diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 3b10f0a5..f6324c6e 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -14,6 +14,7 @@ Version 3.1
 - M?O: RomWBW Disk Catalog document
 - DEN: Updated TMS to optionally trigger SYSTIMER interrupt (TMSTIMENABLE)
 - J?M: Updated KERMIT applications with VT100 terminal support
+- A?C: Added support for EPFDC
 
 Version 3.0.1
 -------------
diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index 4e1c4b27..32c6ccf2 100644
Binary files a/Doc/RomWBW Applications.pdf and b/Doc/RomWBW Applications.pdf differ
diff --git a/Doc/RomWBW Architecture.pdf b/Doc/RomWBW Architecture.pdf
index f4da7db2..bb2f238e 100644
Binary files a/Doc/RomWBW Architecture.pdf and b/Doc/RomWBW Architecture.pdf differ
diff --git a/Doc/RomWBW Disk Catalog.pdf b/Doc/RomWBW Disk Catalog.pdf
index 72d259f0..73b19980 100644
Binary files a/Doc/RomWBW Disk Catalog.pdf and b/Doc/RomWBW Disk Catalog.pdf differ
diff --git a/Doc/RomWBW Getting Started.pdf b/Doc/RomWBW Getting Started.pdf
index e25d7453..4e161bbf 100644
Binary files a/Doc/RomWBW Getting Started.pdf and b/Doc/RomWBW Getting Started.pdf differ
diff --git a/Source/Apps/FDU/FDU.asm b/Source/Apps/FDU/FDU.asm
index da176f06..23241dfa 100644
--- a/Source/Apps/FDU/FDU.asm
+++ b/Source/Apps/FDU/FDU.asm
@@ -45,6 +45,7 @@
 ;			- USE EOT=R TO END R/W AFTER ONE SECTOR INSTEAD
 ;			  OF USING PULSE TC
 ;   2020-01-05: V5.4	ADDED SUPPORT FOR DYNO FDC
+;   2020-04-29: v5.5	ADDED SUPPORT FOR ETCHED PIXELS FDC
 ;			
 ;_______________________________________________________________________________
 ;
@@ -79,6 +80,7 @@ FDC_RCSMC	.EQU		6
 FDC_RCWDC	.EQU		7
 FDC_SMZ80	.EQU		8
 FDC_DYNO	.EQU		9
+FDC_EPFDC	.EQU		10
 ;
 ; FDC MODE
 ;
@@ -213,7 +215,7 @@ INIT5:
 	XOR	A
 	RET
 		
-STR_BANNER	.DB	"Floppy Disk Utility (FDU) v5.4, 05-jAN-2020$"
+STR_BANNER	.DB	"Floppy Disk Utility (FDU) v5.5, 29-Apr-2020$"
 STR_BANNER2	.DB	"Copyright (C) 2020, Wayne Warthen, GNU GPL v3","$"
 STR_HBIOS	.DB	" [HBIOS]$"
 STR_UBIOS	.DB	" [UBIOS]$"
@@ -284,6 +286,7 @@ FDCTBL:	;	LABEL		CONFIG DATA
 	.DW	STR_RCWDC,	CFG_RCWDC
 	.DW	STR_SMZ80,	CFG_SMZ80
 	.DW	STR_DYNO,	CFG_DYNO
+	.DW	STR_EPFDC,	CFG_EPFDC
 FDCCNT	.EQU	($-FDCTBL)/4	; FD CONTROLLER COUNT
 ;
 ; FDC LABEL STRINGS
@@ -298,6 +301,7 @@ STR_RCSMC	.TEXT	"RC-SMC$"
 STR_RCWDC	.TEXT	"RC-WDC$"
 STR_SMZ80	.TEXT	"SMZ80$"
 STR_DYNO	.TEXT	"DYNO$"
+STR_EPFDC	.TEXT	"EPFDC$"
 ;
 ; FDC CONFIGURATION BLOCKS
 ;
@@ -419,6 +423,17 @@ CFG_DYNO:
 	.DB	0FFH	; PSEUDO DMA DATA PORT
 	.DB	_PCAT	; MODE=
 ;
+CFG_EPFDC:
+	.DB	048H	; FDC MAIN STATUS REGISTER
+	.DB	049H	; FDC DATA PORT
+	.DB	0FFH	; DATA INPUT REGISTER
+	.DB	04AH	; DIGITAL OUTPUT REGISTER (LATCH)
+	.DB	04BH	; DCR
+	.DB	0FFH	; DACK
+	.DB	04CH	; TERMINAL COUNT (W/ DACK)
+	.DB	0FFH	; PSEUDO DMA DATA PORT
+	.DB	_PCAT	; MODE=
+;
 FDCID	.DB	0			; FDC IDENTIFIER (0 INDEXED)
 FDCBM	.DB	0			; FDC ID BITMAP
 FDCLBL	.DW	0			; POINTER TO ACTIVE FDC LABEL STRING
@@ -437,6 +452,7 @@ FSS_MENU:
 	.TEXT	"  (H) RC2014 WDC (SMB)\r\n"
 	.TEXT	"  (I) SmallZ80 Expansion\r\n"
 	.TEXT	"  (J) Dyno-Card FDC, D1030\r\n"
+	.TEXT	"  (K) RC2014 EPFDC\r\n"
 	.TEXT	"  (X) Exit\r\n"
 	.TEXT	"=== OPTION ===> $\r\n"
 ;	
@@ -1517,6 +1533,7 @@ MD_MAP:
 		.DB	%00000001	; RCWDC	POLL
 		.DB	%00000001	; SMZ80	POLL
 		.DB	%00000001	; DYNO	POLL
+		.DB	%00000001	; EPFDC	POLL
 ;
 ; MEDIA DESCRIPTION BLOCK
 ;
@@ -1877,7 +1894,7 @@ FM_DRAW0B:	; ZETA, DIO3
 	LD	A,(FST_DOR)
 	AND	00000010B
 	JR	FM_DRAW1
-FM_DRAW0C:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FM_DRAW0C:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	A,(FST_DOR)
 	AND	11110000B
 	JR	FM_DRAW1
@@ -2030,7 +2047,7 @@ FM_MOTOR0B:	; ZETA, DIO3
 	LD	A,(FST_DOR)
 	AND	00000010B
 	JR	FM_MOTOR1
-FM_MOTOR0C:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FM_MOTOR0C:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	A,(FST_DOR)
 	AND	11110000B
 	JR	FM_MOTOR1
@@ -2769,7 +2786,7 @@ FC_INIT1:	; DIO
 FC_INIT2:	; ZETA, DIO3
 	LD	A,(FCD_DORB)
 	JR	FC_INIT5
-FC_INIT3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FC_INIT3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	A,(FCD_DORC)
 	JR	FC_INIT5
 FC_INIT4:	; WDSMC
@@ -2813,7 +2830,7 @@ FC_RESETFDC1:	; ZETA, DIO3, RCSMC
 	POP	AF
 	OUT	(C),A
 	JR	FC_RESETFDC3
-FC_RESETFDC2:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FC_RESETFDC2:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	A,0
 	OUT	(C),A
 	LD	A,(FST_DOR)
@@ -2840,7 +2857,7 @@ FC_PULSETC:
 	;RES	0,A
 	;OUT	(C),A
 	;JR	FC_PULSETC2
-;FC_PULSETC1:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+;FC_PULSETC1:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	;LD	C,(IY+CFG_TC)
 	;IN	A,(C)
 	;JR	FC_PULSETC2
@@ -2872,7 +2889,7 @@ FC_MOTORON2:	; ZETA, DIO3
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	SET	1,(HL)
 	JR	FC_MOTORON5
-FC_MOTORON3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FC_MOTORON3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	LD	A,(HL)			; START WITH CURRENT DOR
 	AND	11111100B		; GET RID OF ANY ACTIVE DS BITS
@@ -2936,7 +2953,7 @@ FC_MOTOROFF2:	; ZETA, DIO3
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	RES	1,(HL)
 	JR	FC_MOTOROFF5
-FC_MOTOROFF3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO
+FC_MOTOROFF3:	; DIDE, N8, ZETA2, RCWDC, SMZ80, DYNO, EPFDC
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	LD	A,DORC_INIT
 	LD	(HL),A
@@ -3806,7 +3823,7 @@ DORB_BR500	.EQU	10100000B	; 500KBPS
 ;
 DORB_INIT	.EQU	DORB_BR250
 ;
-; *** DIDE/N8/ZETA2/RCWDC/SMZ80/DYNO ***
+; *** DIDE/N8/ZETA2/RCWDC/SMZ80/DYNO/EPFDC ***
 ;
 DORC_INIT	.EQU	00001100B	; SOFT RESET INACTIVE, DMA ENABLED
 ;
diff --git a/Source/Apps/Tune/Makefile b/Source/Apps/Tune/Makefile
index cbca69a5..3f6c8fdb 100644
--- a/Source/Apps/Tune/Makefile
+++ b/Source/Apps/Tune/Makefile
@@ -7,13 +7,13 @@ include $(TOOLS)/Makefile.inc
 DEPS := Tune.asm $(shell find . -name '*.inc')
 
