HP Compaq dx2450 MT

ATA/ATAPI (IDE) Standard Drive Cable
Connector
Pin Signal Pin Signal Pin Signal
1
2
3
4
Reset
Ground
DD7
DD8
15
16
17
18
DD1
DD14
DD0
DD15
29
30
31
32
DMAK
Ground
INTRQ
IOCS16
5
6
7
8
DD6
DD9
DD5
DD10
19
20
21
22
Ground
(Key)
DMARQ
Ground
33
34
35
36
DA1
PDIAG (cable detect)
DA0
DA2
9
10
11
12
DD4
DD11
DD3
DD12
23
24
25
26
DIOW
Ground
DIOR
Ground
37
38
39
40
CS1FX
CS3FX
DASP
Ground
13
14
DD2
DD13
27
28
IORDY
CSEL
74 Appendix A Connector Pin Assignments