diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index 61dfc653..1cff7a49 100644
Binary files a/Doc/RomWBW Applications.pdf and b/Doc/RomWBW Applications.pdf differ
diff --git a/Doc/RomWBW Disk Catalog.pdf b/Doc/RomWBW Disk Catalog.pdf
index 3fa3c12d..b0f1d379 100644
Binary files a/Doc/RomWBW Disk Catalog.pdf and b/Doc/RomWBW Disk Catalog.pdf differ
diff --git a/Doc/RomWBW Hardware.pdf b/Doc/RomWBW Hardware.pdf
index 63cc87a9..16145259 100644
Binary files a/Doc/RomWBW Hardware.pdf and b/Doc/RomWBW Hardware.pdf differ
diff --git a/Doc/RomWBW Introduction.pdf b/Doc/RomWBW Introduction.pdf
index db5e4a30..5de6f10f 100644
Binary files a/Doc/RomWBW Introduction.pdf and b/Doc/RomWBW Introduction.pdf differ
diff --git a/Doc/RomWBW System Guide.pdf b/Doc/RomWBW System Guide.pdf
index 291ee04c..221b4267 100644
Binary files a/Doc/RomWBW System Guide.pdf and b/Doc/RomWBW System Guide.pdf differ
diff --git a/Doc/RomWBW User Guide.pdf b/Doc/RomWBW User Guide.pdf
index 60ad468e..9fa82ac7 100644
Binary files a/Doc/RomWBW User Guide.pdf and b/Doc/RomWBW User Guide.pdf differ
diff --git a/ReadMe.md b/ReadMe.md
index 3e44bdb1..86ab133c 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -7,7 +7,7 @@
 **RomWBW Introduction** \
 Version 3.6 \
 Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
-24 Jan 2026
+30 Jan 2026
 
 # Overview
 
diff --git a/ReadMe.txt b/ReadMe.txt
index 4cc20b89..b14801fb 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -1,6 +1,6 @@
 RomWBW Introduction
 Wayne Warthen (wwarthen@gmail.com)
-24 Jan 2026
+30 Jan 2026
 
 
 
diff --git a/Source/Apps/Tune/tune.asm b/Source/Apps/Tune/tune.asm
index 1c3da63b..0292dda6 100644
--- a/Source/Apps/Tune/tune.asm
+++ b/Source/Apps/Tune/tune.asm
@@ -54,6 +54,8 @@
 ;   2024-09-17 [WBW] Add support for HEATH H8 with Les Bird's MSX Card
 ;   2024-12-12 [WBW] Add options to force standard MSX or RC ports
 ;   2025-05-28 [WBW] Add option to force delay mode
+;   2026-01-24 [WBW] Support RC2014 platform id
+;   2026-01-31 [WBW] Update MUTE funtion to zero all PSG registers
 ;_______________________________________________________________________________
 ;
 ; ToDo:
@@ -667,6 +669,18 @@ CFGSIZ	.EQU	$ - CFGTBL
 ;
 	.DB	22,	$41,	$40,	$40,	$FF,	$FF,	$FF	; NABU
 	.DW	HWSTR_NABU
+;
+	.DB	27,	$D8,	$D0,	$D8,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (EB)
+	.DW	HWSTR_RCEB
+;
+	.DB	27,	$A0,	$A1,	$A2,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (MSX)
+	.DW	HWSTR_RCMSX
+;
+	.DB	27,	$D1,	$D0,	$D0,	$FF,	$FF,	$FF	; RCZ80 W/ RC SOUND MODULE (MF)
+	.DW	HWSTR_RCMF
+;
+	.DB	27,	$33,	$32,	$32,	$FF,	$FF,	$FF	; RCZ80 W/ LINC SOUND MODULE
+	.DW	HWSTR_LINC
 ;
 	.DB	$FF					; END OF TABLE MARKER
 ;
@@ -710,8 +724,8 @@ OCTAVEADJ	.DB	0	; AMOUNT TO ADJUST OCTAVE UP OR DOWN
 
 USEPORTS	.DB	0	; AUDIO CHIP PORT SELECTION MODE
 
-MSGBAN		.DB	"Tune Player for RomWBW v3.13, 28-May-2025",0
-MSGUSE		.DB	"Copyright (C) 2025, Wayne Warthen, GNU GPL v3",13,10
+MSGBAN		.DB	"Tune Player for RomWBW v3.15, 31-Jan-2026",0
+MSGUSE		.DB	"Copyright (C) 2026, Wayne Warthen, GNU GPL v3",13,10
 		.DB	"PTxPlayer Copyright (C) 2004-2007 S.V.Bulba",13,10
 		.DB	"MYMPlay by Marq/Lieves!Tuore",13,10,13,10
 		.DB	"Usage: TUNE <filename>.[PT2|PT3|MYM] [-msx|-rc] [-delay] [--hbios] [+tn|-tn]",0
@@ -891,10 +905,16 @@ MUTE	ISHBIOS
 	JR	NZ,MUTEVIAHBIOS
 
 	XOR A
-	LD H,A
-	LD L,A
-	LD (AYREGS+AmplA),A
-	LD (AYREGS+AmplB),HL
+	LD B,14
+	LD HL,AYREGS
+MUTE1	LD (HL),A
+	INC HL
+	DJNZ MUTE1
+	;XOR A
+	;LD H,A
+	;LD L,A
+	;LD (AYREGS+AmplA),A
+	;LD (AYREGS+AmplB),HL
 	JP ROUT
 
 MUTEVIAHBIOS:
diff --git a/Source/Apps/rtc/rtc.asm b/Source/Apps/rtc/rtc.asm
index f0d95636..d3579986 100644
--- a/Source/Apps/rtc/rtc.asm
+++ b/Source/Apps/rtc/rtc.asm
@@ -35,6 +35,8 @@
 ;
 ;[2024/09/02] v1.10  Support Genesis STD Z180
 ;
+;[2026/01/24] v1.11  Support rc2014
+;
 ; Constants
 ;
 mask_data	.EQU	%10000000	; RTC data line
@@ -54,7 +56,7 @@ PORT_RCZ280	.EQU	$C0		; RTC port for RCZ280
 PORT_MBC	.EQU	$70		; RTC port for MBC
 PORT_RPH	.EQU	$84		; RTC port for RHYOPHYRE
 PORT_DUO	.EQU	$94		; RTC port for DUODYNE
-PORT_STDZ180 .EQU $84         ; RTC Port for STD Bus Z180 board
+PORT_STDZ180	.EQU	$84		; RTC Port for STD Bus Z180 board
 
 
 BDOS		.EQU	5		; BDOS invocation vector
@@ -1151,6 +1153,11 @@ HINIT:
 	CP	21		; STD Z180
 	JP	Z,RTC_INIT2
 ;
+	LD	C,PORT_STDZ180
+	LD	DE,PLT_STDZ180
+	CP	27		; RC2014
+	JP	Z,RTC_INIT2
+;
 
 ; Unknown platform
 	LD	DE,PLTERR	; BIOS error message
@@ -1778,7 +1785,7 @@ PLT_RCZ280	.TEXT	", RCBus Z280 RTC Module Latch Port 0xC0\r\n$"
 PLT_MBC		.TEXT	", MBC RTC Latch Port 0x70\r\n$"
 PLT_RPH		.TEXT	", RHYOPHYRE RTC Latch Port 0x84\r\n$"
 PLT_DUO		.TEXT	", DUODYNE RTC Latch Port 0x70\r\n$"
-PLT_STDZ180 .TEXT ", STD Z180 RTC Module latch port 0x84\r\n$"
+PLT_STDZ180	.TEXT	", STD Z180 RTC Module latch port 0x84\r\n$"
 
 ;
 ; Generic FOR-NEXT loop algorithm
diff --git a/Source/Doc/Hardware.md b/Source/Doc/Hardware.md
index cbe0f9f9..7d6c6883 100644
--- a/Source/Doc/Hardware.md
+++ b/Source/Doc/Hardware.md
@@ -2616,6 +2616,7 @@ Note:
 | KIO       | Zilog Serial/ Parallel Counter/Timer (Z84C90)          |
 | PPP       | ParPortProp Host Interface Controller                  |
 | PRP       | PropIO Host Interface Controller                       |
+| SCTIM     | SC737 50Hz System Timer                                |
 
 # UNA Hardware BIOS
 
diff --git a/Source/HBIOS/Config/EPITX_std.asm b/Source/HBIOS/Config/EPITX_std.asm
index 892aeafa..54b8eb1f 100644
--- a/Source/HBIOS/Config/EPITX_std.asm
+++ b/Source/HBIOS/Config/EPITX_std.asm
@@ -76,6 +76,7 @@ IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/EZZ80_easy_std.asm b/Source/HBIOS/Config/EZZ80_easy_std.asm
index f9f87ca2..3a67a458 100644
--- a/Source/HBIOS/Config/EZZ80_easy_std.asm
+++ b/Source/HBIOS/Config/EZZ80_easy_std.asm
@@ -56,9 +56,6 @@ CPUOSC		.SET	10000000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
-CTCTIMER	.SET	TRUE		; ENABLE CTC PERIODIC TIMER
-CTCMODE		.SET	CTCMODE_CTR	; CTC MODE: CTCMODE_[NONE|CTR|TIM16|TIM256]
-CTCOSC		.SET	921600		; CTC CLOCK FREQUENCY
 WDOGMODE	.SET	WDOG_EZZ80	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
@@ -68,18 +65,16 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
-SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP]
+SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
+SIO0BASE	.SET	$80		; SIO 0: REGISTERS BASE ADR
 SIO0ACLK	.SET	1843200		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCLK	.SET	1843200		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1ACLK	.SET	7372800		; SIO 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1BCLK	.SET	7372800		; SIO 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
diff --git a/Source/HBIOS/Config/EZZ80_tiny_std.asm b/Source/HBIOS/Config/EZZ80_tiny_std.asm
index 8208ad82..573edb12 100644
--- a/Source/HBIOS/Config/EZZ80_tiny_std.asm
+++ b/Source/HBIOS/Config/EZZ80_tiny_std.asm
@@ -57,12 +57,8 @@ INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
 CTCBASE		.SET	$10		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	TRUE		; ENABLE CTC PERIODIC TIMER
-CTCMODE		.SET	CTCMODE_CTR	; CTC MODE: CTCMODE_[NONE|CTR|TIM16|TIM256]
-CTCOSC		.SET	921600		; CTC CLOCK FREQUENCY
 EIPCENABLE	.SET	TRUE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
 WDOGMODE	.SET	WDOG_EZZ80	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
-WDOGIO		.SET	$6F		; WATCHDOG REGISTER ADR
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
@@ -73,7 +69,6 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -84,8 +79,6 @@ SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	$18		; SIO 0: REGISTERS BASE ADR
 SIO0ACLK	.SET	1843200		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCLK	.SET	1843200		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1ACLK	.SET	7372800		; SIO 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1BCLK	.SET	7372800		; SIO 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
diff --git a/Source/HBIOS/Config/GMZ180_std.asm b/Source/HBIOS/Config/GMZ180_std.asm
index 3c33fe8a..5cd13389 100644
--- a/Source/HBIOS/Config/GMZ180_std.asm
+++ b/Source/HBIOS/Config/GMZ180_std.asm
@@ -82,8 +82,6 @@ FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_GM	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
diff --git a/Source/HBIOS/Config/MK4_std.asm b/Source/HBIOS/Config/MK4_std.asm
index 26ecc1a6..b284be78 100644
--- a/Source/HBIOS/Config/MK4_std.asm
+++ b/Source/HBIOS/Config/MK4_std.asm
@@ -83,6 +83,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_MK4	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 PRPENABLE	.SET	TRUE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 ;
diff --git a/Source/HBIOS/Config/N8_std.asm b/Source/HBIOS/Config/N8_std.asm
index b916e3fe..a123b837 100644
--- a/Source/HBIOS/Config/N8_std.asm
+++ b/Source/HBIOS/Config/N8_std.asm
@@ -47,6 +47,8 @@
 ;
 #INCLUDE "cfg_N8.asm"
 ;
+BATCOND		.SET	FALSE		; ENABLE LOW BATTERY WARNING MESSAGE
+;
 BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
 BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
 AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
@@ -72,15 +74,19 @@ INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
 ;
+VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
+CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
+VGAENABLE	.SET	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDCNT		.SET	2		; FD: NUMBER OF FLOPPY DRIVES ON THE INTERFACE (1-2)
 FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
 FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
 ;
+IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_CSIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 ;
diff --git a/Source/HBIOS/Config/RC2014_std.asm b/Source/HBIOS/Config/RC2014_std.asm
index d44683c7..dd99fd00 100644
--- a/Source/HBIOS/Config/RC2014_std.asm
+++ b/Source/HBIOS/Config/RC2014_std.asm
@@ -55,6 +55,7 @@ CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
@@ -63,7 +64,6 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -87,15 +87,11 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
-CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
-CHSCSIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
-CHUFIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
-CHNATIVEFORCE	.SET	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 ;
@@ -105,6 +101,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE	.SET	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	TRUE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCEZ80_std.asm b/Source/HBIOS/Config/RCEZ80_std.asm
index f57a0e68..52173c93 100644
--- a/Source/HBIOS/Config/RCEZ80_std.asm
+++ b/Source/HBIOS/Config/RCEZ80_std.asm
@@ -68,7 +68,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
diff --git a/Source/HBIOS/Config/RCZ180_ext_std.asm b/Source/HBIOS/Config/RCZ180_ext_std.asm
index c5a75c8f..572284da 100644
--- a/Source/HBIOS/Config/RCZ180_ext_std.asm
+++ b/Source/HBIOS/Config/RCZ180_ext_std.asm
@@ -66,20 +66,20 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -104,6 +104,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ180_nat_std.asm b/Source/HBIOS/Config/RCZ180_nat_std.asm
index d6fcbc82..a2b7b30c 100644
--- a/Source/HBIOS/Config/RCZ180_nat_std.asm
+++ b/Source/HBIOS/Config/RCZ180_nat_std.asm
@@ -66,20 +66,20 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -104,7 +104,13 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
diff --git a/Source/HBIOS/Config/RCZ180_z1rcc_std.asm b/Source/HBIOS/Config/RCZ180_z1rcc_std.asm
index c0dfb5da..dafd5a41 100644
--- a/Source/HBIOS/Config/RCZ180_z1rcc_std.asm
+++ b/Source/HBIOS/Config/RCZ180_z1rcc_std.asm
@@ -70,20 +70,20 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
 MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
@@ -111,7 +111,13 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
diff --git a/Source/HBIOS/Config/RCZ280_ext_std.asm b/Source/HBIOS/Config/RCZ280_ext_std.asm
index 686780f7..d58bef05 100644
--- a/Source/HBIOS/Config/RCZ280_ext_std.asm
+++ b/Source/HBIOS/Config/RCZ280_ext_std.asm
@@ -63,18 +63,16 @@ Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
-ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
@@ -106,6 +104,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ280_nat_std.asm b/Source/HBIOS/Config/RCZ280_nat_std.asm
index e7dfa2a0..17395b22 100644
--- a/Source/HBIOS/Config/RCZ280_nat_std.asm
+++ b/Source/HBIOS/Config/RCZ280_nat_std.asm
@@ -63,18 +63,16 @@ Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
@@ -106,6 +104,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ280_zz80mb_std.asm b/Source/HBIOS/Config/RCZ280_zz80mb_std.asm
index cb8cce6d..32c7c61a 100644