 Tune.com: $(DEPS)
-	$(TASM) -dWBW Tune.asm Tune.com
+	$(TASM) -dWBW Tune.asm Tune.com Tune.lst
 
 Tunezx.com: $(DEPS)
-	$(TASM) -dZX Tune.asm Tunezx.com
+	$(TASM) -dZX Tune.asm Tunezx.com Tunezx.lst
 
 Tunemsx.com: $(DEPS)
-	$(TASM) -dMSX Tune.asm Tunemsx.com
+	$(TASM) -dMSX Tune.asm Tunemsx.com Tunemsx.lst
 
 all::
 	mkdir -p $(DEST)/Tunes
diff --git a/Source/Apps/Tune/Tune.asm b/Source/Apps/Tune/Tune.asm
index aa28cb95..6f340a2e 100644
--- a/Source/Apps/Tune/Tune.asm
+++ b/Source/Apps/Tune/Tune.asm
@@ -717,7 +717,9 @@ CurPos	.DB 0 ;for visualization only (i.e. no need for playing)
 
 ;Identifier
 	.IF Id
-	.DB "=Uni PT2 and PT3 Player r.",Release,"="
+	.DB "=Uni PT2 and PT3 Player r."
+	.DB Release
+	.DB "="
 	.ENDIF
 
 	.IF LoopChecker
@@ -1998,11 +2000,11 @@ PLAYVIAHBIOS:
 	LD	L, A
 	RST	08
 
-	LD	B, BF_SNDPIT
+	LD	B, BF_SNDPRD
 	LD	C, 0
 	LD	HL, (AYREGS+TonA)
 	ld	a, h
-	AND	$3F
+	AND	$0F
 	LD	H, A
 	RST	08
 
@@ -2023,11 +2025,11 @@ PLAYVIAHBIOS:
 	LD	L, A
 	RST	08
 
-	LD	B, BF_SNDPIT
+	LD	B, BF_SNDPRD
 	LD	C, 0
 	LD	HL, (AYREGS+TonB)
 	ld	a, h
-	AND	$3F
+	AND	$0F
 	LD	H, A
 	RST	08
 
@@ -2048,11 +2050,11 @@ PLAYVIAHBIOS:
 	LD	L, A
 	RST	08
 
-	LD	B, BF_SNDPIT
+	LD	B, BF_SNDPRD
 	LD	C, 0
 	LD	HL, (AYREGS+TonC)
 	ld	a, h
-	AND	$3F
+	AND	$0F
 	LD	H, A
 	RST	08
 
diff --git a/Source/Apps/Tune/hbios.inc b/Source/Apps/Tune/hbios.inc
index 874a9699..f2442f78 100644
--- a/Source/Apps/Tune/hbios.inc
+++ b/Source/Apps/Tune/hbios.inc
@@ -10,6 +10,6 @@ BF_SYSGET	.EQU	$F8		; HBIOS: SYSGET function
 BF_SND		.EQU	$50
 BF_SNDRESET	.EQU	BF_SND + 0	; RESET SOUND SYSTEM
 BF_SNDVOL	.EQU	BF_SND + 1	; REQUEST SOUND VOL - D IS CHANNEL, E CONTAINS VOLUME (255 MAX, 0 SILENT) - SCALED AS REQUIRED BY DRIVER (EG: MAPS TO JUST 4 BIT RESOLUTION FOR SN76489)
-BF_SNDPIT	.EQU	BF_SND + 2	; REQUEST SOUND PITCH - D IS CHANNEL, HL CONTAINS PITCH (0 LOWEST NOTE, FFFF HIGHEST NOTE) - SCALED BY DRIVER (EG: MAPS TO JUST 10 BITS FOR SN76489 )
+BF_SNDPRD	.EQU	BF_SND + 2	; REQUEST SOUND PERIOD - D IS CHANNEL, HL CONTAINS PERIOD (0 LOWEST NOTE) - SCALED BY DRIVER (EG: MAPS TO JUST 10 BITS FOR SN76489 )
 BF_SNDPLAY	.EQU	BF_SND + 4	; INITIATE THE REQUESTED SOUND COMMAND
 BF_SNDQUERY	.EQU	BF_SND + 5	; D IS CHANNEL, E IS SUBCOMMAND
diff --git a/Source/Doc/Architecture.md b/Source/Doc/Architecture.md
index 94c9a85d..8a7ecfc9 100644
--- a/Source/Doc/Architecture.md
+++ b/Source/Doc/Architecture.md
@@ -912,6 +912,51 @@ to by HL. HL must point to a location in the top 32K of CPU address space.
 Write the entire contents of the Non-Volatile RAM from the buffer pointed
 to by HL. HL must point to a location in the top 32K of CPU address space.
 
