+-------------+ |1 2 3 4 5 6 7| +-------------+
 (At the computer)
7 PIN FEMALE EDGE CONNECTOR at the computer.
| Pin | Name | Description | 
|---|---|---|
| 1 | 12v | Power 100mA | 
| 2 | CASR | Cassette data read | 
| 3 | CASW | Cassette data write | 
| 4 | AUDIO | Cassette audio | 
| 5 | GND | System ground | 
| 6 | ME | |
| 7 | READY | System Ready |