--- a/Source/HBIOS/Config/RCZ280_zz80mb_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zz80mb_std.asm
@@ -66,19 +66,17 @@ Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 Z2U0HFC		.SET	TRUE		; Z2U 0: ENABLE HARDWARE FLOW CONTROL
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
@@ -96,7 +94,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
@@ -110,6 +108,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm b/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm
index 00adca77..2ef401a7 100644
--- a/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zzrcc_ram_std.asm
@@ -69,12 +69,11 @@ Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -82,7 +81,6 @@ UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 Z2UOSC		.SET	(CPUOSC / 16)	; Z2U: OSC FREQUENCY IN MHZ
 Z2U0HFC		.SET	TRUE		; Z2U0: ENABLE HARDWARE FLOW CONTROL
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
@@ -103,7 +101,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
@@ -117,6 +115,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ280_zzrcc_std.asm b/Source/HBIOS/Config/RCZ280_zzrcc_std.asm
index e85169d6..48ade3d5 100644
--- a/Source/HBIOS/Config/RCZ280_zzrcc_std.asm
+++ b/Source/HBIOS/Config/RCZ280_zzrcc_std.asm
@@ -69,12 +69,11 @@ Z280_INTWAIT	.SET	0		; Z280: INT ACK WAIT STATUS (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -82,7 +81,6 @@ UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 Z2UENABLE	.SET	TRUE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 Z2UOSC		.SET	(CPUOSC / 16)	; Z2U: OSC FREQUENCY IN MHZ
 Z2U0HFC		.SET	TRUE		; Z2U0: ENABLE HARDWARE FLOW CONTROL
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
@@ -103,7 +101,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
-SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
@@ -117,6 +115,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_coleco_std.asm b/Source/HBIOS/Config/RCZ80_coleco_std.asm
index aedcc967..96220e8c 100644
--- a/Source/HBIOS/Config/RCZ80_coleco_std.asm
+++ b/Source/HBIOS/Config/RCZ80_coleco_std.asm
@@ -67,22 +67,68 @@
 ;
 #INCLUDE "Config/RCZ80_std.asm"
 ;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
 CPUOSC		.SET	3686400		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
+KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
+CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+;
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
+;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
 SIO0BCLK	.SET	7372800		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.SET	TMSMODE_COLECO	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 ;
-PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+;
+IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+;
+PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+;
+SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+;
+LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
+;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
 ;
 SN76489ENABLE	.SET	TRUE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
diff --git a/Source/HBIOS/Config/RCZ80_ez512_std.asm b/Source/HBIOS/Config/RCZ80_ez512_std.asm
index ba786e27..5d22f599 100644
--- a/Source/HBIOS/Config/RCZ80_ez512_std.asm
+++ b/Source/HBIOS/Config/RCZ80_ez512_std.asm
@@ -42,7 +42,7 @@
 ; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
 ; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
-#DEFINE PLATFORM_NAME "EaZy80-512", " [", CONFIG, "]"
+#DEFINE PLATFORM_NAME "EaZy80-512", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
@@ -55,63 +55,46 @@ AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
 CPUOSC		.SET	22000000	; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
+RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+MEMMGR		.SET	MM_EZ512	; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON|EZ512]
+;
 KIOENABLE	.SET	TRUE		; ENABLE ZILOG KIO SUPPORT
 KIOBASE		.SET	$00		; KIO BASE I/O ADDRESS
+;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
 CTCBASE		.SET	KIOBASE+$04	; CTC BASE I/O ADDRESS
 CTCOSC		.SET	1843200		; CTC CLOCK FREQUENCY
 ;
-RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
-ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
-MEMMGR		.SET	MM_EZ512	; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180|Z280|MBC|RPH|MON|EZ512]
-;
-FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-;
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
 SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	KIOBASE+$08	; SIO 0: REGISTERS BASE ADR
 SIO0ACLK	.SET	CTCOSC		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCLK	.SET	CTCOSC		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
-VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
 ;
-IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
-;
-PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_EZ512	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
-CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 ;
-LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
-;
-PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
-IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
-SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
-;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_k80w_std.asm b/Source/HBIOS/Config/RCZ80_k80w_std.asm
index 3432e25a..8801d79f 100644
--- a/Source/HBIOS/Config/RCZ80_k80w_std.asm
+++ b/Source/HBIOS/Config/RCZ80_k80w_std.asm
@@ -42,32 +42,85 @@
 ; ".SET" TO OVERRIDE SETTINGS.  THE ASSEMBLER WILL ERROR IF YOU ATTEMPT
 ; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
+#DEFINE PLATFORM_NAME	"K80W", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
-#INCLUDE "Config/RCZ80_std.asm"
+#INCLUDE "cfg_RCZ80.asm"
 ;
-INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
 ;
 CPUOSC		.SET	22000000	; CPU OSC FREQ IN MHZ
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 KIOENABLE	.SET	TRUE		; ENABLE ZILOG KIO SUPPORT
+;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
 CTCBASE		.SET	KIOBASE+$04	; CTC BASE I/O ADDRESS
 CTCOSC		.SET	1843200		; CTC CLOCK FREQUENCY
 ;
-DSRTCMODE	.SET	DSRTCMODE_K80W	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCMODE	.SET	DSRTCMODE_K80W	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
+INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
+DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
 SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	KIOBASE+$08	; SIO 0: REGISTERS BASE ADR
 SIO0ACLK	.SET	CTCOSC		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCLK	.SET	CTCOSC		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
+TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
+TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+;
+FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+;
+IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+;
+PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_K80W	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+;
+LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
+;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+;
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RC2014	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
+AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
diff --git a/Source/HBIOS/Config/RCZ80_kio_std.asm b/Source/HBIOS/Config/RCZ80_kio_std.asm
index 42809756..b2d2eba3 100644
--- a/Source/HBIOS/Config/RCZ80_kio_std.asm
+++ b/Source/HBIOS/Config/RCZ80_kio_std.asm
@@ -45,19 +45,34 @@
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
-#INCLUDE "Config/RCZ80_std.asm"
+#INCLUDE "cfg_RCZ80.asm"
 ;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
+CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 KIOENABLE	.SET	TRUE		; ENABLE ZILOG KIO SUPPORT
+;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
 CTCBASE		.SET	KIOBASE+$04	; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	TRUE		; ENABLE CTC PERIODIC TIMER
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
-INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
+FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
+LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
+DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
+UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
 SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	KIOBASE+$08	; SIO 0: REGISTERS BASE ADR
@@ -65,3 +80,49 @@ SIO0ACLK	.SET	1843200		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372
 SIO0ACTCC	.SET	0		; SIO 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 SIO0BCLK	.SET	1843200		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCTCC	.SET	1		; SIO 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
+;
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
+TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
+TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
+EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+;
+FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+;
+IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+;
+PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
+;
+SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+;
+CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+;
+PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+;
+LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
+;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
+SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+;
+AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
+AYMODE		.SET	AYMODE_RC2014	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
+AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
diff --git a/Source/HBIOS/Config/RCZ80_skz_std.asm b/Source/HBIOS/Config/RCZ80_skz_std.asm
index a4e1b41d..df1e3577 100644
--- a/Source/HBIOS/Config/RCZ80_skz_std.asm
+++ b/Source/HBIOS/Config/RCZ80_skz_std.asm
@@ -55,6 +55,7 @@ CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 SKZENABLE	.SET	TRUE		; ENABLE SERGEY'S Z80-512K FEATURES
 SKZDIV		.SET	DIV_12		; UART CLK (CLK2) DIVIDER FOR Z80-512K
@@ -69,7 +70,6 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -78,13 +78,15 @@ ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIO0BCLK	.SET	CPUOSC / 12	; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCFG	.SET	SER_38400_8N1	; SIO 0B: SERIAL LINE CONFIG
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -109,6 +111,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_std.asm b/Source/HBIOS/Config/RCZ80_std.asm
index 3404bd30..ab2c4477 100644
--- a/Source/HBIOS/Config/RCZ80_std.asm
+++ b/Source/HBIOS/Config/RCZ80_std.asm
@@ -55,6 +55,7 @@ CPUOSC		.SET	7372800		; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
@@ -63,7 +64,6 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
@@ -78,6 +78,7 @@ TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -93,10 +94,6 @@ SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
-CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
-CHSCSIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
-CHUFIENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
-CHNATIVEFORCE	.SET	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 ;
@@ -106,6 +103,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_zrc512_std.asm b/Source/HBIOS/Config/RCZ80_zrc512_std.asm
index db5bed0a..a23a4afe 100644
--- a/Source/HBIOS/Config/RCZ80_zrc512_std.asm
+++ b/Source/HBIOS/Config/RCZ80_zrc512_std.asm
@@ -43,7 +43,6 @@
 ; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC512", " [", CONFIG, "]"
-;
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
@@ -57,6 +56,7 @@ CPUOSC		.SET	22000000	; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
@@ -69,20 +69,21 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
 ;
@@ -109,6 +110,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_zrc_ram_std.asm b/Source/HBIOS/Config/RCZ80_zrc_ram_std.asm
index a80190fe..912c693e 100644
--- a/Source/HBIOS/Config/RCZ80_zrc_ram_std.asm
+++ b/Source/HBIOS/Config/RCZ80_zrc_ram_std.asm
@@ -43,7 +43,6 @@
 ; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC", " [", CONFIG, "]"
-;
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
@@ -57,6 +56,7 @@ CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	0		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
@@ -69,13 +69,13 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
@@ -83,6 +83,7 @@ TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 MDROM		.SET	FALSE		; MD: ENABLE ROM DISK
 ;
@@ -109,6 +110,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/RCZ80_zrc_std.asm b/Source/HBIOS/Config/RCZ80_zrc_std.asm
index d13669a2..b3fb6286 100644
--- a/Source/HBIOS/Config/RCZ80_zrc_std.asm
+++ b/Source/HBIOS/Config/RCZ80_zrc_std.asm
@@ -43,7 +43,6 @@
 ; TO USE ".EQU" BECAUSE IT WON'T LET YOU REDEFINE A SETTING WITH ".EQU".