+### Function 0x26 -- RTC Get Alarm (RTCGETALM)
+
+| _Entry Parameters_
+|       B: 0x26
+
+| _Exit Results_
+|       A: Status (0=OK, else error)
+
+Documentation required...
+
+### Function 0x27 -- RTC Set Alarm (RTCSETALM)
+
+| _Entry Parameters_
+|       B: 0x27
+
+| _Exit Results_
+|       A: Status (0=OK, else error)
+
+Documentation required...
+
+### Function 0x28 -- RTC DEVICE (DIODEVICE)
+
+| _Entry Parameters_
+|       B: 0x28
+|       C: RTC Device Unit ID
+
+| _Exit Results_
+|       A: Status (0=OK, else error)
+|       D: Device Type
+|       E: Device Number
+
+Reports information about the RTC device unit specified. Register D
+indicates the device type (driver) and register E indicates the physical
+device number assigned by the driver.
+
+Each RTC device is handled by an appropriate driver (DSRTC, BQRTC,
+etc.) which is identified by a device type id from the table below.
+
+**Type ID** | **Disk Device Type**
+----------- | --------------------
+0x00        | DS1322
+0x10        | BQ4845P
+0x20        | SIMH
+0x30        | System Periodic Timer
+
 `\clearpage`{=latex}
 
 Video Display Adapter (VDA)
@@ -1324,17 +1369,20 @@ Note that not all sounds chips implement 256 volume levels.  The
 driver will scale the volume to the closest possible level the
 chip provides.
 
-### Function 0x52 -- Sound Pitch (SNDPIT)
+### Function 0x52 -- Sound Period (SNDPRD)
 
 | _Entry Parameters_
 |       B: 0x52
 |       C: Audio Device Unit ID
-|       HL: Pitch (0000=lowest note, FFFF=highest note)
+|       HL: Period (0000=lowest note, FFFF=highest note)
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
 
-This function sets the sound chip pitch parameter.  The pitch will
+This function sets the sound chip period parameter.  The period will
 be applied when the next SNDPLAY function is invoked.
 
-The pitch value is a driver specific value.  To play standardized
+The period value is a driver specific value.  To play standardized
 notes, use the SNDNOTE function.
 
 ### Function 0x53 -- Sound Note (SNDNOTE)
@@ -1344,14 +1392,17 @@ notes, use the SNDNOTE function.
 |       C: Audio Device Unit ID
 |       L: Note (0 to 255 quarter notes)
 
-This function sets the sound chip pitch parameter according to
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+
+This function sets the sound chip period parameter according to
 standardized notes.
 
-The value corresponds to standard musical notes.  The value allows 
-for selection of a quarter of a semitone by giving a value between 0 
+The value corresponds to standard musical notes.  The value allows
+for selection of a quarter of a semitone by giving a value between 0
 and up to the drivers maximum supported value. The lowest note is (0).
 
-For the SN76490 chip, 0 corresponds to note A1# and the value 249 is 
+For the SN76490 chip, 0 corresponds to note A1# and the value 249 is
 the maximum supported value, and it corresponds to note C7.
 
 ### Function 0x54 -- Sound Play (SNDPLAY)
@@ -1359,9 +1410,12 @@ the maximum supported value, and it corresponds to note C7.
 | _Entry Parameters_
 |       B: 0x54
 |       C: Audio Device Unit ID
-|       D: Channel
+|       E: Channel
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
 
-This function applies the previously specified volume and pitch by
+This function applies the previously specified volume and period by
 programming the sound chip with the appropriate values.  The values
 are applied to the specified channel of the chip.
 
