 (At the computer)
 (At the computer)
34 PIN MALE EDGE at the computer.
| Pin | Name | 
|---|---|
| 1 | READY | 
| 2 | GND | 
| 3 | SIDE 1 SELECT | 
| 4 | GND | 
| 5 | READ DATA | 
| 6 | GND | 
| 7 | WRITE PROTECT | 
| 8 | GND | 
| 9 | TRACK 0 | 
| 10 | GND | 
| 11 | WRITE GATE | 
| 12 | GND | 
| 13 | WRITE DATA | 
| 14 | GND | 
| 15 | STEP | 
| 16 | GND | 
| 17 | DIRECTION SELECT | 
| 18 | GND | 
| 19 | MOTOR ON | 
| 20 | GND | 
| 21 | n/c | 
| 22 | GND | 
| 23 | DRIVE SELECT 1 | 
| 24 | GND | 
| 25 | n/c | 
| 26 | GND | 
| 27 | INDEX | 
| 28 | GND | 
| 29 | n/c | 
| 30 | GND | 
| 31 | n/c | 
| 32 | GND | 
| 33 | n/c | 
| 34 | GND |