IDE 是 Integrated Drive Electronics 的缩写,由 Compaq 和 Western Digital 公司开发,新版的 IDE 命名为 ATA 即 AT bus Attachment,IDE 接口在设备和主板侧的外观为 40 脚插针:
IDE 电缆外观为:
引脚定义
1 |
/RESET |
|
Reset |
2 |
GND |
|
Ground |
3 |
DD7 |
|
Data 7 |
4 |
DD8 |
|
Data 8 |
5 |
DD6 |
|
Data 6 |
6 |
DD9 |
|
Data 9 |
7 |
DD5 |
|
Data 5 |
8 |
DD10 |
|
Data 10 |
9 |
DD4 |
|
Data 4 |
10 |
DD11 |
|
Data 11 |
11 |
DD3 |
|
Data 3 |
12 |
DD12 |
|
Data 12 |
13 |
DD2 |
|
Data 2 |
14 |
DD13 |
|
Data 13 |
15 |
DD1 |
|
Data 1 |
16 |
DD14 |
|
Data 14 |
17 |
DD0 |
|
Data 0 |
18 |
DD15 |
|
Data 15 |
19 |
GND |
|
Ground |
20 |
KEY |
- |
Key |
21 |
n/c |
- |
Not connected |
22 |
GND |
|
Ground |
23 |
/IOW |
|
Write Strobe |
24 |
GND |
|
Ground |
25 |
/IOR |
|
Read Strobe |
26 |
GND |
|
Ground |
27 |
IO_CH_RDY |
|
|
28 |
ALE |
|
Address Latch Enable |
29 |
n/c |
- |
Not connected |
30 |
GND |
|
Ground |
31 |
IRQR |
|
Interrupt Request |
32 |
/IOCS16 |
? |
IO ChipSelect 16 |
33 |
DA1 |
|
Address 1 |
34 |
n/c |
- |
Not connected |
35 |
DA0 |
|
Address 0 |
36 |
DA2 |
|
Address 2 |
37 |
/IDE_CS0 |
|
(1F0-1F7) |
38 |
/IDE_CS1 |
|
(3F6-3F7) |
39 |
/ACTIVE |
|
Led driver |
40 |
GND |
|
Ground |