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IDE hard drive connectors
Pin
Signal
1
IDE RESET
3
DATA 7
5
DATA 6
7
DATA 5
9
DATA 4
11
DATA 3
13
DATA 2
15
DATA 1
17
DATA 0
19
SIGNAL GND
21
N/C
23
IO WRITE
25
IO READ
27
IO CHANNEL READY 28
29
N/C
31
IRQ14
33
ADDR 1
35
ADDR 0
37
HARD DISK SELECT 0
39
IDE ACTIVE
Pin
Signal
2
GND
4
DATA 8
6
DATA 9
8
DATA 10
10
DATA 11
12
DATA 12
14
DATA 13
16
DATA 14
18
DATA 15
20
N/C
22
GND
24
GND
26
GND
ALE
30
GND
32
IOCS16
34
N/C
36
ADDR 2
38
HARD DISK SELECT 1
40
MGND
Chapter 2 Installation 31
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