@@ -1374,6 +1428,81 @@ HBIOS B=53 C=00 L=69      ; Select Middle C (C4) assuming SN76489
 HBIOS B=54 C=00 D=01      ; Play note on Channel 1
 ```
 
+### Function 0x55 -- Sound Query (SNDQUERY)
+
+| _Entry Parameters_
+|       B: 0x54
+|       C: Audio Device Unit ID
+|       E: Subfunction
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+
+This function will return the status of the current pending command or
+key aspects of the specific Audio Device.
+
+#### SNDQUERY Subfunction 0x01 -- Get count of audio channels supported (SNDQ_CHCNT)
+
+|      _Entry Parameters_
+|           B: 0x54
+|           E: 0x01
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+|           B: Count of standard tone channels
+|           C: Count of noise tone channels
+
+#### SNDQUERY Subfunction 0x01 -- Get current volume setting (SNDQ_VOL)
+
+|      _Entry Parameters_
+|           B: 0x54
+|           E: 0x02
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+|           H: 0
+|           L: Current volume setting
+
+#### SNDQUERY Subfunction 0x03 -- Get current period setting (SNDQ_PERIOD)
+
+|      _Entry Parameters_
+|           B: 0x54
+|           E: 0x03
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+|           HL: Current period setting
+
+#### SNDQUERY Subfunction 0x04 -- Get device details (SNDQ_DEV)
+
+|      _Entry Parameters_
+|           B: 0x54
+|           E: 0x04
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+|           B: Driver identity
+|           HL: Driver specific port settings
+|           DE: Driver specific port settings
+
+Reports information about the audio device unit specified.
+
+At this stage, only one driver type is supported (SN76489), but is
+envisaged that more will be added in the future.
+
+Register B reports the audio device type (see below).
+
+Registers HL and DE contain relevant port addresses for the hardware
+specific to each device type.
+
+The currently defined audio device types are:
+
+AUDIO ID       | Value | Device     | Returned registers
+-------------- | ----- | ---------- | --------------------------------------------
+SND_SN76489    | 0x01  | SN76489    | E: Left channel port, L: Right channel port
+SND_SNAY38910  | 0x02  | AY-3-8910  | D: Address port, E: Data port
+
+
 `\clearpage`{=latex}
 
 System (SYS)
@@ -1555,6 +1684,15 @@ available along with the registers/information returned.
 |           A: Status (0=OK, else error)
 |           E: Count of Disk Device Units
 
+#### SYSGET Subfunction 0x20 -- Get Disk Device Unit Count (RTCCNT)
+
+|      _Entry Parameters_
+|           BC: 0xF820
+
+|      _Returned Values_
+|           A: Status (0=OK, else error)
+|           E: Count of RTC Device Units
+
 #### SYSGET Subfunction 0x40 -- Get Video Device Unit Count (VDACNT)
 
 |      _Entry Parameters_
diff --git a/Source/HBIOS/API.txt b/Source/HBIOS/API.txt
index 7b97b0cd..68e821be 100644
--- a/Source/HBIOS/API.txt
+++ b/Source/HBIOS/API.txt
@@ -49,6 +49,10 @@ GET ($F8):
       BC=Function/Subfunction                   A=Result
                                                 E=Disk Unit Count
 
+    RTCCNT ($20):
+      BC=Function/Subfunction                   A=Result
+                                                E=RTC Unit Count
+
     VDACNT ($40):
       BC=Function/Subfunction                   A=Result
                                                 E=Video Unit Count
diff --git a/Source/HBIOS/Config/MK4_std.asm b/Source/HBIOS/Config/MK4_std.asm
index c838d873..f4b0f325 100644
--- a/Source/HBIOS/Config/MK4_std.asm
+++ b/Source/HBIOS/Config/MK4_std.asm
@@ -37,7 +37,7 @@ CVDUENABLE	.SET	TRUE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 VGAENABLE	.SET	TRUE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_DIDE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_DIDE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/RCZ180_ext.asm b/Source/HBIOS/Config/RCZ180_ext.asm
index 9c587ada..dd2e4cda 100644
--- a/Source/HBIOS/Config/RCZ180_ext.asm
+++ b/Source/HBIOS/Config/RCZ180_ext.asm
@@ -40,7 +40,7 @@ ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/RCZ180_nat.asm b/Source/HBIOS/Config/RCZ180_nat.asm
index dc287783..d211d16a 100644
--- a/Source/HBIOS/Config/RCZ180_nat.asm
+++ b/Source/HBIOS/Config/RCZ180_nat.asm
@@ -40,7 +40,7 @@ ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/RCZ80_std.asm b/Source/HBIOS/Config/RCZ80_std.asm
index 5766331e..cf63ad1b 100644
--- a/Source/HBIOS/Config/RCZ80_std.asm
+++ b/Source/HBIOS/Config/RCZ80_std.asm
@@ -33,7 +33,7 @@ ACIAENABLE	.SET	TRUE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/SBC_std.asm b/Source/HBIOS/Config/SBC_std.asm
index 16acc300..ec701781 100644
--- a/Source/HBIOS/Config/SBC_std.asm
+++ b/Source/HBIOS/Config/SBC_std.asm
@@ -33,7 +33,7 @@ CVDUENABLE	.SET	TRUE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 VGAENABLE	.SET	TRUE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_DIO3	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_DIO3	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/SCZ180_126.asm b/Source/HBIOS/Config/SCZ180_126.asm
index 1da05c4b..e7549ccc 100644
--- a/Source/HBIOS/Config/SCZ180_126.asm
+++ b/Source/HBIOS/Config/SCZ180_126.asm
