Dc Power Connectors - Dell Optiflex 740 User Manual

12. Replace the computer cover (see
13. Connect the AC power cable to the AC power connector.

DC Power Connectors

DC Power Connector P1
Pin Number Signal name
1 +3.3 VDC
2 +3.3 VDC
3 GND
4 VCC (+5 V)
5 GND
6 VCC (+5 V)
7 GND
8 PS_PWRGOOD
9 P5AUX
10 V_12P0_DIG
11 V_12P0_DIG
12 +3.3 V
13 +3.3 V
14 -12 V*
15 GND
16 PWR_PS_ON
17 GND
18 GND
19 GND
20 NC
21 VCC (+5V)
22 VCC (+5V)
23 VCC (+5V)
24 GND
Replacing the Computer Cover).
18-AWG Wire
Orange
Orange
Black
Red
Black
Red
Black
Gray
Purple
Yellow
Yellow
Orange
Orange
Blue
Black
Green
Black
Black
Black
N/C
Red
Red
Red
Black