Power Supply Dc Connector Pin Assignments - Dell OptiPlex 330 User Manual

13 PCI card connectors
(SLOT2 and SLOT3)
15 serial/ PS/2 connector (PS2/SER2) 16 fan connector (FAN_CPU)
17 floppy drive connector (FLOPPY)
Power Supply DC Connector Pin Assignments
DC Power Connector P1
Pin Number Signal name Wire Color
1 3.3 V Orange
2 3.3 V Orange
3 RTN Black
4 5 V Red
5 RTN Black
6 5 V Red
7 RTN Black
8 POK Gray
9 5 V AUX Purple
10 +12 V Yellow
11 +12 V Yellow
12 3.3 V Orange
13 3.3 V Orange
14 -12 V Blue
15 RTN Black
16 PS_ON Green
17 RTN Black
18 RTN Black
19 RTN Black
20 OPEN
14 internal buzzer (SPKR)
Wire Size
20 AWG
20 AWG
20 AWG
20 AWG
20 AWG
20 AWG
20 AWG
22 AWG
20 AWG
20 AWG
20 AWG
20 AWG
20 AWG
22 AWG
20 AWG
22 AWG
20 AWG
20 AWG
20 AWG