@@ -42,7 +42,7 @@ ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/Config/SCZ180_130.asm b/Source/HBIOS/Config/SCZ180_130.asm
index 13fc2f03..45b0cae3 100644
--- a/Source/HBIOS/Config/SCZ180_130.asm
+++ b/Source/HBIOS/Config/SCZ180_130.asm
@@ -48,7 +48,7 @@ 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)
 ;
-FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
+FDENABLE	.SET	FALSE		; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
diff --git a/Source/HBIOS/Config/SCZ180_131.asm b/Source/HBIOS/Config/SCZ180_131.asm
index c3b75a80..8a659714 100644
--- a/Source/HBIOS/Config/SCZ180_131.asm
+++ b/Source/HBIOS/Config/SCZ180_131.asm
@@ -49,7 +49,7 @@ ACIAENABLE	.SET	FALSE		; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
 SIOENABLE	.SET	FALSE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 ;
 FDENABLE	.SET	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3]
+FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 ;
 IDEENABLE	.SET	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 ;
diff --git a/Source/HBIOS/bqrtc.asm b/Source/HBIOS/bqrtc.asm
index 34854e22..f1c6a751 100644
--- a/Source/HBIOS/bqrtc.asm
+++ b/Source/HBIOS/bqrtc.asm
@@ -159,6 +159,10 @@ BQRTC_DISPATCH:
 	JP	Z, BQRTC_GETALM			; Get Alarm
 	DEC	A
 	JP	Z, BQRTC_SETALM			; Set Alarm
+	DEC	A
+	JP	Z, BQRTC_DEVICE			; Report RTC device info
+	CALL	PANIC
+	
 ;
 ; NVRAM FUNCTIONS ARE NOT AVAILABLE
 ;
@@ -328,6 +332,14 @@ BQRTC_SETALM:
 	; clean up and return
 	XOR	A				; Signal success
 	RET					; And return
+;
+; REPORT RTC DEVICE INFO
+;
+BQRTC_DEVICE:
+	LD	D,RTCDEV_BQ		; D := DEVICE TYPE
+	LD	E,0			; E := PHYSICAL DEVICE NUMBER
+	XOR	A			; SIGNAL SUCCESS
+	RET
 
 BQRTC_SUSPEND:
 	IN0	A, (BQRTC_CONTROL)		; Suspend Clock
diff --git a/Source/HBIOS/cfg_dyno.asm b/Source/HBIOS/cfg_dyno.asm
index 1322676b..6f85b242 100644
--- a/Source/HBIOS/cfg_dyno.asm
+++ b/Source/HBIOS/cfg_dyno.asm
@@ -102,7 +102,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_DYNO	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_DYNO	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_ezz80.asm b/Source/HBIOS/cfg_ezz80.asm
index 99e94ced..a6646994 100644
--- a/Source/HBIOS/cfg_ezz80.asm
+++ b/Source/HBIOS/cfg_ezz80.asm
@@ -127,7 +127,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_master.asm b/Source/HBIOS/cfg_master.asm
index c5ad1178..7c3f00ab 100644
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -165,7 +165,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_NONE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_NONE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_mk4.asm b/Source/HBIOS/cfg_mk4.asm
index 0b247c57..e869de18 100644
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -120,7 +120,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_N8	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_DIDE	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_n8.asm b/Source/HBIOS/cfg_n8.asm
index 20f54fb2..9e016cf8 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -123,7 +123,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_N8	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_N8	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_rcz180.asm b/Source/HBIOS/cfg_rcz180.asm
index 6a2b259d..2f04e152 100644
--- a/Source/HBIOS/cfg_rcz180.asm
+++ b/Source/HBIOS/cfg_rcz180.asm
@@ -130,7 +130,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_rcz80.asm b/Source/HBIOS/cfg_rcz80.asm
index 7682f2b7..61de3c2e 100644
--- a/Source/HBIOS/cfg_rcz80.asm
+++ b/Source/HBIOS/cfg_rcz80.asm
@@ -136,7 +136,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_sbc.asm b/Source/HBIOS/cfg_sbc.asm
index 0e751225..329944b4 100644
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -124,7 +124,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_DIO3	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_DIO3	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_scz180.asm b/Source/HBIOS/cfg_scz180.asm
index 24abe9f0..955790e7 100644
--- a/Source/HBIOS/cfg_scz180.asm
+++ b/Source/HBIOS/cfg_scz180.asm
@@ -125,7 +125,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	FALSE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_zeta.asm b/Source/HBIOS/cfg_zeta.asm
index 865f2506..979d4975 100644
--- a/Source/HBIOS/cfg_zeta.asm
+++ b/Source/HBIOS/cfg_zeta.asm
@@ -99,7 +99,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_ZETA	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_ZETA	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/cfg_zeta2.asm b/Source/HBIOS/cfg_zeta2.asm
index 0109f702..31b97c7f 100644
--- a/Source/HBIOS/cfg_zeta2.asm
+++ b/Source/HBIOS/cfg_zeta2.asm
@@ -109,7 +109,7 @@ MDENABLE	.EQU	TRUE		; MD: ENABLE MEMORY (ROM/RAM) DISK DRIVER (MD.ASM)
 MDTRACE		.EQU	1		; MD: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 ;
 FDENABLE	.EQU	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-FDMODE		.EQU	FDMODE_ZETA2	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|DIDE|N8|DIO3|DYNO]
+FDMODE		.EQU	FDMODE_ZETA2	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
 FDTRACE		.EQU	1		; FD: TRACE LEVEL (0=NO,1=FATAL,2=ERRORS,3=ALL)
 FDMEDIA		.EQU	FDM144		; FD: DEFAULT MEDIA FORMAT FDM[720|144|360|120|111]
 FDMEDIAALT	.EQU	FDM720		; FD: ALTERNATE MEDIA FORMAT FDM[720|144|360|120|111]
