B.6 FDD connector (CN9)
Table B.6: FDD connector (CN9)
Pin | Signal | Pin | Signal | |||||
1 | Vcc(+5V) | 14 | Step | |||||
|
|
|
|
|
|
|
|
|
2 | Index | 15 | GND |
|
|
|
| |
|
|
| ||||||
|
|
|
|
|
|
|
|
|
3 | Vcc(+5V) | 16 | Write data |
|
|
|
| |
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
4 | Drive select | 17 | GND |
|
|
|
| |
|
|
|
|
|
|
|
|
|
5 | Vcc(+5V) | 18 | Write enable |
|
|
|
| |
|
|
|
|
|
|
|
|
|
6 | Disk change | 19 | GND |
|
|
|
| |
|
|
|
|
|
|
|
|
|
7 | NC | 20 | Track 0 |
|
|
|
| |
|
|
|
|
|
|
|
|
|
8 | NC | 21 | GND |
|
|
|
| |
|
|
|
|
|
|
|
|
|
9 | NC | 22 | Write protect |
|
|
|
| |
|
|
|
|
|
|
|
|
|
10 | Motor on | 23 | GND |
|
|
|
| |
|
|
|
|
|
|
|
|
|
11 | NC | 24 | Read data |
|
|
|
| |
|
|
|
|
|
|
|
|
|
12 | Direction | 25 | GND |
|
|
|
| |
|
|
|
|
|
|
|
|
|
13 | Density select | 26 | Side 1 select |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
101 | AppendixB |