 ;
 #DEFINE PLATFORM_NAME "ZRC", " [", CONFIG, "]"
-;
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
 #DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
@@ -57,6 +56,7 @@ CPUOSC		.SET	14745600	; CPU OSC FREQ IN MHZ
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 RAMSIZE		.SET	1536		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
 ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
@@ -69,20 +69,21 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
-RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VRCENABLE	.SET	TRUE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -107,6 +108,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/Config/SCZ180_sc126_std.asm b/Source/HBIOS/Config/SCZ180_sc126_std.asm
index 9d831444..2b629490 100644
--- a/Source/HBIOS/Config/SCZ180_sc126_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc126_std.asm
@@ -72,14 +72,15 @@ INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -91,6 +92,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
@@ -103,7 +105,13 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
diff --git a/Source/HBIOS/Config/SCZ180_sc130_std.asm b/Source/HBIOS/Config/SCZ180_sc130_std.asm
index ae6d8e74..b8d3dfe8 100644
--- a/Source/HBIOS/Config/SCZ180_sc130_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc130_std.asm
@@ -72,14 +72,15 @@ INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
@@ -91,6 +92,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
 CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
@@ -103,8 +105,14 @@ PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
 IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
 SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
 ;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
-AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
+AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU|N8PC]
 AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
diff --git a/Source/HBIOS/Config/SCZ180_sc131_std.asm b/Source/HBIOS/Config/SCZ180_sc131_std.asm
index 6089cac5..7bff9457 100644
--- a/Source/HBIOS/Config/SCZ180_sc131_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc131_std.asm
@@ -67,17 +67,8 @@ LEDMODE		.SET	LEDMODE_SC	; LEDMODE_[STD|SC|RTC|NABU]
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
-DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
-DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
-UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
-IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
-PPIDEENABLE	.SET	FALSE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
diff --git a/Source/HBIOS/Config/SCZ180_sc140_std.asm b/Source/HBIOS/Config/SCZ180_sc140_std.asm
index feb5193d..84d61e1b 100644
--- a/Source/HBIOS/Config/SCZ180_sc140_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc140_std.asm
@@ -49,6 +49,10 @@
 ;
 #INCLUDE "cfg_SCZ180.asm"
 ;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;
 Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
@@ -59,33 +63,16 @@ FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPLED_IO	.SET	$A0		; FP: PORT ADDRESS FOR FP LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
 FPSW_IO		.SET	$A0		; FP: PORT ADDRESS FOR FP SWITCHES
-;
 LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;
-LCDENABLE	.SET	FALSE		; DISABLE LCD DISPLAY
-;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
-FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
-;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 IDE0BASE	.SET	$90		; IDE 0: IO BASE ADDRESS
 ;
-PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT SC ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
-;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
-AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
-AYMODE		.SET	AYMODE_LINC	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU|N8PC]
-AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
diff --git a/Source/HBIOS/Config/SCZ180_sc503_std.asm b/Source/HBIOS/Config/SCZ180_sc503_std.asm
index 96b3dd80..e94716c0 100644
--- a/Source/HBIOS/Config/SCZ180_sc503_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc503_std.asm
@@ -49,6 +49,10 @@
 ;
 #INCLUDE "cfg_SCZ180.asm"
 ;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;
 Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
@@ -59,34 +63,16 @@ FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPLED_IO	.SET	$A0		; FP: PORT ADDRESS FOR FP LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
 FPSW_IO		.SET	$A0		; FP: PORT ADDRESS FOR FP SWITCHES
-;
-LEDENABLE	.SET	TRUE		; ENABLES STATUS LED (SINGLE LED)
-;
-LCDENABLE	.SET	FALSE		; DISABLE LCD DISPLAY
+LEDENABLE	.SET	TRUE		; ENABLE STATUS LED (SINGLE LED)
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
-FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
-;
-;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 IDE0BASE	.SET	$90		; IDE 0: IO BASE ADDRESS
 ;
-PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-;
-PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
-;
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
-AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
-AYMODE		.SET	AYMODE_LINC	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU]
-AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
diff --git a/Source/HBIOS/Config/SCZ180_sc700_std.asm b/Source/HBIOS/Config/SCZ180_sc700_std.asm
index deff9d47..0d384d66 100644
--- a/Source/HBIOS/Config/SCZ180_sc700_std.asm
+++ b/Source/HBIOS/Config/SCZ180_sc700_std.asm
@@ -49,6 +49,10 @@
 ;
 #INCLUDE "cfg_SCZ180.asm"
 ;
+BOOT_TIMEOUT	.SET	-1		; AUTO BOOT TIMEOUT IN SECONDS, -1 TO DISABLE, 0 FOR IMMEDIATE
+BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
+AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
+;
 CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
 ;
 Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
@@ -56,37 +60,58 @@ Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
 Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
 ;
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 LEDENABLE	.SET	TRUE		; ENABLES STATUS LED (SINGLE LED)
-VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
+VDAEMU_SERKBD	.SET	$FF		; VDA EMULATION: SERIAL KBD UNIT #, OR $FF FOR HW KBD
 ;
 DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 INTRTCENABLE	.SET	TRUE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
+DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
-ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
 ;
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|N8PC]
+TMSMODE		.SET	TMSMODE_MSX	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|MSXUKY]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
-TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
+VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
+XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
+FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
+FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 ;
+CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
-SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
+;
+LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
+;
+PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
+IMMENABLE	.SET	FALSE		; IMM: ENABLE IOMEGA ZIP PLUS DRIVE (IMM) DISK DRIVER (IMM.ASM)
+SYQENABLE	.SET	FALSE		; SYQ: ENABLE SYQUEST SPARQ DISK DRIVER (SYQ.ASM)
+;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 AYMODE		.SET	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC|MBC|DUO|NABU|N8PC]
 AY_FORCE	.SET	FALSE		; AY: BYPASS AUTO-DETECT, FORCED PRESENT
diff --git a/Source/HBIOS/Config/ZETA2_std.asm b/Source/HBIOS/Config/ZETA2_std.asm
index 8d4c5468..b9df004e 100644
--- a/Source/HBIOS/Config/ZETA2_std.asm
+++ b/Source/HBIOS/Config/ZETA2_std.asm
@@ -52,9 +52,12 @@ BOOT_PRETTY	.SET	FALSE		; BOOT WITH PRETTY PLATFORM NAME
 AUTOCON		.SET	TRUE		; ENABLE CONSOLE TAKEOVER AT LOADER PROMPT
 ;
 CPUOSC		.SET	8000000		; CPU OSC FREQ IN MHZ
-INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2
+INTMODE		.SET	2		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
+;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_ZETA2	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
diff --git a/Source/HBIOS/Config/ZETA_std.asm b/Source/HBIOS/Config/ZETA_std.asm
index 885d02b1..afd63357 100644
--- a/Source/HBIOS/Config/ZETA_std.asm
+++ b/Source/HBIOS/Config/ZETA_std.asm
@@ -56,6 +56,8 @@ INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
+DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_ZETA	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 FD0TYPE		.SET	FDT_3HD		; FD 0: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
diff --git a/Source/HBIOS/cfg_DUO.asm b/Source/HBIOS/cfg_DUO.asm
index ebf7acf5..99c9a6f0 100644
--- a/Source/HBIOS/cfg_DUO.asm
+++ b/Source/HBIOS/cfg_DUO.asm
@@ -97,6 +97,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	(7372800/8)	; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 PCFBASE		.SET	$56		; PCF8584 BASE I/O ADDRESS
 PCFCLK		.SET	PCFCLK_12	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
@@ -389,6 +391,8 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_DYNO.asm b/Source/HBIOS/cfg_DYNO.asm
index c5964ed8..a331d983 100644
--- a/Source/HBIOS/cfg_DYNO.asm
+++ b/Source/HBIOS/cfg_DYNO.asm
@@ -99,6 +99,8 @@ CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -330,12 +332,6 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_PPI	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
-SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
-SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
 CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 ;
@@ -370,6 +366,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_EPITX.asm b/Source/HBIOS/cfg_EPITX.asm
index 82137238..feb67ef3 100644
--- a/Source/HBIOS/cfg_EPITX.asm
+++ b/Source/HBIOS/cfg_EPITX.asm
@@ -94,6 +94,8 @@ CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -269,6 +271,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -396,6 +400,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_EZZ80.asm b/Source/HBIOS/cfg_EZZ80.asm
index e4f4a297..904f8486 100644
--- a/Source/HBIOS/cfg_EZZ80.asm
+++ b/Source/HBIOS/cfg_EZZ80.asm
@@ -90,12 +90,15 @@ KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
 CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
-CTCMODE		.SET	CTCMODE_TIM16	; CTC MODE: CTCMODE_[NONE|CTR|TIM16|TIM256]
+CTCTIMER	.SET	TRUE		; ENABLE CTC PERIODIC TIMER
+CTCMODE		.SET	CTCMODE_CTR	; CTC MODE: CTCMODE_[NONE|CTR|TIM16|TIM256]
 CTCPRE		.SET	256		; PRESCALE CONSTANT (1-256)
 CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
-CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
+CTCOSC		.SET	921600		; CTC CLOCK FREQUENCY
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+SCTIMIO		.SET	$0F		; SC737: PORT ADDRESS
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -104,7 +107,7 @@ EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
 SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 SKZDIV		.SET	DIV_1		; UART CLK (CLK2) DIVIDER FOR Z80-512K
 ;
-WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
+WDOGMODE	.SET	WDOG_EZZ80	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 WDOGIO		.SET	$6F		; WATCHDOG REGISTER ADR
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
@@ -119,7 +122,7 @@ DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
 LEDMODE		.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	$0E		; STATUS LED PORT ADDRESS
+LEDPORT		.SET	$6E		; STATUS LED PORT ADDRESS
 LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
@@ -147,7 +150,7 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
@@ -242,14 +245,14 @@ ACIA1CFG	.SET	DEFSERCFG	; ACIA 1: SERIAL LINE CONFIG  (SEE STD.ASM)
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIODEBUG	.SET	FALSE		; SIO: ENABLE DEBUG OUTPUT
 SIOBOOT		.SET	0		; SIO: REBOOT ON RCV CHAR (0=DISABLED)
-SIOCNT		.SET	2		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+SIOCNT		.SET	1		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
