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Dc power connectors – Dell OptiPlex 740 User Manual

Page 167

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12.

Replace the optical drive (see

Installing an Optical Drive

).


 

13.

Replace the computer cover (see

Replacing the Computer Cover

).


 

14.

Connect the AC power cable to the power supply AC power connector.

 

15.

Connect your computer and devices to electrical outlets, and turn them on.

 

DC Power Connectors

 

DC Power Connector P1

NOTICE:

To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

 

Pin Number

 

Signal name

 

18-AWG Wire

1

+3.3 VDC

Orange

2

+3.3 VDC

Orange

3

GND

Black

4

VCC (+5 V)

Red

5

GND

Black

6

VCC (+5 V)

Red

7

GND

Black

8

PS_PWRGOOD*

Gray

9

P5AUX

Purple

10

V_12P0_DIG

Yellow

11

V_12P0_DIG

Yellow

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