Dell OptiPlex 745c (Early 2007) User Manual
Page 74
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DC Power Connector P2
DC Power Connectors P3, P5, P8, and P9
DC Power Connector P7
DC Power Connector P10
21
+5 VDC
Red
22
+5 VDC
Red
23
+5 VDC
Red
24
GND
Black
*Optional wire. Use 22-AWG wire instead of 18-AWG wire.
Pin Number
Signal Name
18-AWG Wire
1
GND
Black
2
GND
Black
3
+12 VADC
Yellow
4
+12 VADC
Yellow
Pin Number
Signal name
18-AWG Wire
1
+3.3 VDC
Orange
2
GND
Black
3
+5 VDC
Red
4
GND
Black
5
+12 VBDC
White
Pin Number
Signal Name
22-AWG Wire
1
+5 VDC
Red
2
GND
Black
3
GND
Black
4
+12 VADC
Yellow
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