Dell bpcwcsn_5 - OptiPlex - 740 User Manual page 241

Pin Signal name
Number
22 VCC (+5V)
23 VCC (+5V)
24 GND
*Use 22-AWG wire instead of 18-AWG wire.
DC Power Connector P2
3 4
Pin
1 2
Number
1
2
3
4
DC Power Connectors P3
6 5 4 3 2 1
18-
AWG
Wire
Red
Red
Black
Signal
Name
GND Black
GND Black
+12 VDC
+12 VDC
Pin Signal
Number Name
1 NC
2 +5 VDC
3 +5 VDC
4 NC
18-AWG
Wire
Yellow
Yellow
24-AWG
Wire
NC
Red
Red
NC
Small Form Factor Computer
241