Dell OptiPlex 760 - Manual (Page 50)

12. Connect the AC power cable to the connector.
13. Replace the computer cover (see Replacing the Computer Cover ).
DC Power Connectors
DC Power Connector P1
Pin Number Signal name 18-AWG Wire
1 COM Black
2 FAN Brown
3 N/C N/C
4 +3.3 VDC Orange
5 COM Black
6 COM Black
7 +12 VDC Yellow
8 +5 VSB Purple
9 COM Black
10 +5 VDC Red
11 +5 VDC Red
12 +5 VDC Red
13 COM Black
14 COM Black
15 +3.3 VDC Orange
16 +3.3 VDC Orange
17 POK Gray
18 COM Black
19 +12 VDC Yellow
20 -12 VDC Blue
21 COM Black
22 PS_ON Green
23 +5 VDC Red