diff --git a/Source/HBIOS/dbgmon.asm b/Source/HBIOS/dbgmon.asm
index 9e4c8a3a..7091f309 100644
--- a/Source/HBIOS/dbgmon.asm
+++ b/Source/HBIOS/dbgmon.asm
@@ -104,6 +104,8 @@ SERIALCMDLOOP:
 	JP	Z,FILLMEM		; FILL MEMORY COMMAND
 	CP	'H'			; IS IT A "H" (Y/N)
 	JP	Z,HELP			; HELP COMMAND
+	CP	'X'			; IS IT A "X" (Y/N)
+	JP	Z,HALT			; HALT COMMAND
 	LD	HL,TXT_COMMAND		; POINT AT ERROR TEXT
 	CALL	PRTSTRH			; PRINT COMMAND LABEL
 
@@ -150,6 +152,16 @@ BOOT:
 	LD	HL,0			; ADDRESS ZERO
 	CALL	HB_BNKCALL		; DOES NOT RETURN
 #ENDIF
+;
+;__HALT_______________________________________________________________________
+;
+;	PERFORM HALT ACTION
+;_____________________________________________________________________________
+;
+HALT:
+	DI
+	HALT
+;
 ;__RUN________________________________________________________________________
 ;
 ;	TRANSFER OUT OF MONITOR, USER OPTION "R"
@@ -912,6 +924,7 @@ TXT_HELP	.TEXT	"\r\nMonitor Commands (all values in hex):"
 		.TEXT	"\r\nO xx yy          - Output to port xx value yy"
 		.TEXT	"\r\nP xxxx           - Program RAM at xxxx"
 		.TEXT	"\r\nR xxxx           - Run code at xxxx"
+		.TEXT	"\r\nX                - Halt system"
 		.TEXT	"$"
 ;
 #IF DSKYENABLE
diff --git a/Source/HBIOS/dsrtc.asm b/Source/HBIOS/dsrtc.asm
index 5bcd596f..01d2f171 100644
--- a/Source/HBIOS/dsrtc.asm
+++ b/Source/HBIOS/dsrtc.asm
@@ -235,12 +235,20 @@ DSRTC_DISPATCH:
 	JP	Z,DSRTC_GETBLK	; GET NVRAM DATA BLOCK VALUES
 	DEC	A
 	JP	Z,DSRTC_SETBLK	; SET NVRAM DATA BLOCK VALUES 
+	DEC	A
+	JP	Z,DSRTC_GETALM	; GET ALARM
+	DEC	A
+	JP	Z,DSRTC_SETALM	; SET ALARM 
+	DEC	A
+	JP	Z,DSRTC_DEVICE	; REPORT RTC DEVICE INFO
 	CALL	PANIC
 ;
 ; NVRAM FUNCTIONS ARE NOT AVAILABLE IN SIMULATOR
 ;
 DSRTC_GETBLK:
 DSRTC_SETBLK:
+DSRTC_GETALM:
+DSRTC_SETALM:
 	CALL	PANIC
 ;
 ; RTC GET TIME
@@ -350,6 +358,14 @@ DSRTC_SETBYT:
 	XOR	A			; SIGNAL SUCCESS
 	RET				; DONE
 ;
+; REPORT RTC DEVICE INFO
+;
+DSRTC_DEVICE:
+	LD	D,RTCDEV_DS		; D := DEVICE TYPE
+	LD	E,0			; E := PHYSICAL DEVICE NUMBER
+	XOR	A			; SIGNAL SUCCESS
+	RET
+;
 ; CONVERT DATA IN CLOCK BUFFER TO TIME BUFFER AT HL
 ;
 DSRTC_CLK2TIM:
diff --git a/Source/HBIOS/fd.asm b/Source/HBIOS/fd.asm
index df2673be..5c8f7bc0 100644
--- a/Source/HBIOS/fd.asm
+++ b/Source/HBIOS/fd.asm
@@ -61,6 +61,13 @@ FDC_DOR		.EQU	FDC_BASE + $02	; DIGITAL OUTPUT REGISTER
 FDC_DCR		.EQU	FDC_BASE + $03	; CONFIGURATION CONTROL REGISTER
 FDC_TC		.EQU	FDC_BASE + $02	; TERMINAL COUNT (W/ DACK)
 #ENDIF
+#IF (FDMODE == FDMODE_EPFDC)
+FDC_MSR		.EQU	$48		; 8272 MAIN STATUS REGISTER
+FDC_DATA	.EQU	$49		; 8272 DATA PORT
+FDC_DOR		.EQU	$4A		; DIGITAL OUTPUT REGISTER
+FDC_DCR		.EQU	$4B		; CONFIGURATION CONTROL REGISTER
+FDC_TC		.EQU	$4C		; TERMINAL COUNT (W/ DACK)
+#ENDIF
 ;
 ; DISK OPERATIONS
 ;
@@ -399,7 +406,7 @@ DOR_INIT	.EQU	11100000B	; INITIAL DEFAULT LATCH VALUE
 ;
 ; *** DIDE/N8/ZETA V2 ***
 ;
-#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO))
+#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO) | (FDMODE == FDMODE_EPFDC))
 DOR_INIT	.EQU	00001100B	; SOFT RESET INACTIVE, DMA ENABLED
 DOR_BR250	.EQU	DOR_INIT
 DOR_BR500	.EQU	DOR_INIT
@@ -1235,7 +1242,7 @@ FC_SETDOR
 ;
 ; SET FST_DCR
 ;
-#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO))
+#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO) | (FDMODE == FDMODE_EPFDC))
 ;
 FC_SETDCR
 	LD	(FST_DCR),A
@@ -1267,7 +1274,7 @@ FC_RESETFDC:
 #IF ((FDMODE == FDMODE_ZETA) | (FDMODE == FDMODE_DIO3) | (FDMODE == FDMODE_RCSMC))
 	RES	7,A
 #ENDIF
-#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO))
+#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO) | (FDMODE == FDMODE_EPFDC))
 	LD	A,0
 #ENDIF
 	CALL	FC_SETDOR
@@ -1282,7 +1289,7 @@ FC_RESETFDC:
 ; PULSE TERMCT TO TERMINATE ANY ACTIVE EXECUTION PHASE
 ;
 FC_PULSETC:
-#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO))
+#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO) | (FDMODE == FDMODE_EPFDC))
 	IN	A,(FDC_TC)
 #ELSE
 	LD	A,(FST_DOR)
@@ -1339,7 +1346,7 @@ FC_MOTORON1:
 	CP	C			; COMPARE TO NEW MOTOR BITS
 	RET	Z			; SKIP DELAY, MOTOR WAS ALREADY ON
 #ENDIF
-#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO))
+#IF ((FDMODE == FDMODE_DIDE) | (FDMODE == FDMODE_N8) | (FDMODE == FDMODE_ZETA2) | (FDMODE == FDMODE_RCWDC) | (FDMODE == FDMODE_DYNO) | (FDMODE == FDMODE_EPFDC))
 	; SETUP DCR FOR DIDE HARDWARE
 	LD	A,(FCD_DCR)		; GET NEW DCR VALUE
 	CALL	FC_SETDCR		; AND IMPLEMENT IT
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 865e2005..708b57ef 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -2428,6 +2428,8 @@ SYS_GET:
 	JR	Z,SYS_GETCIOCNT
 	CP	BF_SYSGET_DIOCNT
 	JR	Z,SYS_GETDIOCNT
+	CP	BF_SYSGET_RTCCNT
+	JR	Z,SYS_GETRTCCNT
 	CP	BF_SYSGET_VDACNT
 	JR	Z,SYS_GETVDACNT
 	CP	BF_SYSGET_SNDCNT
@@ -2543,6 +2545,18 @@ SYS_GETDIOCNT:
 	XOR	A			; SIGNALS SUCCESS
 	RET
 ;
+; GET RTC UNIT COUNT
+;
+SYS_GETRTCCNT:
+	LD	E,0			; ASSUME 0 RTC DEVICES
+	LD	A,(RTC_DISPACT)		; IS RTC ACTIVE?
+	OR	A			; SET FLAGS
+	JR	Z,SYS_GETRTCCNT1	; IF NONE, DONE
+	INC	E			; SET ONE DEVICE 
+SYS_GETRTCCNT1:
+	XOR	A			; SIGNALS SUCCESS
+	RET
+;
 ; GET VIDEO UNIT COUNT
 ;
 SYS_GETVDACNT:
diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index 17a9ae23..a0f22099 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -32,6 +32,9 @@ BF_RTCGETBYT	.EQU	BF_RTC + 2	; GET NVRAM BYTE BY INDEX
