IDE Cable Connector Signals
Pin | Signal Name | I/O | Pin | Signal Name | I/O |
|
|
|
|
|
|
1 | Host Reset | O | 21 | DMA Request | I |
|
|
|
|
|
|
2 | Ground | N/A | 22 | Ground | Power |
|
|
|
|
|
|
3 | Host Data 7 | I/O | 23 | Host IOW | O |
|
|
|
|
|
|
4 | Host Data 8 | I/O | 24 | Ground | Power |
|
|
|
|
|
|
5 | Host Data 6 | I/O | 25 | Host IOR | O |
|
|
|
|
|
|
6 | Host Data 9 | I/O | 26 | Ground | Power |
|
|
|
|
|
|
7 | Host Data 5 | I/O | 27 | I/O Channel Ready | I |
|
|
|
|
|
|
8 | Host Data 10 | I/O | 28 | No Connection | N/A |
|
|
|
|
|
|
9 | Host Data 4 | I/O | 29 | DMA Acknowledge | O |
|
|
|
|
|
|
10 | Host Data 11 | I/O | 30 | Ground | Power |
|
|
|
|
|
|
11 | Host Data 3 | I/O | 31 | Host IRQ | I |
|
|
|
|
|
|
12 | Host Data 12 | I/O | 32 | No Connection | N/A |
|
|
|
|
|
|
13 | Host Data 2 | I/O | 33 | Host A1 | O |
|
|
|
|
|
|
14 | Host Data 13 | I/O | 34 | No Connection | N/A |
|
|
|
|
|
|
15 | Host Data 1 | I/O | 35 | Host A0 | O |
|
|
|
|
|
|
16 | Host Data 14 | I/O | 36 | Host A2 | O |
|
|
|
|
|
|
17 | Host Data 0 | I/O | 37 | Host CS0 | O |
|
|
|
|
|
|
18 | Host Data 15 | I/O | 38 | Host CS1 | O |
|
|
|
|
|
|
19 | Ground | Power | 39 | ACTIVE bar | I |
|
|
|
|
|
|
20 | No Connection | N/A | 40 | Ground | Power |
|
|
|
|
|
|
139