ata接口
ATA是AT bus Attachment 的缩写，由 Conner, Seagate 和 Western Digital 公司开发，是新版的 IDE 接口，ATA 接口在设备和主板侧的外观为40脚插针：
|
Pin |
Name |
Description |
Pin |
Name |
Description |
|
1 |
/RESET |
Reset |
21 |
DMARQ |
DMA Request |
|
2 |
GND |
Ground |
22 |
GND |
Ground |
|
3 |
DD7 |
Data 7 |
23 |
/DIOW |
Write Strobe |
|
4 |
DD8 |
Data 8 |
24 |
GND |
Ground |
|
5 |
DD6 |
Data 6 |
25 |
/DIOR |
Read Strobe |
|
6 |
DD9 |
Data 9 |
26 |
GND |
Ground |
|
7 |
DD5 |
Data 5 |
27 |
IORDY |
I/O Ready |
|
8 |
DD10 |
Data 10 |
28 |
SPSYNC:CSEL |
Spindle Sync or Cable Select |
|
9 |
DD4 |
Data 4 |
29 |
/DMACK |
DMA Acknowledge |
|
10 |
DD11 |
Data 11 |
30 |
GND |
Ground |
|
11 |
DD3 |
Data 3 |
31 |
INTRQ |
Interrupt Request |
|
12 |
DD12 |
Data 12 |
32 |
/IOCS16 |
IO ChipSelect 16 |
|
13 |
DD2 |
Data 2 |
33 |
DA1 |
Address 1 |
|
14 |
DD13 |
Data 13 |
34 |
PDIAG |
Passed Diagnostics |
|
15 |
DD1 |
Data 1 |
35 |
DA0 |
Address 0 |
|
16 |
DD14 |
Data 14 |
36 |
DA2 |
Address 2 |
|
17 |
DD0 |
Data 0 |
37 |
/IDE_CS0 |
(1F0-1F7) |
|
18 |
DD15 |
Data 15 |
38 |
/IDE_CS1 |
(3F6-3F7) |
|
19 |
GND |
Ground |
39 |
/ACTIVE |
Led driver |
|
20 |
KEY |
Key (Pin missing) |
40 |
GND |
Ground |
ATA 44 接口
ATA 是 AT bus Attachment 的缩写，由 Conner, Seagate 和 Western Digital 公司开发，是新版的 IDE 接口，ATA 44 接口是 ATA 接口再加上电源等线，主要用于便携式计算机用 2.5" 硬盘，在设备和主板侧的外观为 44 脚插针。ATA 44 接口的 1-40 脚的定义同 ATA，41-44 的定义为：
Pin Name Description
41 +5VL +5 VDC (Logic)
42 +5VM +5 VDC (Motor)
43 GND Ground
44 /TYPE Type (0=ATA)