ide接口引腳定義圖
IDE 是 Integrated Drive Electronics 的縮寫(xiě),由 Compaq 和 Western Digital 公司開(kāi)發(fā),新版的 IDE 命名為 ATA 即 AT bus Attachment,IDE 接口在設(shè)備和主板側(cè)的外觀為 40 腳插針:
IDE 電纜外觀為:
引腳定義 |
Pin |
Name |
Dir |
Description |
---|---|---|---|
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 |