
Floppy Drive Connector (CN19)
| Pin | Signal | Pin | Signal | 
| 1 | GND | 2 | DENSITY SELECT | 
| 
 | 
 | 
 | 
 | 
| 3 | GND | 4 | N.C. | 
| 5 | GND | 6 | N.C. | 
| 7 | GND | 8 | INDEX | 
| 9 | GND | 10 | MOTOR A | 
| 11 | GND | 12 | DRIVESELECTB | 
| 13 | GND | 14 | DRIVE SELECT A | 
| 15 | GND | 16 | MOTOR B | 
| 17 | GND | 18 | DIRECTION | 
| 19 | GND | 20 | STEP | 
| 
 | 
 | 
 | 
 | 
| 21 | GND | 22 | WRITE DATA | 
| 23 | GND | 24 | WRITE GATE | 
| 25 | GND | 26 | TRACK 0 | 
| 27 | GND | 28 | WRITE PROTECT | 
| 29 | N.C. | 30 | READ DATA | 
| 31 | GND | 32 | SIDE 1 | 
| 33 | N.C. | 34 | DISK CHANGE | 
