Appendix B Pin Assignments
B.1 IDE Hard Drive Connector (CN1, CN2)
Table B.1: IDE hard drive connector (CN1, CN2)
Pin | Signal | Pin | Signal |
1 | IDE RESET* | 2 | GND |
3 | DATA 7 | 4 | DATA 8 |
5 | DATA 6 | 6 | DATA 9 |
7 | DATA 5 | 8 | DATA 10 |
9 | DATA 4 | 10 | DATA 11 |
11 | DATA 3 | 12 | DATA 12 |
13 | DATA 2 | 14 | DATA 13 |
15 | DATA 1 | 16 | DATA 14 |
17 | DATA 0 | 18 | DATA 15 |
19 | SIGNAL GND | 20 | N/C |
21 | DISK DMA REQUEST | 22 | GND |
23 | IO WRITE | 24 | GND |
25 | IO READ | 26 | GND |
27 | IO CHANNEL READY | 28 | CSEL |
29 | HDACKO* | 30 | GND |
31 | IRQ14 | 32 | IDSC16- |
33 | ADDR 1 | 34 | PDIAG |
35 | ADDR 0 | 36 | ADDR 2 |
37 | HARD DISK SELECT 0* | 38 | HARD DISK SELECT 1* |
39 | IDE ACTIVE* | 40 | GND |
* low active |
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