diff --git a/SEL32/README.md b/SEL32/README.md
index b6c9fe1..832306c 100644
--- a/SEL32/README.md
+++ b/SEL32/README.md
@@ -95,6 +95,13 @@ diag.tap     - bootable level one diagnostic tape w/auto testing.
                Testing is extremely difficult without any source for the
                diagnostics.  Updates to follow as tests are corrected.
 
+# SEL32 tap tools available in the taptools directory:
+
+Available tap tools in taptools directory:
+./taptools   - set of tools to work with .tap formatted tapes.  Also tools
+               to convert between MPX and UNIX file formats.  See README
+               file in the taptools directory and source for descriptions.
+
 Other MPX versions support:
                I have recently received some old MPX 3.X save tapes.  Using
                these I have been able to hand build a MPX3.6 SDT tape that
diff --git a/SEL32/installs/loadscsi21b.ini b/SEL32/installs/loadscsi21b.ini
index 03aeb5b..4ea00ac 100644
--- a/SEL32/installs/loadscsi21b.ini
+++ b/SEL32/installs/loadscsi21b.ini
@@ -290,7 +290,7 @@ deposit BOOTR[7] 42
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/installs/loadscsi3x.ini b/SEL32/installs/loadscsi3x.ini
index 707a481..f6df2f5 100644
--- a/SEL32/installs/loadscsi3x.ini
+++ b/SEL32/installs/loadscsi3x.ini
@@ -130,7 +130,7 @@ deposit CSW 0
 ;
 ; allow cpu idle
 set cpu idle
-
+;
 ; wait for expected output from simulator, then enter this text
 expect "ENTER" send " %DATE_MM%/%DATE_DD%/%DATE_YY%,%TIME_HH%:%TIME_MM%:%TIME_SS%\r"; continue
 expect "FMT>" send "INITIALIZE DEVICE=DM7600 DEST=Y DISC=DM0300 CON=N\r"; continue
diff --git a/SEL32/installs/runscsi21b.ini b/SEL32/installs/runscsi21b.ini
index d60a956..9cf048e 100644
--- a/SEL32/installs/runscsi21b.ini
+++ b/SEL32/installs/runscsi21b.ini
@@ -234,7 +234,7 @@ deposit BOOTR[7] 40
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/installs/sel32load1x.ini b/SEL32/installs/sel32load1x.ini
index f968d22..7037d86 100644
--- a/SEL32/installs/sel32load1x.ini
+++ b/SEL32/installs/sel32load1x.ini
@@ -135,7 +135,7 @@ set con1 dev=7efd
 ; useful options
 ;;set mta debug=cmd;detail;exp
 ;set mta debug=cmd;exp
-
+;
 ; enable MTA to change channel
 set mta enable
 ; set mta channel
@@ -215,7 +215,7 @@ deposit CSW 0
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/installs/sel32run1x.ini b/SEL32/installs/sel32run1x.ini
index fc6d5a8..e5cc063 100644
--- a/SEL32/installs/sel32run1x.ini
+++ b/SEL32/installs/sel32run1x.ini
@@ -109,7 +109,7 @@ set con0 dev=7efc
 ; useful options
 ;;set mta debug=cmd;detail;exp
 ;set mta debug=cmd;exp
-
+;
 ; enable MTA to change channel
 set mta enable
 ; set mta channel
@@ -191,7 +191,7 @@ deposit CSW 0
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/installs/user36erunp2.ini b/SEL32/installs/user36erunp2.ini
index 18956e6..02e3d49 100644
--- a/SEL32/installs/user36erunp2.ini
+++ b/SEL32/installs/user36erunp2.ini
@@ -145,13 +145,14 @@ set con0 dev=7efc
 set mta enable
 ; set mt channel
 set mta0 dev=1000
-
+;
 ; Attach in/out tape files
 ;at mta0 user36sdts2.tap
 ;at mta0 user36sdts1.tap
 set mta0 locked
 at mta0 tapes/nbctape3x.tap
 ;at mta0 test.tap
+;at mta0 user36sdt.tap
 ;at mta1 output.tap
 ;at mta0 iscsys_dsk.tap
 ;
diff --git a/SEL32/installs/user36esdtp2.ini b/SEL32/installs/user36esdtp2.ini
index 3b56612..e02125a 100644
