(To the Amiga/Mac).
 (To the Peripherial).
25 PIN D-SUB FEMALE to the Amiga/Mac.
50 PIN IDC FEMALE to the Peripherial.
| 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 |