24-pin main power cable connector
1
12
13
24
1
+3.3V
7
GND
13
+3.3V
19
GND
2
+3.3V
8
POK
14
-12V
20
GND
3
GND
9
+5 Vaux
15
GND
21
+5V
4
+5V
10
+12 V-B
16
PS_ON_L
22
+5V
5
GND
11
+12 V-B
17
GND
23
+12V-D
6
+5V
12
+12V-D
18
GND
24
GND
4-pin power (CPU/memory/aux. sys.
board) cable connector
Pin
Color
Signal
1
BLK
GND
2
BLK
GND
3
WHT
+12 VCPU
4
WHT
+12 VCPU
164 Appendix A Appendix A—Connector pins
ENWW