diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index e5c11a9e..a2f6dab2 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -27,6 +27,8 @@ Version 3.1.1
 - WBW: COPY.COM updated from v1.72 -> v1.73 throughout distribution
 - D?M: CP/NET for CP/M 2.2 and CP/M 3 (requires MT011)
 - D?M: SD driver fixes for MT011
+- J?C: Added FIND application from Jay Cotton
+- PMS: Preliminary support for I2C-based DS1307 clock
 
 Version 3.1
 -----------
diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index 27775981..78024561 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 5a4c1402..32fd994e 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 7d0a6528..56db6345 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 4bca51e3..4c1b6f4a 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 e7a8b863..87c3b432 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -3,7 +3,7 @@
 ## Z80/Z180 System Software
 
 Version 3.1 Pre-release  
-Friday 15 January 2021
+Saturday 13 March 2021
 
 Wayne Warthen <wwarthen@gmail.com>
 
diff --git a/ReadMe.txt b/ReadMe.txt
index 12c59c23..76559f40 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -3,7 +3,7 @@ RomWBW
 Z80/Z180 System Software
 
 Version 3.1 Pre-release
-Friday 15 January 2021
+Saturday 13 March 2021
 
 Wayne Warthen wwarthen@gmail.com
 
diff --git a/Source/Apps/Makefile b/Source/Apps/Makefile
index aa349004..dd0ae956 100644
--- a/Source/Apps/Makefile
+++ b/Source/Apps/Makefile
@@ -1,6 +1,6 @@
 OBJECTS = SysGen.com Survey.com \
 	SysCopy.com Assign.com Format.com Talk.com Mode.com RTC.com \
-	Timer.com IntTest.com rtcds7.com rtcds7.com
+	Timer.com IntTest.com RTCds7.com RTChb.com
 OTHERS = *.hex *.com
 SUBDIRS = XM FDU FAT Tune
 DEST = ../../Binary/Apps
diff --git a/Source/Apps/rtcds7.asm b/Source/Apps/RTCds7.asm
similarity index 95%
rename from Source/Apps/rtcds7.asm
rename to Source/Apps/RTCds7.asm
index 20d790db..a2ac01e5 100644
--- a/Source/Apps/rtcds7.asm
+++ b/Source/Apps/RTCds7.asm
@@ -701,5 +701,3 @@ BDO:	PUSH HL
 	RET
 ;
         .END
-
-
\ No newline at end of file
diff --git a/Source/Apps/rtchb.asm b/Source/Apps/RTChb.asm
similarity index 92%
rename from Source/Apps/rtchb.asm
rename to Source/Apps/RTChb.asm
index 9003f9d9..cf4669bf 100644
--- a/Source/Apps/rtchb.asm
+++ b/Source/Apps/RTChb.asm
@@ -216,5 +216,3 @@ BDO:	PUSH HL
 	RET
 ;
         .END
-
-
\ No newline at end of file
diff --git a/Source/HBIOS/Config/ZETA2_std.asm b/Source/HBIOS/Config/ZETA2_std.asm
index 26b9a1da..9fd7c993 100644
--- a/Source/HBIOS/Config/ZETA2_std.asm
+++ b/Source/HBIOS/Config/ZETA2_std.asm
@@ -26,7 +26,7 @@
 ;
 #include "cfg_zeta2.asm"
 ;
-UARTCFG		.SET	UARTCFG | SER_RTS
+;UARTCFG		.SET	UARTCFG | SER_RTS
 ;
 CRTACT		.SET	TRUE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 ;
diff --git a/Source/HBIOS/ide.asm b/Source/HBIOS/ide.asm
index 8613e8a3..49292220 100644
--- a/Source/HBIOS/ide.asm
+++ b/Source/HBIOS/ide.asm
@@ -1453,6 +1453,7 @@ IDE_PRTSTAT:
 	PUSH	AF
 	PUSH	DE
 	PUSH	HL
+	LD	A,(IY+IDE_STAT)
 	OR	A
 	LD	DE,IDE_STR_STOK
 	JR	Z,IDE_PRTSTAT1
diff --git a/Source/HBIOS/ppide.asm b/Source/HBIOS/ppide.asm
index e87a3a64..b62e08e9 100644
--- a/Source/HBIOS/ppide.asm
+++ b/Source/HBIOS/ppide.asm
@@ -1485,6 +1485,7 @@ PPIDE_PRTSTAT:
 	PUSH	AF
 	PUSH	DE
 	PUSH	HL
+	LD	A,(IY+PPIDE_STAT)
 	OR	A
 	LD	DE,PPIDE_STR_STOK
 	JR	Z,PPIDE_PRTSTAT1
diff --git a/Source/HBIOS/ppp.asm b/Source/HBIOS/ppp.asm
index ff395002..5a4032fc 100644
--- a/Source/HBIOS/ppp.asm
+++ b/Source/HBIOS/ppp.asm
@@ -1024,6 +1024,7 @@ PPPSD_PRTSTAT:
 	PUSH	AF
 	PUSH	DE
 	PUSH	HL
+	LD	A,(IY+PPPSD_STAT)
 	OR	A
 	LD	DE,PPPSD_STR_STOK
 	JR	Z,PPPSD_PRTSTAT1
diff --git a/Source/HBIOS/prp.asm b/Source/HBIOS/prp.asm
index cea20545..e6f3c968 100644
--- a/Source/HBIOS/prp.asm
+++ b/Source/HBIOS/prp.asm
@@ -949,6 +949,7 @@ PRPSD_PRTSTAT:
 	PUSH	AF
 	PUSH	DE
 	PUSH	HL
+	LD	A,(IY+PRPSD_STAT)
 	OR	A
 	LD	DE,PRPSD_STR_STOK
 	JR	Z,PRPSD_PRTSTAT1
diff --git a/Source/HBIOS/sd.asm b/Source/HBIOS/sd.asm
index 7b76ef33..8a082a07 100644
--- a/Source/HBIOS/sd.asm
+++ b/Source/HBIOS/sd.asm
@@ -2005,6 +2005,7 @@ SD_PRTSTAT:
 	PUSH	AF
 	PUSH	DE
 	PUSH	HL
+	LD	A,(IY+SD_STAT)
 	OR	A
 	LD	DE,SD_STR_STOK
 	JR	Z,SD_PRTSTAT1
diff --git a/Source/Images/Common/FIND.COM b/Source/Images/Common/FIND.COM
new file mode 100644
index 00000000..2ed5c52b
Binary files /dev/null and b/Source/Images/Common/FIND.COM differ
diff --git a/Source/ver.inc b/Source/ver.inc
index aa2a5657..3b482851 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.75"
+#DEFINE BIOSVER	"3.1.1-pre.76"
diff --git a/Source/ver.lib b/Source/ver.lib
index c3fcb525..42e3ace2 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.75"
+	db	"3.1.1-pre.76"
 	endm