B.2 Floppy Drive Connector (CN3)
33 31 | 3 | 1 |
34 32 | 4 | 2 |
Table B.2: Floppy drive connector (CN3) |
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Pin | Signal | Pin | Signal |
1 | GND | 2 | FDHDIN* |
3 | GND | 4 | N/C |
5 | N/C | 6 | FDEDIN* |
7 | GND | 8 | INDEX* |
9 | GND | 10 | MOTOR 0* |
11 | GND | 12 | DRIVE SELECT 1* |
13 | GND | 14 | DRIVE SELECT 0* |
15 | GND | 16 | MOTOR 1* |
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 | GND | 30 | READ DATA* |
31 | GND | 32 | HEAD SELECT* |
33 | GND | 34 | DISK CHANGE* |
* low active |
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79 | AppendixB |