 SIOINTS		.SET	TRUE		; SIO: INCLUDE SIO INTERRUPT SUPPORT UNDER IM1/2/3
-SIO0MODE	.SET	SIOMODE_RC	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
+SIO0MODE	.SET	SIOMODE_STD	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	$80		; SIO 0: REGISTERS BASE ADR
-SIO0ACLK	.SET	CPUOSC		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0ACLK	.SET	1843200		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0ACFG	.SET	DEFSERCFG	; SIO 0A: SERIAL LINE CONFIG
 SIO0ACTCC	.SET	-1		; SIO 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
-SIO0BCLK	.SET	CPUOSC		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SIO0BCLK	.SET	1843200		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
 SIO0BCFG	.SET	DEFSERCFG	; SIO 0B: SERIAL LINE CONFIG
 SIO0BCTCC	.SET	-1		; SIO 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 SIO1MODE	.SET	SIOMODE_RC	; SIO 1: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
@@ -262,6 +265,27 @@ SIO1BCFG	.SET	DEFSERCFG	; SIO 1B: SERIAL LINE CONFIG
 SIO1BCTCC	.SET	-1		; SIO 1B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 ;
 SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
+SCCDEBUG	.SET	FALSE		; SCC: ENABLE DEBUG OUTPUT
+SCCBOOT		.SET	0		; SCC: REBOOT ON RCV CHAR (0=DISABLED)
+SCCCNT		.SET	1		; SCC: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+SCCINTS		.SET	TRUE		; SCC: INCLUDE SCC INTERRUPT SUPPORT UNDER IM1/2/3
+SCCPCLK		.SET	TRUE		; SCC: USE PROCESSOR CLOCK AS BAUD CLOCK
+SCC0MODE	.SET	SCCMODE_SZ80	; SCC 0: CHIP TYPE: SCCMODE_[STD|SZ80]
+SCC0BASE	.SET	$A0		; SCC 0: REGISTERS BASE ADR
+SCC0ACLK	.SET	CPUOSC		; SCC 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC0ACFG	.SET	DEFSERCFG	; SCC 0A: SERIAL LINE CONFIG
+SCC0ACTCC	.SET	-1		; SCC 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC0BCLK	.SET	CPUOSC		; SCC 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC0BCFG	.SET	DEFSERCFG	; SCC 0B: SERIAL LINE CONFIG
+SCC0BCTCC	.SET	-1		; SCC 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC1MODE	.SET	SCCMODE_SZ80	; SCC 1: CHIP TYPE: SIOMODE_[STD|SZ80]
+SCC1BASE	.SET	$FF		; SCC 1: REGISTERS BASE ADR
+SCC1ACLK	.SET	CPUOSC		; SCC 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC1ACFG	.SET	DEFSERCFG	; SCC 1A: SERIAL LINE CONFIG
+SCC1ACTCC	.SET	-1		; SCC 1A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC1BCLK	.SET	CPUOSC		; SCC 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC1BCFG	.SET	DEFSERCFG	; SCC 1B: SERIAL LINE CONFIG
+SCC1BCTCC	.SET	-1		; SCC 1B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 ;
 XIOCFG		.SET	DEFSERCFG	; XIO: SERIAL LINE CONFIG
 ;
@@ -278,6 +302,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -337,7 +363,7 @@ PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
@@ -355,6 +381,9 @@ CH1USBENABLE	.SET	TRUE		; CH 1: ENABLE USB DISK
 CH1SDENABLE	.SET	FALSE		; CH 1: ENABLE SD DISK
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
 ;
 PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
 ;
@@ -405,6 +434,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_GMZ180.asm b/Source/HBIOS/cfg_GMZ180.asm
index ec279244..dc1a802f 100644
--- a/Source/HBIOS/cfg_GMZ180.asm
+++ b/Source/HBIOS/cfg_GMZ180.asm
@@ -93,6 +93,8 @@ CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -395,6 +397,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_HEATH.asm b/Source/HBIOS/cfg_HEATH.asm
index 91fde7da..cbec333f 100644
--- a/Source/HBIOS/cfg_HEATH.asm
+++ b/Source/HBIOS/cfg_HEATH.asm
@@ -97,6 +97,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -335,12 +337,6 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_MT	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
-SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
-SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
 CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 ;
@@ -395,6 +391,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_MASTER.asm b/Source/HBIOS/cfg_MASTER.asm
index 57043819..cee14cb0 100644
--- a/Source/HBIOS/cfg_MASTER.asm
+++ b/Source/HBIOS/cfg_MASTER.asm
@@ -130,6 +130,9 @@ CTCPRECH	.EQU	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.EQU	3		; TIMER CHANNEL (0-3)
 CTCOSC		.EQU	614400		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.EQU	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+SCTIMIO		.EQU	$0F		; SC737: PORT ADDRESS
+;
 PCFENABLE	.EQU	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 PCFBASE		.EQU	$F0		; PCF8584 BASE I/O ADDRESS
 PCFCLK		.EQU	PCFCLK_12	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
@@ -360,7 +363,7 @@ SCONENABLE	.EQU	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.EQU	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.EQU	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.EQU	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
-XOS_BASE	.EQU	$20		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOS_BASE	.EQU	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
 XOSSIZ		.EQU	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
@@ -520,6 +523,15 @@ PIOSBASE	.EQU	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.EQU	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE		.EQU	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.EQU	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.EQU	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.EQU	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.EQU	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.EQU	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.EQU	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.EQU	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.EQU	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.EQU	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
@@ -572,13 +584,3 @@ EZ80_WSMD_TYP	.EQU	EZ80WSMD_CALC	; BUS WAIT STATE CONFIG: EZ80WSMD_[CALC|CYCLES]
 EZ80_FLSH_WS		.EQU	1		; WAIT STATES FOR ON CHIP FLASH (0-7)
 EZ80_FLSH_MIN_NS	.EQU	60		; MINIMUM WAIT STATES TO APPLY TO ON-CHIP FLASH, IF EZ80_WSMD_TYP = EZ80WSMD_CALC
 EZ80_FWSMD_TYP		.EQU	EZ80WSMD_CALC	; WAIT STATE TYPE: EZ80RMMD_[CALC|WAIT] (CYCLES NOT ALLOWED)
-
-CHNATIVEENABLE	.EQU	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
-CHSCSIENABLE	.EQU	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
-CHUFIENABLE	.EQU	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
-CHNATIVEFORCE	.EQU	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
-CHNATIVEEZ80	.EQU	FALSE		; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
-
-_CH376_DATA_PORT	.EQU	$FF88	; CH376: DATA PORT
-_CH376_COMMAND_PORT	.EQU	$FF89	; CH376: COMMAND PORT
-_USB_MODULE_LEDS	.EQU	$FF8A	; CH376: LED CONTROL PORT
diff --git a/Source/HBIOS/cfg_MBC.asm b/Source/HBIOS/cfg_MBC.asm
index 303f71db..9ec39a1a 100644
--- a/Source/HBIOS/cfg_MBC.asm
+++ b/Source/HBIOS/cfg_MBC.asm
@@ -94,6 +94,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	(4915200/8)	; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -378,6 +380,8 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_MK4.asm b/Source/HBIOS/cfg_MK4.asm
index 0e6ab5de..69993471 100644
--- a/Source/HBIOS/cfg_MK4.asm
+++ b/Source/HBIOS/cfg_MK4.asm
@@ -45,7 +45,7 @@
 #DEFINE PLATFORM_NAME	"Mark IV", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD FOR EMPTY CMD LINE
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
-#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS		; DEFAULT SERIAL CONFIGURATION
+#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
 #INCLUDE "cfg_MASTER.asm"
 ;
@@ -92,12 +92,10 @@ MK4_RTC		.SET	$8A		; MK4: RTC LATCH REGISTER ADR
 RTCIO		.SET	MK4_RTC		; RTC LATCH REGISTER ADR
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
-KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
-CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
-CTCBASE		.SET	$B0		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -108,19 +106,10 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
-FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
-FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
-FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
 ;
 DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
-LEDMODE		.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	$0E		; STATUS LED PORT ADDRESS
-LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
 DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
@@ -131,7 +120,6 @@ PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
 LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
-LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
 BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
@@ -147,15 +135,13 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
 DS1501RTCENABLE	.SET	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
-DS1501RTC_BASE	.SET	$50		; DS1501RTC: I/O BASE ADDRESS
 ;
 BQRTCENABLE	.SET	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
-BQRTC_BASE	.SET	$50		; BQRTC: I/O BASE ADDRESS
 ;
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
@@ -193,7 +179,7 @@ TSERCFG		.SET	SER_9600_8N1	; TSER: SERIAL LINE CONFIG
 ;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 UARTCNT		.SET	6		; UART: NUMBER OF CHIPS TO DETECT (1-8)
 UARTOSC		.SET	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
@@ -216,7 +202,7 @@ UART6CFG	.SET	DEFSERCFG	; UART 6: SERIAL LINE CONFIG
 UART7BASE	.SET	$FF		; UART 7: REGISTERS BASE ADR
 UART7CFG	.SET	DEFSERCFG	; UART 7: SERIAL LINE CONFIG
 ;
-ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ASCIENABLE	.SET	FALSE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
 ASCIINTS	.SET	TRUE		; ASCI: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 ASCISWAP	.SET	FALSE		; ASCI: SWAP CHANNELS
 ASCIBOOT	.SET	0		; ASCI: REBOOT ON RCV CHAR (0=DISABLED)
@@ -280,7 +266,7 @@ FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
 RFENABLE	.SET	FALSE		; RF: ENABLE RAM FLOPPY DRIVER
 RFCNT		.SET	1		; RF: NUMBER OF RAM FLOPPY UNITS (1-4)
 ;
-IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 IDEDETECTMEDIA	.SET	FALSE		; IDE: PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER
 IDETRACE	.SET	1		; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 IDECNT		.SET	1		; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH
@@ -319,7 +305,7 @@ PPIDE2BASE	.SET	$00		; PPIDE 2: PPI REGISTERS BASE ADR
 PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
-SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_MK4	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
@@ -371,6 +357,8 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_MON.asm b/Source/HBIOS/cfg_MON.asm
index 5e8d59b4..321eed83 100644
--- a/Source/HBIOS/cfg_MON.asm
+++ b/Source/HBIOS/cfg_MON.asm
@@ -94,6 +94,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -332,12 +334,6 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_MT	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
-SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
-SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
 CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
@@ -402,6 +398,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_MSX.asm b/Source/HBIOS/cfg_MSX.asm
index 41177da9..51bf3147 100644
--- a/Source/HBIOS/cfg_MSX.asm
+++ b/Source/HBIOS/cfg_MSX.asm
@@ -97,10 +97,9 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
-PCFBASE		.SET	$F0		; PCF8584 BASE I/O ADDRESS
-PCFCLK		.SET	PCFCLK_8	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
-PCFTRNS		.SET	PCFTRNS_90	; PCF TRANSFER SPEED: PCFTRNS_[90|45|11|15]
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
 ;
@@ -338,12 +337,6 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|FZ80|GM|EZ512|K80W]
-SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
-SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
 CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
@@ -408,6 +401,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_N8.asm b/Source/HBIOS/cfg_N8.asm
index 3efa636c..26157ba2 100644
--- a/Source/HBIOS/cfg_N8.asm
+++ b/Source/HBIOS/cfg_N8.asm
@@ -45,7 +45,7 @@