--- a/SEL32/installs/user36esdtp2.ini
+++ b/SEL32/installs/user36esdtp2.ini
@@ -175,7 +175,7 @@ set con0 dev=7efc
 set mta enable
 ; set mt channel
 set mta0 dev=1000
-
+;
 ; Attach in/out tape files
 set mta0 locked
 at mta0 tapes/user36esdtp2.tap
@@ -285,7 +285,7 @@ deposit BOOTR[7] 42
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/tests/diag.ini b/SEL32/tests/diag.ini
index 80cf65a..7e2976e 100644
--- a/SEL32/tests/diag.ini
+++ b/SEL32/tests/diag.ini
@@ -126,7 +126,7 @@ set con1 dev=7efd
 set mta enable
 ; set mta channel
 set mta0 dev=1000
-
+;
 ; Attach in/out tape files
 set mta0 locked
 at mta0 diag.tap
@@ -195,7 +195,7 @@ deposit CSW 0
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff
diff --git a/SEL32/tests/dmdiag.ini b/SEL32/tests/dmdiag.ini
new file mode 100644
index 0000000..3089794
--- /dev/null
+++ b/SEL32/tests/dmdiag.ini
@@ -0,0 +1,227 @@
+; Set debug output
+set debug -n sel.log
+;set debug stderr
+;
+; Set run limit of 2 minutes
+set runlimit 2 minutes
+set on
+on error ignore
+on runtime echof "\r\n*** FAILED - SEL32 Test Runtime Limit %SIM_RUNLIMIT% %SIM_RUNLIMIT_UNITS% Exceeded ***\n"; exit 1
+;
+; CPU type and memory
+; Bad on UTX
+;set CPU 32/27 2M
+;set CPU 32/27 4M
+;set CPU 32/87 4M
+set CPU 32/67 4M
+;End of Bad
+;set CPU 32/97 4M
+;;set CPU V6 4M
+;set CPU V6 8M
+;set CPU V9 4M
+;set CPU V9 8M
+;
+; CPU debug options
+;set cpu debug=cmd;exp;inst;detail;trap;xio;irq
+; Set instruction trace history size
+;;set cpu history=10000
+; useful options
+;;set cpu debug=exp;xio;irq;trap;cmd
+;set cpu debug=cmd;exp;irq;trap;xio
+;set cpu debug=cmd;irq;trap;exp
+;set cpu debug=irq;trap;exp;xio
+;set cpu debug=irq;xio
+;set cpu debug=irq;exp;trap
+;
+; RTC realtime clock
+set RTC enable
+; address is 7f06
+set RTC 50
+;set RTC 60
+; RTC debug options
+;;set RTC debug=cmd
+;
+; ITM interval timer
+; address is 7f04
+; set itm 3840
+;;set ITM debug=cmd
+;
+; IOP at channel 7e00
+; useful options
+;set iop debug=cmd;exp
+; make iop online
+set iop enable
+; set iop channel address
+set iop0 dev=7e00
+;
+; MFP at channel 7e00
+; useful options
+;set mfp debug=cmd;exp
+; make mfp online
+;set mfp enable
+; set mfp channel address
+;set mfp0 dev=7e00
+;set mfp0 dev=7600
+;
+;;set ec enable
+; UTX says to not use mode=0, use mode=1
+;set ec mode=0
+;;set ec mode=1
+;set ec0 dev=0e00
+;;set ec0 dev=0c00
+; set mac address to cause ec to be attached
+;set ec MAC=4a:45:ec:b6:5b:b4
+;;at ec tap:tap0
+;at ec nat:tcp=2323:192.68.1.26:23,tcp=2121:192.168.1.26:21
+;;set ec debug=cmd;exp;detail;irq;data;arp;tcp;udp;icmp;ether
+;set ec debug=cmd;exp;detail;ether;arp
+;
+; COM 8-Line
+;set com debug=cmd;
+;set coml0 enable
+;set coml1 enable
+;set coml2 enable
+;set coml3 enable
+;set coml4 enable
+;set coml5 enable
+;set coml6 enable
+;set coml7 enable
+;
+; Enable telnet sessions on port 4747
+;set comc enable
+;at comc 4747
+;
+; LPR
+; LPR 7EF8, 7EF9
+;set lpr debug=cmd;detail
+set lpr enable
+; LPR output file
+at lpr lprout
+;
+; CON Console
+; useful options
+;set con debug=cmd;exp;detail
+; enable console
+set con enable
+; set console address
+; set con0 enable
+set con0 dev=7efc
+; set con1 enable
+set con1 dev=7efd
+;;set con debug=cmd;exp
+;
+; MTA Buffered tape processor
+; useful options
+;set mta debug=cmd;exp;detail;data
+;
