Dell INSPIRON 531S Owner's Manual page 111

DC Power Connector P2
3 4
1 2
Pin Number Signal Name
1 GND
2 GND
3 +12 VADC
4 +12 VADC
DC Power Connectors P3, P5, and P6
Pin Number Signal name
1 +3.3 VDC
2 GND
3 +5 VDC
4 GND
5 +12 VBDC
DC Power Connectors P4
18-AWG Wire
Black
Black
Yellow
Yellow
18-AWG Wire
Orange
Black
Red
Black
White
Removing and Installing Parts
111