 #DEFINE PLATFORM_NAME	"RetroBrew N8", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD FOR EMPTY CMD LINE
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
-#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS		; DEFAULT SERIAL CONFIGURATION
+#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
 #INCLUDE "cfg_MASTER.asm"
 ;
@@ -94,12 +94,10 @@ N8_DEFACR	.SET	$1B		; N8: AUX CTL REGISTER DEFAULT VALUE (QUIESCIENT STATE)
 RTCIO		.SET	N8_RTC		; RTC LATCH REGISTER ADR
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
-KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
-CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
-CTCBASE		.SET	$B0		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -110,19 +108,10 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
-FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
-FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
-FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
 ;
 DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
-LEDMODE		.SET	LEDMODE_RTC	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	RTCIO		; STATUS LED PORT ADDRESS
-LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
 DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
@@ -133,7 +122,6 @@ PKDPPIBASE	.SET	N8_PPI0		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
 LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
-LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
 BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
@@ -218,7 +206,7 @@ UART6CFG	.SET	DEFSERCFG	; UART 6: SERIAL LINE CONFIG
 UART7BASE	.SET	$FF		; UART 7: REGISTERS BASE ADR
 UART7CFG	.SET	DEFSERCFG	; UART 7: SERIAL LINE CONFIG
 ;
-ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ASCIENABLE	.SET	FALSE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
 ASCIINTS	.SET	TRUE		; ASCI: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 ASCISWAP	.SET	FALSE		; ASCI: SWAP CHANNELS
 ASCIBOOT	.SET	0		; ASCI: REBOOT ON RCV CHAR (0=DISABLED)
@@ -253,7 +241,7 @@ CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 CVDUMODE	.SET	CVDUMODE_ECB	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
 CVDUMON		.SET	CVDUMON_EGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 GDCENABLE	.SET	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
-TMSENABLE	.SET	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.SET	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|N8PC]
 TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
@@ -271,7 +259,7 @@ MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
 MDTRACE		.SET	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
 ;
-FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_N8	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 FDCNT		.SET	2		; FD: NUMBER OF FLOPPY DRIVES ON THE INTERFACE (1-2)
 FDTRACE		.SET	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
@@ -321,7 +309,7 @@ PPIDE2BASE	.SET	$00		; PPIDE 2: PPI REGISTERS BASE ADR
 PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
-SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_CSIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	N8_PPI0		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
@@ -373,6 +361,8 @@ PIOSBASE	.SET	N8_PPI0		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_N8PC.asm b/Source/HBIOS/cfg_N8PC.asm
index 416443bf..e2ce29c8 100644
--- a/Source/HBIOS/cfg_N8PC.asm
+++ b/Source/HBIOS/cfg_N8PC.asm
@@ -99,6 +99,8 @@ CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$B0		; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -372,6 +374,8 @@ PIOSBASE	.SET	N8_PPI0		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_NABU.asm b/Source/HBIOS/cfg_NABU.asm
index ccdebb0d..94a7e30d 100644
--- a/Source/HBIOS/cfg_NABU.asm
+++ b/Source/HBIOS/cfg_NABU.asm
@@ -97,6 +97,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -335,12 +337,6 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_MT	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
-SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
-SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
-SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
 CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
@@ -405,6 +401,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_RC2014.asm b/Source/HBIOS/cfg_RC2014.asm
index ed5348ef..c5dbfed1 100644
--- a/Source/HBIOS/cfg_RC2014.asm
+++ b/Source/HBIOS/cfg_RC2014.asm
@@ -97,10 +97,10 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+SCTIMIO		.SET	$0F		; SC737: PORT ADDRESS
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
-PCFBASE		.SET	$F0		; PCF8584 BASE I/O ADDRESS
-PCFCLK		.SET	PCFCLK_8	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
-PCFTRNS		.SET	PCFTRNS_90	; PCF TRANSFER SPEED: PCFTRNS_[90|45|11|15]
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
 ;
@@ -340,7 +340,7 @@ PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
@@ -358,6 +358,9 @@ CH1USBENABLE	.SET	TRUE		; CH 1: ENABLE USB DISK
 CH1SDENABLE	.SET	FALSE		; CH 1: ENABLE SD DISK
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
 ;
 PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
 ;
@@ -408,6 +411,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_RCEZ80.asm b/Source/HBIOS/cfg_RCEZ80.asm
index e167e179..1a01a265 100644
--- a/Source/HBIOS/cfg_RCEZ80.asm
+++ b/Source/HBIOS/cfg_RCEZ80.asm
@@ -95,6 +95,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -276,6 +278,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -333,9 +337,9 @@ PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
-SDMODE		.SET	SDMODE_MT	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
+SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
@@ -406,6 +410,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	TRUE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
@@ -454,13 +467,3 @@ EZ80_WSMD_TYP		.SET	EZ80WSMD_CALC	; BUS WAIT STATE CONFIG: EZ80WSMD_[CALC|CYCLES
 EZ80_FLSH_WS		.SET	1		; WAIT STATES FOR ON CHIP FLASH (0-7)
 EZ80_FLSH_MIN_NS	.SET	60		; MINIMUM WAIT STATES TO APPLY TO ON-CHIP FLASH, IF EZ80_WSMD_TYP = EZ80WSMD_CALC
 EZ80_FWSMD_TYP		.SET	EZ80WSMD_CALC	; WAIT STATE TYPE: EZ80RMMD_[CALC|WAIT] (CYCLES NOT ALLOWED)
-;
-CHNATIVEENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
-CHSCSIENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
-CHUFIENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
-CHNATIVEFORCE		.SET	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
-CHNATIVEEZ80		.SET	TRUE		; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
-;
-_CH376_DATA_PORT	.SET	$FF88		; CH376: DATA PORT
-_CH376_COMMAND_PORT	.SET	$FF89		; CH376: COMMAND PORT
-_USB_MODULE_LEDS	.SET	$FF8A		; CH376: LED CONTROL PORT
diff --git a/Source/HBIOS/cfg_RCZ180.asm b/Source/HBIOS/cfg_RCZ180.asm
index a80da548..5e602273 100644
--- a/Source/HBIOS/cfg_RCZ180.asm
+++ b/Source/HBIOS/cfg_RCZ180.asm
@@ -95,9 +95,8 @@ KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
-CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
-CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -200,7 +199,7 @@ DUART1BASE	.SET	$40		; DUART 1: BASE ADDRESS OF CHIP
 DUART1ACFG	.SET	DEFSERCFG	; DUART 1A: SERIAL LINE CONFIG
 DUART1BCFG	.SET	DEFSERCFG	; DUART 1B: SERIAL LINE CONFIG
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 UARTCNT		.SET	4		; UART: NUMBER OF CHIPS TO DETECT (1-8)
 UARTOSC		.SET	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
@@ -294,6 +293,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -321,14 +322,14 @@ IDE0DATLO	.SET	$00		; IDE 0: DATA LO PORT FOR 16-BIT I/O
 IDE0DATHI	.SET	$00		; IDE 0: DATA HI PORT FOR 16-BIT I/O
 IDE0A8BIT	.SET	TRUE		; IDE 0A (MASTER): 8 BIT XFER
 IDE0B8BIT	.SET	TRUE		; IDE 0B (MASTER): 8 BIT XFER
-IDE1MODE	.SET	IDEMODE_NONE	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE1BASE	.SET	$00		; IDE 1: IO BASE ADDRESS
+IDE1MODE	.SET	IDEMODE_RC	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE1BASE	.SET	$18		; IDE 1: IO BASE ADDRESS
 IDE1DATLO	.SET	$00		; IDE 1: DATA LO PORT FOR 16-BIT I/O
 IDE1DATHI	.SET	$00		; IDE 1: DATA HI PORT FOR 16-BIT I/O
 IDE1A8BIT	.SET	TRUE		; IDE 1A (MASTER): 8 BIT XFER
 IDE1B8BIT	.SET	TRUE		; IDE 1B (MASTER): 8 BIT XFER
-IDE2MODE	.SET	IDEMODE_NONE	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE2BASE	.SET	$00		; IDE 2: IO BASE ADDRESS
+IDE2MODE	.SET	IDEMODE_RC	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE2BASE	.SET	$20		; IDE 2: IO BASE ADDRESS
 IDE2DATLO	.SET	$00		; IDE 2: DATA LO PORT FOR 16-BIT I/O
 IDE2DATHI	.SET	$00		; IDE 2: DATA HI PORT FOR 16-BIT I/O
 IDE2A8BIT	.SET	TRUE		; IDE 2A (MASTER): 8 BIT XFER
@@ -353,7 +354,7 @@ PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
@@ -390,7 +391,7 @@ LPTENABLE	.SET	FALSE		; LPT: ENABLE CENTRONICS PRINTER DRIVER (LPT.ASM)
 LPTMODE		.SET	LPTMODE_MG014	; LPT: DRIVER MODE: LPTMODE_[NONE|SPP|MG014|T35]
 LPTCNT		.SET	1		; LPT: NUMBER OF CHIPS TO DETECT (1-2)
 LPTTRACE	.SET	1		; LPT: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
-LPT0BASE	.SET	$0C		; LPT 0: REGISTERS BASE ADR
+LPT0BASE	.SET	$18		; LPT 0: REGISTERS BASE ADR
 LPT1BASE	.SET	$00		; LPT 1: REGISTERS BASE ADR
 ;
 PPAENABLE	.SET	FALSE		; PPA: ENABLE IOMEGA ZIP DRIVE (PPA) DISK DRIVER (PPA.ASM)
@@ -424,6 +425,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_RCZ280.asm b/Source/HBIOS/cfg_RCZ280.asm
index 34e65ccc..855d3726 100644
--- a/Source/HBIOS/cfg_RCZ280.asm
+++ b/Source/HBIOS/cfg_RCZ280.asm
@@ -92,12 +92,10 @@ Z280_TIMER	.SET	TRUE		; Z280: ENABLE INTERNAL Z280 SYSTEM PERIODIC TIMER
 RTCIO		.SET	$C0		; RTC LATCH REGISTER ADR
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
-KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
-CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
-CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -107,7 +105,7 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 ;
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
 FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
 FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
 FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
@@ -130,7 +128,7 @@ PKDENABLE	.SET	FALSE		; ENABLES DSKY NG PKD DRIVER (8259)
 PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
@@ -147,7 +145,7 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
@@ -200,7 +198,7 @@ DUART1BASE	.SET	$40		; DUART 1: BASE ADDRESS OF CHIP
 DUART1ACFG	.SET	DEFSERCFG	; DUART 1A: SERIAL LINE CONFIG
 DUART1BCFG	.SET	DEFSERCFG	; DUART 1B: SERIAL LINE CONFIG
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 UARTCNT		.SET	4		; UART: NUMBER OF CHIPS TO DETECT (1-8)
 UARTOSC		.SET	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
@@ -232,19 +230,9 @@ Z2U0BASE	.SET	$10		; Z2U 0: BASE I/O ADDRESS
 Z2U0CFG		.SET	DEFSERCFG	; Z2U 0: SERIAL LINE CONFIG
 Z2U0HFC		.SET	FALSE		; Z2U 0: ENABLE HARDWARE FLOW CONTROL
 ;
-ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
-ACIADEBUG	.SET	FALSE		; ACIA: ENABLE DEBUG OUTPUT
-ACIACNT		.SET	1		; ACIA: NUMBER OF CHIPS TO DETECT (1-2)
-ACIA0BASE	.SET	$80		; ACIA 0: REGISTERS BASE ADR
-ACIA0CLK	.SET	7372800		; ACIA 0: OSC FREQ IN HZ
-ACIA0DIV	.SET	1		; ACIA 0: SERIAL CLOCK DIVIDER
-ACIA0CFG	.SET	DEFSERCFG	; ACIA 0: SERIAL LINE CONFIG  (SEE STD.ASM)
-ACIA1BASE	.SET	$40		; ACIA 1: REGISTERS BASE ADR
-ACIA1CLK	.SET	7372800		; ACIA 1: OSC FREQ IN HZ
-ACIA1DIV	.SET	1		; ACIA 1: SERIAL CLOCK DIVIDER
-ACIA1CFG	.SET	DEFSERCFG	; ACIA 1: SERIAL LINE CONFIG  (SEE STD.ASM)
-;
-SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
+;
+SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIODEBUG	.SET	FALSE		; SIO: ENABLE DEBUG OUTPUT
 SIOBOOT		.SET	0		; SIO: REBOOT ON RCV CHAR (0=DISABLED)
 SIOCNT		.SET	2		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
@@ -304,6 +292,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -331,14 +321,14 @@ IDE0DATLO	.SET	$00		; IDE 0: DATA LO PORT FOR 16-BIT I/O
 IDE0DATHI	.SET	$00		; IDE 0: DATA HI PORT FOR 16-BIT I/O
 IDE0A8BIT	.SET	TRUE		; IDE 0A (MASTER): 8 BIT XFER
 IDE0B8BIT	.SET	TRUE		; IDE 0B (MASTER): 8 BIT XFER
