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E-IDE / Fast ATA Hard Drive Interface

Pin No. Signal Name
1 Reset
2 Ground
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 Ground
20 KEY (Empty Position)
21 DMA Request
22 Ground
23 I/O Write
24 Ground
25 I/O Read
26 Ground
27 I/O Ready
28 SPSYNC/ALE
29 DMA Acknowledge
30 Ground
31 Interrupt Request 14
32 16 bit I/O
33 Address 1
34 Passed Diagnostic
35 Address 0
36 Address 2
37 Chip Select 1 Input
38 Chip Select 3 Input
39 Drive Active
40 Ground
EIDE Connector