Service and Maintain

A–4 415606-001 Service Reference Guide, dx2200 MT
Connector Pin Assignments
ATA/ATAPI (IDE) Standard Drive Cable
Connector
Pin Signal Pin Signal Pin Signal
1
2
3
4
5
Reset
Ground
DD7
DD8
DD6
15
16
17
18
19
DD1
DD14
DD0
DD15
Ground
29
30
31
32
33
DMAK
Ground
INTRQ
IOCS16
DA1
6
7
8
9
10
DD9
DD5
DD10
DD4
DD11
20
21
22
23
24
(Key)
DMARQ
Ground
DIOW
Ground
34
35
36
37
38
PDIAG (cable detect)
DA0
DA2
CS1FX
CS3FX
11
12
13
14
DD3
DD12
DD2
DD13
25
26
27
28
DIOR
Ground
IORDY
CSEL
39
40
DASP
Ground
24-Pin Power
Connector
Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
6
+3.3 V
+3.3 V
GND
+5 V
GND
+5 V
7
8
9
10
11
12
Aux GND
PWROK
+5 Vaux
+12 V
+12 V
+3.3 V
13
14
15
16
17
18
+3.3 V
-12 V
GND
PSON
GND
GND/(R/S)
19
20
21
22
23
24
GND
NI
+5 V
+5 V
+5V
GND
*Open for d300 series computers; -5V for all others
4-Pin Power (for CPU)
Connector and Icon Pin Signal
1GND
2GND
3+12 V
4+12 V
24
12
13
1