-IDE1MODE	.SET	IDEMODE_NONE	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE1BASE	.SET	$00		; IDE 1: IO BASE ADDRESS
+IDE1MODE	.SET	IDEMODE_RC	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE1BASE	.SET	$18		; IDE 1: IO BASE ADDRESS
 IDE1DATLO	.SET	$00		; IDE 1: DATA LO PORT FOR 16-BIT I/O
 IDE1DATHI	.SET	$00		; IDE 1: DATA HI PORT FOR 16-BIT I/O
 IDE1A8BIT	.SET	TRUE		; IDE 1A (MASTER): 8 BIT XFER
 IDE1B8BIT	.SET	TRUE		; IDE 1B (MASTER): 8 BIT XFER
-IDE2MODE	.SET	IDEMODE_NONE	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE2BASE	.SET	$00		; IDE 2: IO BASE ADDRESS
+IDE2MODE	.SET	IDEMODE_RC	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE2BASE	.SET	$20		; IDE 2: IO BASE ADDRESS
 IDE2DATLO	.SET	$00		; IDE 2: DATA LO PORT FOR 16-BIT I/O
 IDE2DATHI	.SET	$00		; IDE 2: DATA HI PORT FOR 16-BIT I/O
 IDE2A8BIT	.SET	TRUE		; IDE 2A (MASTER): 8 BIT XFER
@@ -363,12 +353,12 @@ PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
-CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 CHUSBTRACE	.SET	1		; CHUSB: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 CHSDTRACE	.SET	1		; CHSD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
@@ -434,6 +424,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_RCZ80.asm b/Source/HBIOS/cfg_RCZ80.asm
index b4d468eb..bcdb816d 100644
--- a/Source/HBIOS/cfg_RCZ80.asm
+++ b/Source/HBIOS/cfg_RCZ80.asm
@@ -97,10 +97,10 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	CPUOSC		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+SCTIMIO		.SET	$0F		; SC737: PORT ADDRESS
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
-PCFBASE		.SET	$F0		; PCF8584 BASE I/O ADDRESS
-PCFCLK		.SET	PCFCLK_8	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
-PCFTRNS		.SET	PCFTRNS_90	; PCF TRANSFER SPEED: PCFTRNS_[90|45|11|15]
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
 ;
@@ -302,6 +302,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -361,7 +363,7 @@ PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_PIO	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
-SDCNT		.SET	2		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
+SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
 SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
@@ -379,6 +381,9 @@ CH1USBENABLE	.SET	TRUE		; CH 1: ENABLE USB DISK
 CH1SDENABLE	.SET	FALSE		; CH 1: ENABLE SD DISK
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
 ;
 PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
 ;
@@ -429,6 +434,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_RPH.asm b/Source/HBIOS/cfg_RPH.asm
index 7768a86b..5529313d 100644
--- a/Source/HBIOS/cfg_RPH.asm
+++ b/Source/HBIOS/cfg_RPH.asm
@@ -99,6 +99,8 @@ CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$B0		; CTC BASE I/O ADDRESS
 CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -354,6 +356,8 @@ PIOSBASE	.SET	RPH_PPI0	; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_SBC.asm b/Source/HBIOS/cfg_SBC.asm
index e7818f02..a2889231 100644
--- a/Source/HBIOS/cfg_SBC.asm
+++ b/Source/HBIOS/cfg_SBC.asm
@@ -94,6 +94,8 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	614400		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -103,19 +105,10 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
-FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
-FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
-FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
 ;
 DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
-LEDMODE		.SET	LEDMODE_RTC	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	RTCIO		; STATUS LED PORT ADDRESS
-LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
 DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
@@ -126,7 +119,6 @@ PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
 LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
-LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
 BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
@@ -142,15 +134,13 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
 DS1501RTCENABLE	.SET	FALSE		; DS1501RTC: ENABLE DS-1501 CLOCK DRIVER (DS1501RTC.ASM)
-DS1501RTC_BASE	.SET	$50		; DS1501RTC: I/O BASE ADDRESS
 ;
 BQRTCENABLE	.SET	FALSE		; BQRTC: ENABLE BQ4845 CLOCK DRIVER (BQRTC.ASM)
-BQRTC_BASE	.SET	$50		; BQRTC: I/O BASE ADDRESS
 ;
 INTRTCENABLE	.SET	FALSE		; ENABLE PERIODIC INTERRUPT CLOCK DRIVER (INTRTC.ASM)
 ;
@@ -362,6 +352,8 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_SCZ180.asm b/Source/HBIOS/cfg_SCZ180.asm
index 71c1d413..5f1abe3d 100644
--- a/Source/HBIOS/cfg_SCZ180.asm
+++ b/Source/HBIOS/cfg_SCZ180.asm
@@ -95,9 +95,8 @@ KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
-CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
-CTCBASE		.SET	$88		; CTC BASE I/O ADDRESS
-CTCTIMER	.SET	FALSE		; ENABLE CTC PERIODIC TIMER
+;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
 ;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
@@ -107,7 +106,7 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 ;
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
-FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
+FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
 FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
 FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
 FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
@@ -130,7 +129,7 @@ PKDENABLE	.SET	FALSE		; ENABLES DSKY NG PKD DRIVER (8259)
 PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
-LCDENABLE	.SET	TRUE		; ENABLE LCD DISPLAY
+LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
 LCDBASE		.SET	$AA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
@@ -147,7 +146,7 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
@@ -200,7 +199,7 @@ DUART1BASE	.SET	$40		; DUART 1: BASE ADDRESS OF CHIP
 DUART1ACFG	.SET	DEFSERCFG	; DUART 1A: SERIAL LINE CONFIG
 DUART1BCFG	.SET	DEFSERCFG	; DUART 1B: SERIAL LINE CONFIG
 ;
-UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
+UARTENABLE	.SET	FALSE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
 UARTCNT		.SET	4		; UART: NUMBER OF CHIPS TO DETECT (1-8)
 UARTOSC		.SET	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.SET	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
@@ -223,7 +222,7 @@ UART6CFG	.SET	DEFSERCFG	; UART 6: SERIAL LINE CONFIG
 UART7BASE	.SET	$FF		; UART 7: REGISTERS BASE ADR
 UART7CFG	.SET	DEFSERCFG	; UART 7: SERIAL LINE CONFIG
 ;
-ASCIENABLE	.SET	TRUE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
+ASCIENABLE	.SET	FALSE		; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
 ASCIINTS	.SET	TRUE		; ASCI: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 ASCISWAP	.SET	FALSE		; ASCI: SWAP CHANNELS
 ASCIBOOT	.SET	0		; ASCI: REBOOT ON RCV CHAR (0=DISABLED)
@@ -234,7 +233,7 @@ Z2UENABLE	.SET	FALSE		; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
 ;
 ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 ;
-SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
+SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 SIODEBUG	.SET	FALSE		; SIO: ENABLE DEBUG OUTPUT
 SIOBOOT		.SET	0		; SIO: REBOOT ON RCV CHAR (0=DISABLED)
 SIOCNT		.SET	2		; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
@@ -242,21 +241,42 @@ SIOINTS		.SET	TRUE		; SIO: INCLUDE SIO INTERRUPT SUPPORT UNDER IM1/2/3
 SIO0MODE	.SET	SIOMODE_RC	; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO0BASE	.SET	$80		; SIO 0: REGISTERS BASE ADR
 SIO0ACLK	.SET	7372800		; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO0ACFG	.SET	SER_115200_8N1	; SIO 0A: SERIAL LINE CONFIG
+SIO0ACFG	.SET	DEFSERCFG	; SIO 0A: SERIAL LINE CONFIG
 SIO0ACTCC	.SET	-1		; SIO 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 SIO0BCLK	.SET	7372800		; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO0BCFG	.SET	SER_115200_8N1	; SIO 0B: SERIAL LINE CONFIG
+SIO0BCFG	.SET	DEFSERCFG	; SIO 0B: SERIAL LINE CONFIG
 SIO0BCTCC	.SET	-1		; SIO 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 SIO1MODE	.SET	SIOMODE_RC	; SIO 1: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP|Z80R]
 SIO1BASE	.SET	$84		; SIO 1: REGISTERS BASE ADR
 SIO1ACLK	.SET	7372800		; SIO 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1ACFG	.SET	SER_115200_8N1	; SIO 1A: SERIAL LINE CONFIG
+SIO1ACFG	.SET	DEFSERCFG	; SIO 1A: SERIAL LINE CONFIG
 SIO1ACTCC	.SET	-1		; SIO 1A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 SIO1BCLK	.SET	7372800		; SIO 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
-SIO1BCFG	.SET	SER_115200_8N1	; SIO 1B: SERIAL LINE CONFIG
+SIO1BCFG	.SET	DEFSERCFG	; SIO 1B: SERIAL LINE CONFIG
 SIO1BCTCC	.SET	-1		; SIO 1B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 ;
 SCCENABLE	.SET	FALSE		; SCC: ENABLE ZILOG SCC SERIAL DRIVER (SCC.ASM)
+SCCDEBUG	.SET	FALSE		; SCC: ENABLE DEBUG OUTPUT
+SCCBOOT		.SET	0		; SCC: REBOOT ON RCV CHAR (0=DISABLED)
+SCCCNT		.SET	1		; SCC: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
+SCCINTS		.SET	TRUE		; SCC: INCLUDE SCC INTERRUPT SUPPORT UNDER IM1/2/3
+SCCPCLK		.SET	TRUE		; SCC: USE PROCESSOR CLOCK AS BAUD CLOCK
+SCC0MODE	.SET	SCCMODE_SZ80	; SCC 0: CHIP TYPE: SCCMODE_[STD|SZ80]
+SCC0BASE	.SET	$A0		; SCC 0: REGISTERS BASE ADR
+SCC0ACLK	.SET	7372800		; SCC 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC0ACFG	.SET	DEFSERCFG	; SCC 0A: SERIAL LINE CONFIG
+SCC0ACTCC	.SET	-1		; SCC 0A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC0BCLK	.SET	7372800		; SCC 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC0BCFG	.SET	DEFSERCFG	; SCC 0B: SERIAL LINE CONFIG
+SCC0BCTCC	.SET	-1		; SCC 0B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC1MODE	.SET	SCCMODE_SZ80	; SCC 1: CHIP TYPE: SIOMODE_[STD|SZ80]
+SCC1BASE	.SET	$FF		; SCC 1: REGISTERS BASE ADR
+SCC1ACLK	.SET	7372800		; SCC 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC1ACFG	.SET	DEFSERCFG	; SCC 1A: SERIAL LINE CONFIG
+SCC1ACTCC	.SET	-1		; SCC 1A: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
+SCC1BCLK	.SET	7372800		; SCC 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
+SCC1BCFG	.SET	DEFSERCFG	; SCC 1B: SERIAL LINE CONFIG
+SCC1BCTCC	.SET	-1		; SCC 1B: CTC CHANNEL 0=A, 1=B, 2=C, 3=D, -1 FOR NONE
 ;
 XIOCFG		.SET	DEFSERCFG	; XIO: SERIAL LINE CONFIG
 ;
@@ -273,6 +293,8 @@ SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
 EFENABLE	.SET	FALSE		; EF: ENABLE EF9345 VIDEO DRIVER (EF.ASM)
 TVGAENABLE	.SET	FALSE		; TVGA: ENABLE TRION VGA VIDEO DRIVER (TVGA.ASM)
 XOSENABLE	.SET	FALSE		; XOSERA: ENABLE XOSERA VIDEO DRIVERS (XOSERA.ASM)
+XOS_BASE	.SET	$A0		; XOSERA: I/O BASE ADDRESS (REQUIRES 32 BYTES)
+XOSSIZ		.SET	V80X30		; XOSERA: DISPLAY FORMAT [V80X30|V80X60]
 ;
 MDENABLE	.SET	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDROM		.SET	TRUE		; MD: ENABLE ROM DISK
@@ -300,14 +322,14 @@ IDE0DATLO	.SET	$00		; IDE 0: DATA LO PORT FOR 16-BIT I/O
 IDE0DATHI	.SET	$00		; IDE 0: DATA HI PORT FOR 16-BIT I/O
 IDE0A8BIT	.SET	TRUE		; IDE 0A (MASTER): 8 BIT XFER
 IDE0B8BIT	.SET	TRUE		; IDE 0B (MASTER): 8 BIT XFER
-IDE1MODE	.SET	IDEMODE_NONE	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE1BASE	.SET	$00		; IDE 1: IO BASE ADDRESS
+IDE1MODE	.SET	IDEMODE_RC	; IDE 1: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE1BASE	.SET	$18		; IDE 1: IO BASE ADDRESS
 IDE1DATLO	.SET	$00		; IDE 1: DATA LO PORT FOR 16-BIT I/O
 IDE1DATHI	.SET	$00		; IDE 1: DATA HI PORT FOR 16-BIT I/O
 IDE1A8BIT	.SET	TRUE		; IDE 1A (MASTER): 8 BIT XFER
 IDE1B8BIT	.SET	TRUE		; IDE 1B (MASTER): 8 BIT XFER
-IDE2MODE	.SET	IDEMODE_NONE	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
-IDE2BASE	.SET	$00		; IDE 2: IO BASE ADDRESS
+IDE2MODE	.SET	IDEMODE_RC	; IDE 2: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]
+IDE2BASE	.SET	$20		; IDE 2: IO BASE ADDRESS
 IDE2DATLO	.SET	$00		; IDE 2: DATA LO PORT FOR 16-BIT I/O
 IDE2DATHI	.SET	$00		; IDE 2: DATA HI PORT FOR 16-BIT I/O
 IDE2A8BIT	.SET	TRUE		; IDE 2A (MASTER): 8 BIT XFER
@@ -329,7 +351,7 @@ PPIDE2BASE	.SET	$00		; PPIDE 2: PPI REGISTERS BASE ADR
 PPIDE2A8BIT	.SET	FALSE		; PPIDE 2A (MASTER): 8 BIT XFER
 PPIDE2B8BIT	.SET	FALSE		; PPIDE 2B (SLAVE): 8 BIT XFER
