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A–4 431672-001 Service Reference Guide
Connector Pin Assignments
24-Pin Power
Connector
Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
6
7
+3.3 V
+3.3 V
GND
+5 V
GND
+5 V
GND
8
9
10
11
12
13
13-1
P.G
+5 VSB
+12 V
+12 V
+3.3 V
+3.3 V
+3.3 VS
14
15
16
17
18
19
20
-12 V
GND
PSON
GND
GND
GND
NI
21
22
23
24
+5 V
+5 V
+5 V
GND
4-Pin Power (for CPU)
Connector and Icon Pin Signal
1 GND
2 GND
3 +12 V
4 +12 V
24
12
13
1