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