DSUB 9 Pin Male Connector at the computer
DSUB 9 Pin Female Connector at the cassette
cable
| Pin | Name | Dir | Comment |
|---|---|---|---|
| 1 | Cass 1 motor control | OUT | CRU bit 22 |
| 2 | Dito | OUT | neg |
| 3 | Output to tape 2 | OUT | CRU bit 25 |
| 4 | Audio gate | OUT | CRU bit 24 |
| 5 | Output to tape 2 | OUT | neg |
| 6 | Cass 2 motor control | OUT | CRU bit 23 |
| 7 | Dito | OUT | neg |
| 8 | Input from tape 1 or 2 | IN | CRU bit 27 |
| 9 | Dito | IN | neg |
Notes
- Direction is Computer relative Cassette
- Cassette 1 can’t be written to