 ;
-SDENABLE	.SET	TRUE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
+SDENABLE	.SET	FALSE		; SD: ENABLE SD CARD DISK DRIVER (SD.ASM)
 SDMODE		.SET	SDMODE_SC	; SD: DRIVER MODE: SDMODE_[JUHA|N8|CSIO|PPI|UART|DSD|MK4|SC|MT|USR|PIO|Z80R|EPITX|T35|GM|EZ512|K80W]
 SDPPIBASE	.SET	$60		; SD: BASE I/O ADDRESS OF PPI FOR PPI MODDE
 SDCNT		.SET	1		; SD: NUMBER OF SD CARD DEVICES (1-2), FOR DSD/SC/MT ONLY
@@ -337,7 +359,7 @@ SDTRACE		.SET	1		; SD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 SDCSIOFAST	.SET	FALSE		; SD: ENABLE TABLE-DRIVEN BIT INVERTER IN CSIO MODE
 SDMTSWAP	.SET	FALSE		; SD: SWAP THE LOGICAL ORDER OF THE SPI PORTS OF THE MT011
 ;
-CHENABLE	.SET	TRUE		; CH: ENABLE CH375/376 USB SUPPORT
+CHENABLE	.SET	FALSE		; CH: ENABLE CH375/376 USB SUPPORT
 CHTRACE		.SET	1		; CH: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 CHUSBTRACE	.SET	1		; CHUSB: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 CHSDTRACE	.SET	1		; CHSD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
@@ -350,6 +372,9 @@ CH1USBENABLE	.SET	TRUE		; CH 1: ENABLE USB DISK
 CH1SDENABLE	.SET	FALSE		; CH 1: ENABLE SD DISK
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
+PRPSDENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER SD CARD SUPPORT
+PRPSDTRACE	.SET	1		; PRP: SD CARD TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PRPCONENABLE	.SET	TRUE		; PRP: ENABLE PROPIO DRIVER VIDEO/KBD SUPPORT
 ;
 PPPENABLE	.SET	FALSE		; PPP: ENABLE ZETA PARALLEL PORT PROPELLER BOARD DRIVER (PPP.ASM)
 ;
@@ -400,6 +425,15 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
diff --git a/Source/HBIOS/cfg_SZ180.asm b/Source/HBIOS/cfg_SZ180.asm
index 6dfb00af..191ab4a7 100644
--- a/Source/HBIOS/cfg_SZ180.asm
+++ b/Source/HBIOS/cfg_SZ180.asm
@@ -96,6 +96,8 @@ KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -423,6 +425,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/cfg_SZ80.asm b/Source/HBIOS/cfg_SZ80.asm
index efa2c96b..9a5f0886 100644
--- a/Source/HBIOS/cfg_SZ80.asm
+++ b/Source/HBIOS/cfg_SZ80.asm
@@ -89,6 +89,8 @@ KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -412,6 +414,8 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 ;
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
diff --git a/Source/HBIOS/cfg_TEMPLATE.asm b/Source/HBIOS/cfg_TEMPLATE.asm
index cef821a1..764458ff 100644
--- a/Source/HBIOS/cfg_TEMPLATE.asm
+++ b/Source/HBIOS/cfg_TEMPLATE.asm
@@ -130,6 +130,9 @@ CTCPRECH	.SET	2		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	3		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	614400		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+SCTIMIO		.SET	$0F		; SC737: PORT ADDRESS
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 PCFBASE		.SET	$F0		; PCF8584 BASE I/O ADDRESS
 PCFCLK		.SET	PCFCLK_12	; PCF CLOCK BASE: PCFCLK_[3|443|6|8|12]
@@ -520,6 +523,15 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.SET	$0C		; UF: REGISTERS BASE ADR
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+CHSCSIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
+CHUFIENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
+CHNATIVEFORCE		.SET	FALSE	; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
+CHNATIVEEZ80		.SET	FALSE	; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
+_CH376_DATA_PORT	.SET	$FF88	; CH376: DATA PORT
+_CH376_COMMAND_PORT	.SET	$FF89	; CH376: COMMAND PORT
+_USB_MODULE_LEDS	.SET	$FF8A	; CH376: LED CONTROL PORT
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 SN76489CHNOUT	.SET	SNCHAN_BOTH	; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
 AUDIOTRACE	.SET	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
@@ -571,13 +583,3 @@ EZ80_WSMD_TYP		.SET	EZ80WSMD_CALC	; BUS WAIT STATE CONFIG: EZ80WSMD_[CALC|CYCLES
 EZ80_FLSH_WS		.SET	1		; WAIT STATES FOR ON CHIP FLASH (0-7)
 EZ80_FLSH_MIN_NS	.SET	60		; MINIMUM WAIT STATES TO APPLY TO ON-CHIP FLASH, IF EZ80_WSMD_TYP = EZ80WSMD_CALC
 EZ80_FWSMD_TYP		.SET	EZ80WSMD_CALC	; WAIT STATE TYPE: EZ80RMMD_[CALC|WAIT] (CYCLES NOT ALLOWED)
-;
-CHNATIVEENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
-CHSCSIENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE MASS STORAGE DEVICES (REQUIRES CHNATIVEENABLE)
-CHUFIENABLE		.SET	FALSE		; CH376: ENABLE CH376 NATIVE UFI FLOPPY DISK DEVICES (REQUIRES CHNATIVEENABLE)
-CHNATIVEFORCE		.SET	FALSE		; CH376: DISABLE AUTO-DETECTION OF MODULE - ASSUME ITS INSTALLED (REQUIRES CHNATIVEENABLE)
-CHNATIVEEZ80		.SET	FALSE		; CH376: DELEGATE USB DRIVERS TO EZ80'S FIRMWARE
-;
-_CH376_DATA_PORT	.SET	$FF88		; CH376: DATA PORT
-_CH376_COMMAND_PORT	.SET	$FF89		; CH376: COMMAND PORT
-_USB_MODULE_LEDS	.SET	$FF8A		; CH376: LED CONTROL PORT
diff --git a/Source/HBIOS/cfg_Z80RETRO.asm b/Source/HBIOS/cfg_Z80RETRO.asm
index 69e27c54..3ff82235 100644
--- a/Source/HBIOS/cfg_Z80RETRO.asm
+++ b/Source/HBIOS/cfg_Z80RETRO.asm
@@ -97,6 +97,8 @@ CTCPRECH	.SET	0		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	1		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	7372800		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -325,6 +327,8 @@ PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE	.SET	FALSE		; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 SPKENABLE	.SET	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
diff --git a/Source/HBIOS/cfg_ZETA.asm b/Source/HBIOS/cfg_ZETA.asm
index 21ab029a..1cacde9e 100644
--- a/Source/HBIOS/cfg_ZETA.asm
+++ b/Source/HBIOS/cfg_ZETA.asm
@@ -45,7 +45,7 @@
 #DEFINE PLATFORM_NAME	"Zeta", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD FOR EMPTY CMD LINE
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
-#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS		; DEFAULT SERIAL CONFIGURATION
+#DEFINE DEFSERCFG	SER_115200_8N1	; DEFAULT SERIAL CONFIGURATION
 ;
 #INCLUDE "cfg_MASTER.asm"
 ;
@@ -82,10 +82,11 @@ MPCL_ROM	.SET	$7C		; SBC MEM MGR ROM PAGE SELECT REG (WRITE ONLY)
 RTCIO		.SET	$70		; RTC LATCH REGISTER ADR
 ;
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
-KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
 CTCENABLE	.SET	FALSE		; ENABLE ZILOG CTC SUPPORT
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -95,19 +96,10 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
-FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
-FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
-FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
 ;
 DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
-LEDMODE		.SET	LEDMODE_RTC	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	RTCIO		; STATUS LED PORT ADDRESS
-LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
 DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
@@ -118,7 +110,6 @@ PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
 LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
-LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
 BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
@@ -134,7 +125,7 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
@@ -175,6 +166,8 @@ SSEROINV	.SET	FALSE		; SSER: OUTPUT READY BIT INVERTED
 ;
 DLPSERENABLE	.SET	FALSE		; DLPSER: ENABLE DLP-USB SERIAL DRIVER (DLPSER.ASM)
 ;
+TSERENABLE	.SET	FALSE		; TSER: ENABLE T35 SERIAL DRIVER (TSER.ASM)
+;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 ;
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
@@ -216,9 +209,6 @@ VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.SET	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|N8PC]
-TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
-TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.SET	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
@@ -232,7 +222,7 @@ MDRAM		.SET	TRUE		; MD: ENABLE RAM DISK
 MDTRACE		.SET	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 MDFFENABLE	.SET	FALSE		; MD: ENABLE FLASH FILE SYSTEM
 ;
-FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_ZETA	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPFDC|MBC]
 FDCNT		.SET	1		; FD: NUMBER OF FLOPPY DRIVES ON THE INTERFACE (1-2)
 FDTRACE		.SET	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
@@ -291,17 +281,15 @@ SCSIENABLE	.SET	FALSE		; SCSI: ENABLE 3580-BASED SCSI INTERFACE (SCSI.ASM)
 PIO_4P		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB 4P BOARD
 PIO_ZP		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR ECB ZILOG PERIPHERALS BOARD (PIO.ASM)
 PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
-PIOSBASE	.SET	$60		; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 SPKENABLE	.SET	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;
 DMAENABLE	.SET	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
-DMABASE		.SET	$E0		; DMA: DMA BASE ADDRESS
-DMAMODE		.SET	DMAMODE_NONE	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC|MBC|DUO)
 ;
 YM2612ENABLE	.SET	FALSE		; YM2612: ENABLE YM2612 DRIVER
-VGMBASE		.SET	$C0		; YM2612: BASE ADDRESS FOR VGM BOARD (YM2612/SN76489s/CTC)
diff --git a/Source/HBIOS/cfg_ZETA2.asm b/Source/HBIOS/cfg_ZETA2.asm
index eb3e234b..ed808a91 100644
--- a/Source/HBIOS/cfg_ZETA2.asm
+++ b/Source/HBIOS/cfg_ZETA2.asm
@@ -45,7 +45,7 @@
 #DEFINE PLATFORM_NAME	"Zeta 2", " [", CONFIG, "]"	; TEXT LABEL OF THIS CONFIG IN STARTUP MESSAGES
 #DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD FOR EMPTY CMD LINE
 #DEFINE AUTO_CMD	""		; AUTO CMD WHEN BOOT_TIMEOUT IS ENABLED
-#DEFINE DEFSERCFG	SER_38400_8N1 | SER_RTS		; DEFAULT SERIAL CONFIGURATION
+#DEFINE DEFSERCFG	SER_115200_8N1 | SER_RTS	; DEFAULT SERIAL CONFIGURATION
 ;
 #INCLUDE "cfg_MASTER.asm"
 ;
@@ -87,6 +87,8 @@ RTCIO		.SET	$70		; RTC LATCH REGISTER ADR
 KIOENABLE	.SET	FALSE		; ENABLE ZILOG KIO SUPPORT
 KIOBASE		.SET	$80		; KIO BASE I/O ADDRESS
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 CTCENABLE	.SET	TRUE		; ENABLE ZILOG CTC SUPPORT
 CTCDEBUG	.SET	FALSE		; ENABLE CTC DRIVER DEBUG OUTPUT
 CTCBASE		.SET	$20		; CTC BASE I/O ADDRESS
@@ -97,6 +99,8 @@ CTCPRECH	.SET	0		; PRESCALE CHANNEL (0-3)
 CTCTIMCH	.SET	1		; TIMER CHANNEL (0-3)
 CTCOSC		.SET	921600		; CTC CLOCK FREQUENCY
 ;
+SCTIMENABLE	.SET	FALSE		; ENABLE SC737 50HZ SYSTEM TIMER
+;
 PCFENABLE	.SET	FALSE		; ENABLE PCF8584 I2C CONTROLLER
 ;
 EIPCENABLE	.SET	FALSE		; EIPC: ENABLE Z80 EIPC (Z84C15) INITIALIZATION
@@ -106,19 +110,10 @@ SKZENABLE	.SET	FALSE		; ENABLE SERGEY'S Z80-512K FEATURES
 WDOGMODE	.SET	WDOG_NONE	; WATCHDOG MODE: WDOG_[NONE|EZZ80|SKZ]
 ;
 FPLED_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL LEDS
-FPLED_IO	.SET	$00		; FP: PORT ADDRESS FOR FP LEDS
-FPLED_INV	.SET	FALSE		; FP: LED BITS ARE INVERTED
-FPLED_DSKACT	.SET	TRUE		; FP: ENABLES DISK I/O ACTIVITY ON FP LEDS
-FPSW_ENABLE	.SET	FALSE		; FP: ENABLES FRONT PANEL SWITCHES
-FPSW_IO		.SET	$00		; FP: PORT ADDRESS FOR FP SWITCHES
-FPSW_INV	.SET	FALSE		; FP: SWITCH BITS ARE INVERTED
 ;
 DIAGLVL		.SET	DL_CRITICAL	; ERROR LEVEL REPORTING
 ;
 LEDENABLE	.SET	FALSE		; ENABLES STATUS LED (SINGLE LED)
-LEDMODE		.SET	LEDMODE_STD	; LEDMODE_[STD|SC|RTC|NABU]
-LEDPORT		.SET	RTCIO		; STATUS LED PORT ADDRESS
-LEDDISKIO	.SET	TRUE		; ENABLES DISK I/O ACTIVITY ON STATUS LED
 ;
 DSKYENABLE	.SET	FALSE		; ENABLES DSKY FUNCTIONALITY
 DSKYDSKACT	.SET	TRUE		; ENABLES DISK ACTIVITY ON DSKY DISPLAY
@@ -129,7 +124,6 @@ PKDPPIBASE	.SET	$60		; BASE I/O ADDRESS OF PKD PPI
 PKDOSC		.SET	3000000		; OSCILLATOR FREQ FOR PKD (IN HZ)
 H8PENABLE	.SET	FALSE		; ENABLES HEATH H8 FRONT PANEL
 LCDENABLE	.SET	FALSE		; ENABLE LCD DISPLAY
-LCDBASE		.SET	$DA		; BASE I/O ADDRESS OF LCD CONTROLLER
 GM7303ENABLE	.SET	FALSE		; ENABLES THE GM7303 BOARD WITH 16X2 LCD
 ;
 BOOTCON		.SET	0		; BOOT CONSOLE DEVICE
@@ -145,7 +139,7 @@ KBDKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYKBLOUT	.SET	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDINTS		.SET	FALSE		; ENABLE KBD (PS2) KEYBOARD INTERRUPTS
 ;
-DSRTCENABLE	.SET	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
+DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.SET	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTCMODE_[STD|MFPIC|K80W]
 DSRTCCHG	.SET	FALSE		; DSRTC: FORCE BATTERY CHARGE ON (USE WITH CAUTION!!!)
