Compaq Deskpro EN Series - IDE;EIDE Drive Cable Pin Assignments

Compaq Deskpro EN Series of Personal Computers A-7
Table A-13
IDE/EIDE Drive Cable
139
240
Pin Signal Pin Signal
1
2
RESET
GND
21
22
DMARQ
GND
3
4
DD7
DD8
23
24
DIOW
GND
5
6
DD6
DD9
25
26
DIOR
GND
7
8
DD5
DD10
27
28
IORDY
CSEL
9
10
DD4
DD11
29
30
DMACK
GND
11
12
DD3
DD12
31
32
INTRQ
IOCS16
13
14
DD2
DD13
33
34
DA1
PD1AG (80-pin cable detect)
15
16
DD1
DD14
35
36
DA0
DA2
17
18
DD0
DD15
37
38
CS1FX
CS3FX
19
20
GND
(KEY)
39
40
DASP
GND