C.7 ide hard drive connector (cn1, cn7), Pin assignments – IBM CFC2 User Manual
Page 135
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127
Appx. C
C.7 IDE Hard Drive Connector (CN1, CN7)
Table C.7: IDE HDD connector (CN1, CN7)
Pin
Signal
Pin
Signal
1
IDE RESET*
2
GND
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
SIGNAL GND
20
N/C
21
HDD 0
22
GND
23
IO WRITE
24
GND
25
IO READ
26
GND
27
HD READY
28
N/C
29
HDACK 0*
30
GND
31
IRQ14
32
N/C
33
ADDR 1
34
N/C
35
ADDR 0
36
ADDR 2
37
HARD DISK
SELECT 0*
38
HARD DISK
SELECT 1*
39
IDE ACTIVE*
40
GND
41
VCC
42
VCC
43
GND
44
N/C
* low active
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