+; enable MTA to change channel
+set mta enable
+; set mta channel
+set mta0 dev=1000
+;;set mta debug=cmd;exp
+; Attach in/out tape files
+;at mta0 mpxsdt.tap
+;at mta0 nbctape.tap
+;at mta0 utx21a1.tap
+;at mta0 sim32sdt.tap
+;at mta0 diag3.tap
+set mta0 locked
+at mta0 dmdiag.tap
+;at mta1 output.tap
+;at mta1 temptape.tap
+;at mta2 output.tap
+;
+; DMA disk processor II/UDP
+; enable DMA to change channel
+set dma enable
+; set disk chan to 0800
+set dma0 dev=800
+; set disk type to MPX MH300
+;set dma0 type=MH300
+; set disk type to UTX 9342
+set dma0 type=9342
+; set disk type to UTX 9346
+;set dma0 type=9346
+;set dma0 type=8155
+;set dma0 type=8887
+;set dma0 type=8148
+;
+; Attach diskfile
+;at dma0 utx0disk
+;at dma0 utx1disk
+;at dma0 sim32disk
+at dma0 dmdiagdisk
+; useful options
+;set dma debug=cmd;exp
+;;set dma debug=exp;cmd;detail
+;
+; SDA SCFI disk processor
+;set sda debug=cmd;exp;data;detail
+; Attach diskfiles
+;at sda0 diskfile4
+;at sda1 diskfile5
+;
+; DPA high speed disk processor
+; enable the HSDP to change channel
+;set dpa enable
+; set channel addr
+;set dpa0 dev=800
+; set disk type to UTX 8887
+;set dpa0 type=8887
+;set dpa0 type=8888
+;set dpa0 type=9342
+;set dpa0 type=MH080
+;
+; Attach diskfiles
+;at utxdsk.dsk
+;at dpa0 dpdiagdisk
+;at dpa0 utx0hsdp
+;at dpa1 utx1hsdp
+;
+;;set dpa debug=cmd;detail;exp
+; useful options
+;set dpa debug=cmd;exp
+;
+; set console switches
+deposit CSW 0
+;
+;UTX boot tape options
+;set GPR 7 to 0x00 to boot in multi-user mode
+;set GPR 7 to 0x01 to prompt for unix filename
+;set GPR 7 to 0x02 to boot in single user mode
+;set GPR 7 to 0x10 to disable swapping and paging
+;set GPR 7 to 0x20 to boot from device specified in GPR6
+;set GPR 7 to 0x40 to allow progress messages on boot
+;deposit BOOTR[7] 40
+;deposit BOOTR[7] 52
+;deposit BOOTR[7] 42
+;deposit BOOTR[7] 2
+;deposit BOOTR[6] 800
+;deposit BOOTR[0] ffffffff
+
+; Set register content at boot for SEL diagnostics
+; uncomment next line to get diag loader prompt
+;deposit bootr[0] ffffffff
+deposit bootr[1] 0
+deposit bootr[2] 0
+;
+; allow cpu idle
+set cpu idle
+; Set expect script for auto time entry on MPX at OPCOM prompt
+;expect haltafter=20000
+; wait for expected output from simulator, then enter this text
+;expect "??" send " %DATE_MM%/%DATE_DD%/%DATE_YY%,%TIME_HH%:%TIME_MM%:%TIME_SS%\r"; GO
+;
+; Boot from disk
+;bo dpa0
+;bo dma0
+;
+; Go to simh on completion of script
+expect "DOL>" echof "\r\n*** PASSED - SEL32 Autobatch Diagnostic Successfully Completed\n"; exit 0
+;
+; Boot from mag tape
+bo mta0
+det all
+expect "[][]" echof "\r\n*** FAILED - SEL32 Autobatch Diagnostic Failed to Complete\n"; exit 1
+echof "\r\n*** FAILED - SEL32 Autobatch Diagnostic Failed to Complete\n"; exit 1
+quit
diff --git a/SEL32/tests/sel32_test.ini b/SEL32/tests/sel32_test.ini
index 80cf65a..7e2976e 100644
--- a/SEL32/tests/sel32_test.ini
+++ b/SEL32/tests/sel32_test.ini
@@ -126,7 +126,7 @@ set con1 dev=7efd
 set mta enable
 ; set mta channel
 set mta0 dev=1000
-
+;
 ; Attach in/out tape files
 set mta0 locked
 at mta0 diag.tap
@@ -195,7 +195,7 @@ deposit CSW 0
 ;deposit BOOTR[7] 2
 ;deposit BOOTR[6] 800
 ;deposit BOOTR[0] ffffffff
-
+;
 ; Set register content at boot for SEL diagnostics
 ; uncomment next line to get diag loader prompt
 ;deposit bootr[0] ffffffff