Connector - SCSI External D-Sub (PC/Amiga/Mac)25 PIN D-SUB FEMALE at the controller. 25 PIN D-SUB MALE at the cable. | (at the controller) |  | (at the cable) |
| Pin | Name | Direction | Description |
|---|
| 1 | /REQ | Output | Request | | 2 | /MSG | Output | Message | | 3 | I/O | Output | Input/Output | | 4 | /RST | --- | Reset | | 5 | /ACK | Input | Acknowledge | | 6 | BSY | --- | Busy | | 7 | GND | --- | Ground | | 8 | DB0 | --- | Data Bus 0 | | 9 | GND | --- | Ground | | 10 | DB3 | --- | Data Bus 3 | | 11 | DB5 | --- | Data Bus 5 | | 12 | DB6 | --- | Data Bus 6 | | 13 | DB7 | --- | Data Bus 7 | | 14 | GND | --- | Ground | | 15 | C/D | Output | Control/Data | | 16 | GND | --- | Ground | | 17 | /ATN | Input | Attention | | 18 | GND | --- | Ground | | 19 | /SEL | --- | Select | | 20 | PARITY | --- | Data Parity | | 21 | DB1 | --- | Data Bus 1 | | 22 | DB2 | --- | Data Bus 2 | | 23 | DB4 | --- | Data Bus 4 | | 24 | GND | --- | Ground | | 25 | TMPWR | --- | Termination Power |
Note: Direction is Device relative Bus (other Devices).
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