HDD and other storage devices connectors pinouts  > Apple pinouts
  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

Note: All the other pins (7+9+14+16+18+24) at the DSub should be connected to the all odd pins except 25 at the IDC connector.

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
at the peripheral
According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
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