IBM XT 5160 Technical Reference page 39

I/O Pin Signal Name
I/O
B1 GND
Ground
B2 RESET DRV
0
B3
+5 Vdc
Power
B4 IRQ 2
I
B5 -5 Vdc Power
B6
DRQ2
I
B7 -12 Vdc Power
B8
-CARD SlCTD
I
B9 +12 Vdc Power
B10 GND
Ground
B11 -MEMW
0
B12 -MEMR
0
B13 -lOW
I/O
B14 -lOR I/O
B15 -DACK3
0
B16
DRQ3 I
B17 -DACK1
0
B18
DRQ1
I
B19
-DACKO
I/O
B20 ClK
0
B21
IRQ7 I
B22 IRQ6
I
B23
IRQ5 I
B24 IRQ4
I
B25
IRQ3 I
B26
-DACK2
0
B27
T/C
0
B28
ALE 0
B29 +5Vdc Power
B30
OSC
0
B31
GND
Ground
I/O Channel (B-Side, J1 through J8)
1-18
System
Board