 BF_RTCSETBYT	.EQU	BF_RTC + 3	; SET NVRAM BYTE BY INDEX
 BF_RTCGETBLK	.EQU	BF_RTC + 4	; GET NVRAM DATA BLOCK
 BF_RTCSETBLK	.EQU	BF_RTC + 5	; SET NVRAM DATA BLOCK
+BF_RTCGETALM	.EQU	BF_RTC + 6	; GET ALARM
+BF_RTCSETALM	.EQU	BF_RTC + 7	; SET ALARM
+BF_RTCDEVICE	.EQU	BF_RTC + 8	; RTC DEVICE INFO REPORT
 ;
 BF_EMU		.EQU	$30		; DEPRECATED
 ;
@@ -55,16 +58,22 @@ BF_VDAKRD	.EQU	BF_VDA + 14	; READ KEYBOARD
 BF_SND		.EQU	$50
 BF_SNDRESET	.EQU	BF_SND + 0	; RESET SOUND SYSTEM
 BF_SNDVOL	.EQU	BF_SND + 1	; REQUEST SOUND VOL - L CONTAINS VOLUME (255 MAX, 0 SILENT) - SCALED AS REQUIRED BY DRIVER (EG: MAPS TO JUST 4 BIT RESOLUTION FOR SN76489)
-BF_SNDPIT	.EQU	BF_SND + 2	; REQUEST SOUND PITCH - HL CONTAINS PITCH DRIVER SPECIFIC VALUE
+BF_SNDPRD	.EQU	BF_SND + 2	; REQUEST SOUND PERIOD - HL CONTAINS DRIVER SPECIFIC VALUE
 BF_SNDNOTE	.EQU	BF_SND + 3	; REQUEST NOTE - L CONTAINS NOTE - EACH VALUE IS QUARTER NOTE
 BF_SNDPLAY	.EQU	BF_SND + 4	; INITIATE THE REQUESTED SOUND COMMAND
-BF_SNDQUERY	.EQU	BF_SND + 5	; D IS CHANNEL, E IS SUBCOMMAND
+BF_SNDQUERY	.EQU	BF_SND + 5	; E IS SUBFUNCTION
 ;
 ; BF_SNDQUERY SUBCOMMANDS
 BF_SNDQ_STATUS		.EQU	0
 BF_SNDQ_CHCNT		.EQU	BF_SNDQ_STATUS + 1	; RETURN COUNT OF CHANNELS
-BF_SNDQ_SVOLUME		.EQU	BF_SNDQ_STATUS + 2	; 8 BIT NUMBER
-BF_SNDQ_SPITCH		.EQU	BF_SNDQ_STATUS + 3	; 16 BIT NUMBER
+BF_SNDQ_VOLUME		.EQU	BF_SNDQ_STATUS + 2	; 8 BIT NUMBER
+BF_SNDQ_PERIOD		.EQU	BF_SNDQ_STATUS + 3	; 16 BIT NUMBER
+BF_SNDQ_DEV		.EQU	BF_SNDQ_STATUS + 4	; RETURN DEVICE TYPE CODE AND IO PORTS - TYPE IN B, PORTS IN DE, HL
+
+BF_SNDDEV		.EQU	0			; TYPES OF SOUND DRIVERS
+BF_SND_SN76489		.EQU	BF_SNDDEV + 1
+BF_SND_SNAY38910	.EQU	BF_SNDDEV + 2
+
 ;
 BF_SYS		.EQU	$F0
 BF_SYSRESET	.EQU	BF_SYS + 0	; SOFT RESET HBIOS
@@ -83,6 +92,7 @@ BF_SYSINT	.EQU	BF_SYS + 12	; MANAGE INTERRUPT VECTORS
 ;
 BF_SYSGET_CIOCNT	.EQU	$00	; GET CHAR UNIT COUNT
 BF_SYSGET_DIOCNT	.EQU	$10	; GET DISK UNIT COUNT
+BF_SYSGET_RTCCNT	.EQU	$20	; GET RTC UNIT COUNT
 BF_SYSGET_VDACNT	.EQU	$40	; GET VDA UNIT COUNT
 BF_SYSGET_SNDCNT	.EQU	$50	; GET VDA UNIT COUNT
 BF_SYSGET_TIMER		.EQU	$D0	; GET CURRENT TIMER VALUE
@@ -102,6 +112,20 @@ BF_SYSINT_SET		.EQU	$20	; SET INT VECTOR ADDRESS
 ;
 CIO_CONSOLE		.EQU	$80	; CIO UNIT NUM FOR CUR CON
 ;
+; MEDIA ID VALUES
+;
+MID_NONE	.EQU	0
+MID_MDROM	.EQU	1
+MID_MDRAM	.EQU	2
+MID_RF		.EQU	3
+MID_HD		.EQU	4
+MID_FD720	.EQU	5
+MID_FD144	.EQU	6
+MID_FD360	.EQU	7
+MID_FD120	.EQU	8
+MID_FD111	.EQU	9
+MID_HDNEW	.EQU	10
+;
 ; CHAR DEVICE IDS
 ;
 CIODEV_UART	.EQU	$00
@@ -134,6 +158,13 @@ DIODEV_PRPSD	.EQU	$70
 DIODEV_PPPSD	.EQU	$80
 DIODEV_HDSK	.EQU	$90
 ;
+; RTC DEVICE IDS
+;
+RTCDEV_DS	.EQU	$00		; DS1322
+RTCDEV_BQ	.EQU	$10		; BQ4845P
+RTCDEV_SIMH	.EQU	$30		; SIMH
+RTCDEV_INT	.EQU	$40		; PERIODIC INT TIMER
+;
 ; VIDEO DEVICE IDS
 ;
 VDADEV_VDU	.EQU	$00		; ECB VDU - MOTOROLA 6545
diff --git a/Source/HBIOS/intrtc.asm b/Source/HBIOS/intrtc.asm
index 0414a286..a7d05ac7 100644
--- a/Source/HBIOS/intrtc.asm
+++ b/Source/HBIOS/intrtc.asm
@@ -50,6 +50,12 @@ INTRTC_DISPATCH:
 	JP	Z,INTRTC_GETBLK	; GET NVRAM DATA BLOCK VALUES
 	DEC	A
 	JP	Z,INTRTC_SETBLK	; SET NVRAM DATA BLOCK VALUES 
+	DEC	A
+	JP	Z,INTRTC_GETALM	; GET ALARM
+	DEC	A
+	JP	Z,INTRTC_SETALM	; SET ALARM 
+	DEC	A
+	JP	Z,INTRTC_DEVICE	; REPORT RTC DEVICE INFO
 	CALL	PANIC
 ;
 ; NVRAM FUNCTIONS ARE NOT AVAILABLE IN SIMULATOR
@@ -58,6 +64,8 @@ INTRTC_GETBYT:
 INTRTC_SETBYT:
 INTRTC_GETBLK:
 INTRTC_SETBLK:
+INTRTC_GETALM:
+INTRTC_SETALM:
 	CALL	PANIC
 ;
 ; RTC GET TIME
@@ -119,6 +127,14 @@ INTRTC_SETTIM:
 	XOR	A			; SIGNAL SUCCESS
 	RET				; AND RETURN
 ;
+; REPORT RTC DEVICE INFO
+;
+INTRTC_DEVICE:
+	LD	D,RTCDEV_INT		; D := DEVICE TYPE
+	LD	E,0			; E := PHYSICAL DEVICE NUMBER
+	XOR	A			; SIGNAL SUCCESS
+	RET
+;
 ; HANDLER FOR TIMER SECONDS INTERRUPT
 ;
 INTRTC_INT:
diff --git a/Source/HBIOS/simrtc.asm b/Source/HBIOS/simrtc.asm
index 8be545c3..0185bd93 100644
--- a/Source/HBIOS/simrtc.asm
+++ b/Source/HBIOS/simrtc.asm
@@ -49,6 +49,12 @@ SIMRTC_DISPATCH:
 	JP	Z,SIMRTC_GETBLK	; GET NVRAM DATA BLOCK VALUES
 	DEC	A
 	JP	Z,SIMRTC_SETBLK	; SET NVRAM DATA BLOCK VALUES 
+	DEC	A
+	JP	Z,SIMRTC_GETALM	; GET ALARM
+	DEC	A
+	JP	Z,SIMRTC_SETALM	; SET ALARM 
+	DEC	A
+	JP	Z,SIMRTC_DEVICE	; REPORT RTC DEVICE INFO
 	CALL	PANIC
 ;
 ; NVRAM FUNCTIONS ARE NOT AVAILABLE IN SIMULATOR
@@ -57,6 +63,8 @@ SIMRTC_GETBYT:
 SIMRTC_SETBYT:
 SIMRTC_GETBLK:
 SIMRTC_SETBLK:
+SIMRTC_GETALM:
+SIMRTC_SETALM:
 	CALL	PANIC
 ;
 ; RTC GET TIME
@@ -121,6 +129,14 @@ SIMRTC_SETTIM:
 	XOR	A			; SIGNAL SUCCESS
 	RET				; AND RETURN
 ;
+; REPORT RTC DEVICE INFO
+;
+SIMRTC_DEVICE:
+	LD	D,RTCDEV_SIMH		; D := DEVICE TYPE
+	LD	E,0			; E := PHYSICAL DEVICE NUMBER
+	XOR	A			; SIGNAL SUCCESS
+	RET
+;
 ; WORKING VARIABLES
 ;
 SIMRTC_BUF:	; ALL IN BCD!!!
diff --git a/Source/HBIOS/sn76489.asm b/Source/HBIOS/sn76489.asm
index 3c12acb6..4ce9546b 100644
--- a/Source/HBIOS/sn76489.asm
+++ b/Source/HBIOS/sn76489.asm
@@ -33,9 +33,9 @@ SN7_LAST_NOTE	.EQU	209300		; C7
 A1S		.EQU	SN7RATIO / SN7_FIRST_NOTE
 C7		.EQU	SN7RATIO / SN7_LAST_NOTE
 
-       .ECHO "SN76489: range of A1# (pitch: "
+       .ECHO "SN76489: range of A1# (period: "
        .ECHO A1S
-       .ECHO ") to C7 (pitch: "
+       .ECHO ") to C7 (period: "