 ;
@@ -186,6 +180,8 @@ SSEROINV	.SET	FALSE		; SSER: OUTPUT READY BIT INVERTED
 ;
 DLPSERENABLE	.SET	FALSE		; DLPSER: ENABLE DLP-USB SERIAL DRIVER (DLPSER.ASM)
 ;
+TSERENABLE	.SET	FALSE		; TSER: ENABLE T35 SERIAL DRIVER (TSER.ASM)
+;
 DUARTENABLE	.SET	FALSE		; DUART: ENABLE 2681/2692 SERIAL DRIVER (DUART.ASM)
 ;
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
@@ -227,9 +223,6 @@ VDUENABLE	.SET	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.SET	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.SET	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.SET	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MSX|MSXKBD|MSXMKY|MBC|COLECO|DUO|NABU|N8PC]
-TMS80COLS	.SET	FALSE		; TMS: ENABLE 80 COLUMN SCREEN, REQUIRES V9958
-TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.SET	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VRCENABLE	.SET	FALSE		; VRC: ENABLE VGARC VIDEO/KBD DRIVER (VRC.ASM)
 SCONENABLE	.SET	FALSE		; SCON: ENABLE S100 CONSOLE DRIVER (SCON.ASM)
@@ -305,13 +298,12 @@ PIO_SBC		.SET	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.SET	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
+CHNATIVEENABLE		.SET	FALSE	; CH376: ENABLE CH376 NATIVE USB DRIVER
+;
 SN76489ENABLE	.SET	FALSE		; SN: ENABLE SN76489 SOUND DRIVER
 AY38910ENABLE	.SET	FALSE		; AY: ENABLE AY-3-8910 / YM2149 SOUND DRIVER
 SPKENABLE	.SET	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;
 DMAENABLE	.SET	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
-DMABASE		.SET	$E0		; DMA: DMA BASE ADDRESS
-DMAMODE		.SET	DMAMODE_NONE	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC|MBC|DUO)
 ;
 YM2612ENABLE	.SET	FALSE		; YM2612: ENABLE YM2612 DRIVER
-VGMBASE		.SET	$C0		; YM2612: BASE ADDRESS FOR VGM BOARD (YM2612/SN76489s/CTC)
diff --git a/Source/HBIOS/ctc.asm b/Source/HBIOS/ctc.asm
index 4ab05eb1..e33a24d9 100644
--- a/Source/HBIOS/ctc.asm
+++ b/Source/HBIOS/ctc.asm
@@ -2,7 +2,6 @@
 ;
 ; Z80 CTC
 ;
-;   DISPLAY CONFIGURATION DETAILS
 ;______________________________________________________________________________________________________________________
 ;
 CTC_DEFCFG	.EQU	%01010011	; CTC DEFAULT CONFIG
diff --git a/Source/HBIOS/ef.asm b/Source/HBIOS/ef.asm
index 14971a88..3787fc99 100644
--- a/Source/HBIOS/ef.asm
+++ b/Source/HBIOS/ef.asm
@@ -3,6 +3,8 @@
 ;
 ;	PARTS WRITTEN BY: ALAN COX
 ;	REVISED/ENHANCED BY LASZLO SZOLNOKI -- 01/2024
+;
+;	https://github.com/lgszolnoki/EF9345-VideoCard
 ;======================================================================
 ; TODO:
 ;	- 40X24 IMPLEMENTATION
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 8cfd2e7b..7872700f 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -8934,6 +8934,10 @@ HB_MODSTART	.EQU	$
   #INCLUDE "ctc.asm"
 #ENDIF
 ;
+#IF (SCTIMENABLE)
+  #INCLUDE "sctim.asm"
+#ENDIF
+;
 #IF (PCFENABLE)
   #INCLUDE "pcf.asm"
 #ENDIF
diff --git a/Source/HBIOS/sctim.asm b/Source/HBIOS/sctim.asm
new file mode 100644
index 00000000..319ffef6
--- /dev/null
+++ b/Source/HBIOS/sctim.asm
@@ -0,0 +1,166 @@
+;___SCTIM______________________________________________________________________________________________________________
+;
+; Z80 SMALL COMPUTERS SC737 50HZ SYSTEM TIMER
+; https://smallcomputercentral.com/rcbus/sc700-series/sc737-rcbus-interrupt-module/
+;
+; DOES NOT SUPPORT INTERRUPT VECTORS, ONLY USED FOR Z80 INT MODE 1
+;
+;______________________________________________________________________________________________________________________
+;
+;
+; BIT	READ			WRITE
+; 0	TICK BIT 0		<NOT USED>
+; 1	TICK BIT 1		<NOT USED>
+; 2	<NOT USED>		<NOT USED>
+; 3	<NOT USED>		<NOT USED>
+; 4	<NOT USED>		<NOT USED>
+; 5	<NOT USED>		<NOT USED>
+; 6	<NOT USED>		<NOT USED>
+; 7	INT REQ ACT		INT ENABLE
+;
+#IF (INTMODE == 1)
+;
+	DEVECHO	"SCTIM: IO="
+	DEVECHO	SCTIMIO
+;
+	DEVECHO "\n"
+;
+;--------------------------------------------------------------------------------------------------
+;   HBIOS MODULE HEADER
+;--------------------------------------------------------------------------------------------------
+;
+ORG_SCTIM	.EQU	$
+;
+	.DW	SIZ_SCTIM		; MODULE SIZE
+	.DW	SCTIM_INITPHASE		; ADR OF INIT PHASE HANDLER
+;
+SCTIM_INITPHASE:
+	; INIT PHASE HANDLER, A=PHASE
+	CP	HB_PHASE_PREINIT	; PREINIT PHASE?
+	JP	Z,SCTIM_PREINIT		; DO PREINIT
+	CP	HB_PHASE_INIT		; INIT PHASE?
+	JP	Z,SCTIM_INIT		; DO INIT
+	RET				; DONE
+;
+;==================================================================================================
+; SCTIM PRE-INITIALIZATION
+;
+; CHECK TO SEE IF A SCTIM EXISTS. IF IT EXISTS, ALL FOUR SCTIM CHANNELS ARE PROGRAMMED TO:
+;  INTERRUPTS DISABLED, COUNTER MODE, RISING EDGE TRIGGER, RESET STATE.
+;
+; IF THE SCTIMTIMER CONFIGURATION IS SET, THEN A PERIOD INTERRUPT TIMER IS SET UP USING SCTIM CHANNELS
+; 2 (SCTIMPRECH) & 3 (SCTIMTIMCH). THE TIMER WILL BE SETUP TO 50 OR 60HZ DEPENDING ON CONFIGURATION 
+; SETTING TICKFREQ. CHANNEL 3 WILL GENERATE THE TICK INTERRUPT.. 
+;==================================================================================================
+;
+SCTIM_PREINIT:
+	; BLINDLY RESET THE SCTIM ASSUMING IT IS THERE.
+	XOR	A
+	OUT	(SCTIMIO),A
+;
+	CALL	SCTIM_DETECT		; DO WE HAVE ONE?
+	LD	(SCTIM_EXIST),A		; SAVE IT
+	RET	NZ			; ABORT IF NONE
+;
+	LD	HL,SCTIM_INT
+	CALL	HB_ADDIM1		; ADD TO IM1 CALL LIST
+;
+	XOR	A
+	RET
+;
+;==================================================================================================
+; DRIVER INITIALIZATION
+;==================================================================================================
+;
+SCTIM_INIT:
+	; ANNOUNCE PORT
+	CALL	NEWLINE			; FORMATTING
+	PRTS("SCTIM:$")			; FORMATTING
+;
+	PRTS(" IO=0x$")			; FORMATTING
+	LD	A,SCTIMIO		; GET BASE PORT
+	CALL	PRTHEXBYTE		; PRINT BASE PORT
+;
+	LD	A,(SCTIM_EXIST)		; IS IT THERE?
+	OR	A			; 0 MEANS YES
+	JR	Z,SCTIM_INIT1		; CONTINUE TO ENABLE IT
+;
+	; NOTIFY NO SCTIM HARDWARE
+	PRTS(" NOT PRESENT$")
+	OR	$FF
+	RET
+;
+SCTIM_INIT1:
+	; ENABLE THE TIMER
+	OR	$FF			; $FF TO ACCUM
+	OUT	(SCTIMIO),A		; ENABLE INTS
+	XOR				; SIGNAL SUCCESS
+	RET				; DONE
+;
+;==================================================================================================
+; INTERRUPT HANDLER
+;==================================================================================================
+;
+SCTIM_INT:
+	IN	A,(SCTIMIO)		; READ PORT
+	RLA				; INT ACT BIT TO CF
+	JR	NC,SCTIM_INT1		; IF ACTIVE, CONTINUE
+	XOR	A			; SIGNAL INT NOT HANDLED
+	RET				; AND RETURN
+;
+SCTIM_INT1:
+	; PROCESS THE INTERRUPT
+	XOR	A			; ZERO ACCUM
+	OUT	(SCTIMIO),A		; ENABLE OFF
+	DEC	A			; $FF TO ACCUM
+	OUT	(SCTIMIO),A		; ENABLE BACK ON
+	JP	HB_TIMINT		; CHAIN TO TIMER PROCESSING
+;
+;==================================================================================================
+; DETECT SCTIM BY READING PORT FOR AT LEAST 20MS LOOKING FOR A VALUE
+; CHANGE.
+;==================================================================================================
+;
+; WE ASSUME A WORST CASE OF 30MHZ CPU CLOCK
+;
+; 20MS = 20000US.  AT 1 MHZ, 1US = 1TS.  AT 30MHZ, 1US = 30TS
+; SO, 30TS * 20000US = 600000TS TOTAL
+; EACH LOOP IS 46TS, SO 600000TS / 48TS = 12,500 LOOPS
+;
+SCTIM_DETECT:
+	LD	BC,12500		; LOOP CONTROL
+	IN	A,(SCTIMIO)		; READ STARTING VALUE
+	LD	E,A			; PUT IN E
+SCTIM_DETECT1:
+	IN	A,(SCTIMIO)		; READ VALUE			; 11
+	CP	E			; CHANGED?			; 4
+	JR	NZ,SCTIM_DETECT2	; HANDLE SUCCESS		; 7
+	INC	BC			; INC LOOP CONTROL		; 6
+	LD	A,B			; CHECK FOR			; 4
+	OR	C			; ... LOOP TIMEOUT		; 4
+	JR	NZ,SCTIM_DETECT1	; LOOP TILL EXHAUSTED		; 12, TOTAL: 48
+	OR	$FF			; SIGNAL FAILURE
+	RET				; AND DONE
+SCTIM_DETECT2:
+	XOR	A			; SIGNAL SUCCESS
+	RET				; DONE
+;
+; SCTIM DRIVER DATA STORAGE
+;
+SCTIM_EXIST	.DB	$FF		; SET TO ZERO IF EXISTS
+;
+;--------------------------------------------------------------------------------------------------
+;   HBIOS MODULE TRAILER
+;--------------------------------------------------------------------------------------------------
+;
+END_SCTIM	.EQU	$
+SIZ_SCTIM	.EQU	END_SCTIM - ORG_SCTIM
+;	
+	MEMECHO	"SCTIM occupies "
+	MEMECHO	SIZ_SCTIM
+	MEMECHO	" bytes.\n"
+;
+#ELSE
+	.ECHO	"*** WARNING: SCTIM TIMER DISABLED -- ONLY INTMODE 1 SUPPORTED!!!\n"
+#ENDIF
+
diff --git a/Source/HBIOS/sd.asm b/Source/HBIOS/sd.asm
index f7261325..e354bb43 100644
--- a/Source/HBIOS/sd.asm
+++ b/Source/HBIOS/sd.asm
@@ -317,10 +317,14 @@ SD_INVCS	.EQU	FALSE		; INVERT CS
 ;	shield attached and are the ones also used in other bitbang setups
 ;	directly attached to a PIO. It also works on a straight digital I/O
 ;	port as the config writes will disappear into oblivion harmlessly
-;	
+;
 ;	The Gluino mapping (ie Arduino pin mapping equivalent) is thus
 ;	D10 SS, D11 CIPO, D12 COPI, D13 SCL.
 ;
+;	This config also works for Steve Cousins SD Card Boards such as
+;	SC611 and SC734.  These cards do not require DDR manipulation,
+;	but the DDR writes are benign at this point.
+;
 ;	For speed reasons MISO/MOSI are mapped to the top and bottom bits.
 ;	RomWBW doesn't yet use this fact but the optimized Fuzix routines do.
 ;
diff --git a/Source/HBIOS/sn76489.asm b/Source/HBIOS/sn76489.asm
index 4f9abda2..ba3e8276 100644
--- a/Source/HBIOS/sn76489.asm
+++ b/Source/HBIOS/sn76489.asm
@@ -34,7 +34,7 @@ SN76489_PORT_RIGHT	.EQU	$FB	; PORTS FOR ACCESSING THE SN76489 CHIP (RIGHT)
 #IF (SNMODE == SNMODE_DUO)
 SN76489_PORT_LEFT	.EQU	$BE	; PORTS FOR ACCESSING THE SN76489 CHIP (LEFT)
 SN76489_PORT_RIGHT	.EQU	$BF	; PORTS FOR ACCESSING THE SN76489 CHIP (RIGHT)
-	DEVECHO	"RC"
+	DEVECHO	"DUO"
 #ENDIF
 ;
 	DEVECHO	", IO_LEFT="
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index c454558c..97cf5cf7 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -694,13 +694,14 @@ CPUMHZ		.EQU	CPUKHZ / 1000	; CPU FREQ IN MHZ
 ;
 #IF (BIOS == BIOS_WBW)
 ;
-TM_NONE	.EQU	0
-TM_CTC	.EQU	1
-TM_TMS	.EQU	2
-TM_SIMH	.EQU	3
-TM_Z180	.EQU	4
-TM_Z280	.EQU	5
-TM_EZ80	.EQU	6
+TM_NONE		.EQU	0
+TM_CTC		.EQU	1
+TM_TMS		.EQU	2
+TM_SIMH		.EQU	3
+TM_Z180		.EQU	4
+TM_Z280		.EQU	5
+TM_EZ80		.EQU	6
+TM_SCTIM	.EQU	7
 ;
 	SYSECHO "SYSTEM TIMER:"
 SYSTIM	.EQU	TM_NONE
@@ -711,6 +712,11 @@ SYSTIM	.SET	TM_CTC
 	SYSECHO	" CTC"
     #ENDIF
   #ENDIF
+;
+  #IF (SCTIMENABLE & (INTMODE == 1))
+SYSTIM	.SET	TM_SCTIM
+	SYSECHO	" SCTIM"
+  #ENDIF
 ;
   #IF (TMSENABLE & (INTMODE > 0))
     #IF (TMSTIMENABLE)