Compaq Deskpro 2000 - Manual (Page 224)

A-6 Connector Pin Assignments
Table A-14
IDE/EIDE Drive Cable
1 39
2 40
Pin Signal Pin Signal
1 RESET 21 DREQ
2 GND 22 GND
3 DD7 23 DIOW
4 DD8 24 GND
5 DD6 25 DIOR
6 DD9 26 GND
7 DD5 27 IORDY
8 DD10 28 Cable Select
9 DD4 29 DMACK
10 DD11 30 GND
11 DD3 31 INTRQ
12 DD12 32 IOCS16
13 DD2 33 DA1
14 DD13 34 PDIA6
15 DD1 35 DA0
16 DD14 36 DA2
17 DD0 37 CS1FX
18 DD15 38 CS3FX
19 GND 39 DASP
20 (KEY) 40 GND