        .ECHO C7
        .ECHO ")\n"
 
@@ -132,48 +132,78 @@ SN7_NOTE:
 	LD	HL, SN7NOTETBL
 	ADD	HL, DE
 
-	LD	A, (HL)			; RETRIEVE PITCH COUNT FROM SN7NOTETBL
+	LD	A, (HL)			; RETRIEVE PERIOD COUNT FROM SN7NOTETBL
 	INC	HL
 	LD	H, (HL)
 	LD	L, A
 
-	JR	SN7_PITCH		; APPLY PITCH
+	JR	SN7_PERIOD		; APPLY PERIOD
 
 SN7_NOTE1:
 	OR	$FF			; NOT IMPLEMENTED YET
 	RET
 
-SN7_PITCH:
-	AUDDEBUG("SN7PIT ")
+SN7_PERIOD:
+	AUDDEBUG("SN7PRD ")
 	AUDTRACE_HL
 	AUDDEBUG("\r\n")
-	LD	(PENDING_PITCH), HL
 
+	LD	A, H
+	CP	$04
+	JP	NC, SN7_QUERY_PERIOD1	; RETURN NZ IF NUMBER TOO LARGE
+
+	LD	(PENDING_PERIOD), HL
 	XOR	A			; SIGNAL SUCCESS
 	RET
 
+SN7_QUERY_PERIOD1:			; REQUESTED PERIOD IS LARGER THAN THE SN76489 CAN SUPPORT
+	LD	L, $FF
+	LD	H, $FF
+	LD	(PENDING_PERIOD), HL
+
+	OR	$FF			; SIGNAL FAILURE
+	RET
+
 SN7_PLAY:
 	AUDDEBUG("SN7PLY ")
 	AUDTRACE_D
 	AUDDEBUG("\r\n")
 
+	LD	A, (PENDING_PERIOD + 1)
+	CP	$FF
+	JR	Z, SN7_PLAY1		; PERIOD IS TOO LARGE, UNABLE TO PLAY
 	CALL	SN7_APPLY_VOL
-	CALL	SN7_APPLY_PIT
+	CALL	SN7_APPLY_PRD
 
 	XOR	A			; SIGNAL SUCCESS
 	RET
 
+SN7_PLAY1:				; TURN CHANNEL VOL TO OFF AND STOP PLAYING
+	LD	A, (PENDING_VOLUME)
+	PUSH	AF
+	LD	A, 0
+	LD	(PENDING_VOLUME), A
+	CALL	SN7_APPLY_VOL
+	POP	AF
+	LD	(PENDING_VOLUME), A
+
+	OR	$FF			; SIGNAL FAILURE
+	RET
+
 SN7_QUERY:
 	LD	A, E
 	CP	BF_SNDQ_CHCNT
 	JR	Z, SN7_QUERY_CHCNT
 
-	CP	BF_SNDQ_SPITCH
-	JR	Z, SN7_QUERY_PITCH
+	CP	BF_SNDQ_PERIOD
+	JR	Z, SN7_QUERY_PERIOD
 
-	CP	BF_SNDQ_SVOLUME
+	CP	BF_SNDQ_VOLUME
 	JR	Z, SN7_QUERY_VOLUME
 
+	CP	BF_SNDQ_DEV
+	JR	Z, SN7_QUERY_DEV
+
 	OR	$FF			; SIGNAL FAILURE
 	RET
 
@@ -183,9 +213,8 @@ SN7_QUERY_CHCNT:
 	XOR	A
 	RET
 
-SN7_QUERY_PITCH:
-	LD	HL, (PENDING_PITCH)
-
+SN7_QUERY_PERIOD:
+	LD	HL, (PENDING_PERIOD)
 	XOR	A
 	RET
 
@@ -197,6 +226,14 @@ SN7_QUERY_VOLUME:
 	XOR	A
 	RET
 
+SN7_QUERY_DEV:
+
+	LD	B, BF_SND_SN76489
+	LD	DE, SN76489_PORT_LEFT 	; E WITH LEFT PORT
+	LD	HL, SN76489_PORT_RIGHT	; L WITH RIGHT PORT
+
+	XOR	A
+	RET
 ;
 ;	UTIL FUNCTIONS
 ;
@@ -238,11 +275,11 @@ SN7_APPLY_VOL:				; APPLY VOLUME TO BOTH LEFT AND RIGHT CHANNELS
 	POP	BC
 	RET
 
-SN7_APPLY_PIT:
+SN7_APPLY_PRD:
 	PUSH	DE
 	PUSH	BC
 	PUSH	AF
-	LD	HL, (PENDING_PITCH)
+	LD	HL, (PENDING_PERIOD)
 
 	LD	A, D
 	AND	$3
@@ -252,11 +289,11 @@ SN7_APPLY_PIT:
 	RLCA
 	RLCA
 	OR	$80
-	LD	B, A			; PITCH COMMAND 1 - CONTAINS CHANNEL ONLY
+	LD	B, A			; PERIOD COMMAND 1 - CONTAINS CHANNEL ONLY
 
 	LD	A, L			; GET LOWER 4 BITS FOR COMMAND 1
 	AND	$F
-	OR	B			; A NOW CONATINS FIRST PITCH COMMAND
+	OR	B			; A NOW CONATINS FIRST PERIOD COMMAND
 
 	AUDTRACE(TRACE_PORT_WR)
 	AUDTRACE_A
@@ -279,7 +316,7 @@ SN7_APPLY_PIT:
 	RLCA
 	RLCA
 	RLCA				; AND PLACE IN BITS 5 AND 6
-	OR	B			; OR THE TWO SETS OF BITS TO MAKE 2ND PITCH COMMAND
+	OR	B			; OR THE TWO SETS OF BITS TO MAKE 2ND PERIOD COMMAND
 
 	AUDTRACE(TRACE_PORT_WR)
 	AUDTRACE_A
@@ -297,7 +334,7 @@ SN7_APPLY_PIT:
 SN7_FNTBL:
 	.DW	SN7_RESET
 	.DW	SN7_VOLUME
-	.DW	SN7_PITCH
+	.DW	SN7_PERIOD
 	.DW	SN7_NOTE
 	.DW	SN7_PLAY
 	.DW	SN7_QUERY
@@ -307,8 +344,8 @@ SN7_FNTBL:
 	!!!!!
 #ENDIF
 
-PENDING_PITCH
-	.DW	0		; PENDING PITCH (10 BITS)
+PENDING_PERIOD
+	.DW	0		; PENDING PERIOD (10 BITS)
 PENDING_VOLUME
 	.DB	0		; PENDING VOL (8 BITS -> DOWNOVERTED TO 4 BITS AND INVERTED)
 
@@ -322,8 +359,8 @@ TRACE_VOLUME_SET	.DB	"\r\nSN7_VOLUME_SET CH: $"
 TRACE_PLAY		.DB	"\r\nPLAY\r\n$"
 TRACE_VOLUME		.DB	", VOL: $"
 TRACE_PORT_WR		.DB	"\r\nOUT SN76489, $"
-TRACE_PITCH_SET		.DB	"\r\nSN7_PITCH_SET CH: $"
-TRACE_PITCH		.DB	", PITCH: $"
+TRACE_PERIOD_SET		.DB	"\r\nSN7_PERIOD_SET CH: $"
+TRACE_PERIOD		.DB	", PERIOD: $"
 TRACE_NEWLINE		.DB	"\r\n$"
 #ENDIF
 
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index cbd8f0a3..b62a6486 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -89,19 +89,6 @@ FDM360		.EQU	2		; 5.25" FLOPPY, 360KB, 2 SIDES, 40 TRKS, 9 SECTORS
 FDM120		.EQU	3		; 5.25" FLOPPY, 1.2MB, 2 SIDES, 80 TRKS, 15 SECTORS
 FDM111		.EQU	4		; 8" FLOPPY, 1.11MB, 2 SIDES, 74 TRKS, 15 SECTORS
 ;
-; MEDIA ID VALUES
-;
-MID_NONE	.EQU	0
-MID_MDROM	.EQU	1
-MID_MDRAM	.EQU	2
-MID_RF		.EQU	3
-MID_HD		.EQU	4
-MID_FD720	.EQU	5
-MID_FD144	.EQU	6
-MID_FD360	.EQU	7
-MID_FD120	.EQU	8
-MID_FD111	.EQU	9
-;
 ; ZILOG CTC MODE SELECTIONS
 ;
 CTCMODE_NONE	.EQU	0		; NO CTC
@@ -141,6 +128,7 @@ FDMODE_DIO3	.EQU	6		; DISKIO V3
 FDMODE_RCSMC	.EQU	7		; RC2014 SMC 9266 @ $40 (SCOTT BAKER)
 FDMODE_RCWDC	.EQU	8		; RC2014 WDC 37C65 @ $40 (SCOTT BAKER)
 FDMODE_DYNO	.EQU	9		; DYNO WDC 37C65 @ $84
+FDMODE_EPFDC	.EQU	10		; RC2014 ETCHED PIXELS FDC
 ;
 ; IDE MODE SELECTIONS
 ;
diff --git a/Source/HBIOS/util.asm b/Source/HBIOS/util.asm
index a1ca84ff..8dc066db 100644
--- a/Source/HBIOS/util.asm
+++ b/Source/HBIOS/util.asm
@@ -187,9 +187,9 @@ PRTHEXWORD:
 ;
 PRTHEXWORDHL:
 	PUSH	AF
-	LD	A,D
+	LD	A,H
 	CALL	PRTHEXBYTE
-	LD	A,E
+	LD	A,L
 	CALL	PRTHEXBYTE
 	POP	AF
 	RET
diff --git a/Source/ver.inc b/Source/ver.inc
index 311c55f8..f107c6e7 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	0
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1-pre.12"
+#DEFINE BIOSVER	"3.1-pre.14"
diff --git a/Source/ver.lib b/Source/ver.lib
index f5cc5c1c..d54675fa 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	0
 rtp	equ	0
 biosver	macro
-	db	"3.1-pre.12"
+	db	"3.1-pre.14"
 	endm