Dc Power Connector P2; Dc Power Connectors P3, P5, P8, And P9 - Dell OptiPlex 755 User Manual

Pin Number Signal name
23 +5 VDC
24 GND
*Optional wire. Use 22-AWG wire instead of 18-AWG
wire.

DC Power Connector P2

3 4
Pin Number
1 2
1
2
3
4

DC Power Connectors P3, P5, P8, and P9

18-AWG Wire
Red
Black
Signal Name
GND
GND
+12 VADC
+12 VADC
Pin Number Signal name
1 +3.3 VDC
2 GND
3 +5 VDC
4 GND
5 +12 VBDC
18-AWG Wire
Black
Black
Yellow
Yellow
18-AWG Wire
Orange
Black
Red
Black
White
83
Power Supply