SCSI cable (Amiga/Mac) pinout

25 pin D-SUB female connector layout
25 pin D-SUB female connector at the Amiga/Mac


50 pin IDC female connector layout
50 pin IDC female connector

DSub IDC
Request 1 48
Message 2 42
Input/Output 3 50
Reset 4 40
Acknowledge 5 38
Busy 6 36
Data Bus 0 8 2
Data Bus 3 10 8
Data Bus 5 11 12
Data Bus 6 12 14
Data Bus 7 13 16
Control/Data 15 46
Attention 17 32
Select 19 44
Data Parity 20 18
Data Bus 1 21 4
Data Bus 2 22 6
Data Bus 4 23 10
Termination Power 25 26