Dell OptiPlex 960 (Late 2008) - Manual (Page 128)

DC Power Connector P2
DC Power Connector P3
Thermal Sensor P5
DC Power Connector P6
12 +3.3 V Orange
13
(optional) +3.3V Orange
14 -12 V* Blue
15 GND Black
16 PWR_PS_ON Green
17 GND Black
18 GND Black
19 GND Black
20 NC NC
21 VCC (+5V) Red
22 VCC (+5V) Red
23 VCC (+5V) Red
24 GND Black
*Use 22-AWG wire instead of 18-AWG wire.
Pin Number Signal Name 18-AWG Wire
1 GND Black
2 GND Black
3 +12 VDC Yellow
4 +12 VDC 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 VDC Yellow
Pin Number Signal name 18-AWG Wire
1 N/A N/A