diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index 19b6c364..27775981 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 236b127a..5a4c1402 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 08d9fe75..7d0a6528 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 23254d00..4bca51e3 100644
Binary files a/Doc/RomWBW Getting Started.pdf and b/Doc/RomWBW Getting Started.pdf differ
diff --git a/ReadMe.md b/ReadMe.md
index f36aeaa5..e7a8b863 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -3,7 +3,7 @@
 ## Z80/Z180 System Software
 
 Version 3.1 Pre-release  
-Tuesday 5 January 2021
+Friday 15 January 2021
 
 Wayne Warthen <wwarthen@gmail.com>
 
@@ -37,7 +37,7 @@ General features include:
   - Disk drivers for RAM, ROM, Floppy, IDE, CF, and SD
   - Serial drivers including UART (16550-like), ASCI, ACIA, SIO
   - Video drivers including TMS9918, SY6545, MOS8563, HD6445
-  - Real time clock drivers including DS1322, BQ4845
+  - Real time clock drivers including DS1302, BQ4845
   - Multiple OS support including CP/M 2.2, ZSDOS, CP/M 3, ZPM3
   - Built-in VT-100 terminal emulation support
 
diff --git a/ReadMe.txt b/ReadMe.txt
index 1ba93914..12c59c23 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -3,7 +3,7 @@ RomWBW
 Z80/Z180 System Software
 
 Version 3.1 Pre-release
-Tuesday 5 January 2021
+Friday 15 January 2021
 
 Wayne Warthen wwarthen@gmail.com
 
@@ -33,7 +33,7 @@ General features include:
 -   Disk drivers for RAM, ROM, Floppy, IDE, CF, and SD
 -   Serial drivers including UART (16550-like), ASCI, ACIA, SIO
 -   Video drivers including TMS9918, SY6545, MOS8563, HD6445
--   Real time clock drivers including DS1322, BQ4845
+-   Real time clock drivers including DS1302, BQ4845
 -   Multiple OS support including CP/M 2.2, ZSDOS, CP/M 3, ZPM3
 -   Built-in VT-100 terminal emulation support
 
diff --git a/Source/HBIOS/romldr.asm b/Source/HBIOS/romldr.asm
index fafa28a6..38ff1a29 100644
--- a/Source/HBIOS/romldr.asm
+++ b/Source/HBIOS/romldr.asm
@@ -444,14 +444,14 @@ setcon:
 	jp	c,err_nocon		; handle overflow error
 ;
 	; Check against max char unit
-	PUSH	DE
+	push	de
 	push	af			; save requested unit
 	ld	b,BF_SYSGET		; HBIOS func: SYS GET
 	ld	c,BF_SYSGET_CIOCNT	; HBIOS subfunc: CIO unit count
 	rst	08			; E := unit count
 	pop	af			; restore requested unit
 	cp	e			; compare
-	POP	DE
+	pop	de
 	jp	nc,err_nocon		; handle invalid unit
 	ld	(newcon),a		; save validated console
 ;
diff --git a/Source/HBIOS/sd.asm b/Source/HBIOS/sd.asm
index b8df9f64..c3707e69 100644
--- a/Source/HBIOS/sd.asm
+++ b/Source/HBIOS/sd.asm
@@ -1320,6 +1320,10 @@ SD_INITCMD1:
 	INC	HL			; POINT TO NEXT BYTE
 	LD	(HL),A			; CLEAR IT
 	DJNZ	SD_INITCMD1		; LOOP TILL DONE
+	; CRC POSITION SHOULD BE COMPLETELY IGNORED BECAUSE WE DON'T
+	; ENABLE IT AND WE ARE IN SPI MODE.  HOWEVER, AT LEAST ONE SD
+	; CARD IS KNOWN TO FAIL ANY COMMAND WHERE THE CRC POSITION
+	; IS NOT $FF!  SO, BELOW WE STUFF THE CRC POSITION WITH $FF.
 	DEC	A			; $FF TO ACCUM
 	LD	(SD_CMDCRC),A		; PUT $FF IN CRC POSITION
 	RET
diff --git a/Source/HBIOS/unlzsa2s.asm b/Source/HBIOS/unlzsa2s.asm
index 5709fc07..02de89cb 100644
--- a/Source/HBIOS/unlzsa2s.asm
+++ b/Source/HBIOS/unlzsa2s.asm
@@ -82,10 +82,12 @@
 		#DEFCONT \ lddr
 
 	#ENDIF
+	
+	.ECHO	"UNLZSA2 for "
 
 	#IFDEF	HD64180
 
-		.ECHO	"HD64180 "
+		.ECHO	"HD64180"
 
 		#DEFINE LD_IX_DE \
 		#DEFCONT \ ld ixl,e \ ld ixh,d
@@ -95,7 +97,7 @@
 
 	#ELSE
 
-		.ECHO	"Z80 "
+		.ECHO	"Z80"
 
 		#DEFINE LD_IX_DE \
 		#DEFCONT \ push de \ pop ix
@@ -104,6 +106,8 @@
 		#DEFCONT \ push ix \ pop de
 
 	#ENDIF
+	
+	.ECHO	".\n"
 
 DLZSA2:
 		xor a \ ld b,a \ ex af,af' \ jr ReadToken
diff --git a/Source/ver.inc b/Source/ver.inc
index 29bea73d..6830eb97 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1.1-pre.27"
+#DEFINE BIOSVER	"3.1.1-pre.28"
diff --git a/Source/ver.lib b/Source/ver.lib
index b773165e..9bd6e1f1 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	1
 rtp	equ	0
 biosver	macro
-	db	"3.1.1-pre.27"
+	db	"3.1.1-pre.28"
 	endm