Amiga 590 Internal SCSI Connector
50-Pin IDC Male in Amiga 590 Hard Drive
| Pin | Description | Pin | Description |
| 1 | Ground | 26 | Termination Power |
| 2 | /Data 0 | 27 | Ground |
| 3 | Ground | 28 | Ground |
| 4 | /Data 1 | 29 | Ground |
| 5 | Ground | 30 | Ground |
| 6 | /Data 2 | 31 | Ground |
| 7 | Ground | 32 | ATN |
| 8 | /Data 3 | 33 | Ground |
| 9 | Ground | 34 | n/c |
| 10 | /Data 4 | 35 | Ground |
| 11 | Ground | 36 | /BSY |
| 12 | /Data 5 | 37 | Ground |
| 13 | Ground | 38 | /ACK |
| 14 | /Data 6 | 39 | Ground |
| 15 | Ground | 40 | /RST |
| 16 | /Data 7 | 41 | Ground |
| 17 | Ground | 42 | /MSG |
| 18 | /Parity | 43 | Ground |
| 19 | Ground | 44 | /SEL |
| 20 | Ground | 45 | Ground |
| 21 | Ground | 46 | C/D |
| 22 | Ground | 47 | Ground |
| 23 | Ground | 48 | /REQ |
| 24 | Ground | 49 | Ground |
| 25 | Open | 50 | I/O |
Source: Amiga 590 Service Manual
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