IBM XT 5160 Technical Reference page 38

The following figures show signals and voltages for the I/O
channel connectors.
I/O Pin
Signal Name I/O
A1
-I/O CH CK I
A2
S07 I/O
A3 S06 I/O
A4
S05 I/O
A5
so4
I/O
A6
S03 I/O
A7 S02 I/O
A8
SOl I/O
A9 SOO I/O
A10
I/O CH ROY I
All
AEN 0
A12
SA19 I/O
A13 SA18
I/O
A14
SA17 I/O
A15 SA16
I/O
A16
SA15 I/O
A17 SA14 I/O
A18
SA13 /0
A19
SA12 /0
A20
SA 11 /0
A21 SA10
/0
A22
SA9
/0
A23 SA8 /0
A24
SA7 /0
A25 SA6 /0
A26
SA5 /0
A27
SA4 /0
A28
SA3 /0
A29 SA2
/0
A30 SAl
/0
A31 SAO /0
I/O Channel (A-Side, J1 through J8)
System Board 1-1 7