User Guide

User Guide
Technical Overview: Dell Dimension XPS Service Manual

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Technical Overview

Dell™ Dimension™ XPS Service Manual

  Inside View of Your Computer

  System Board Components

  Power Supply DC Connector Pin Assignments



Inside View of Your Computer


System Board Components


Power Supply DC Connector Pin Assignments

DC Power Connector P1

Pin Number

Signal name

18-AWG Wire

1

+5 VDC

Red

2

COM

Black

3

+5 VDC

Red

4

COM

Black

5

PWR GOOD

White

6

+5 VSB

Purple

7

+12 VA

Yellow

8

-12 V

Blue

9

COM

Black

10

COM

Black

11

+3.3 VDC

Blue and white

12

+3.3 VDC

Blue and white

13

PS-ON

Gray

14

COM

Black

15

COM

Black

16

COM

Black

17

 

N/C

18

+5 VDC

Red

19

 

N/C

20

+5 VDC

Red

21

TSFC (1)

Brown

22

+5 VDC

Red

23

+3.3 VDC

Blue and white

24

COM

Black

DC Power Connector P2

Pin Number

Signal Name

18-AWG Wire

1

+3.3 VDC

Blue and white

2

+3.3 VDC

Blue and white

3

+3.3 VDC

Blue and white

4

+3.3 VDC

Blue and white

5

COM

Black

6

COM

Black

7

 

N/C

8

COM

Black

9

+12 VA

Yellow

10

COM

Black

11

 

N/C

12

+12 VB

Orange

13

+12 VB

Orange

14

+12 VB

Orange

15

COM

Black

16

 

N/C

17

COM

Black

18

COM

Black

19

TSFC (2)

Pink

20

+5 VDC

Red

DC Power Connector P3

Pin Number

Signal Name

18-AWG Wire

1

COM

Black

2

+12 VA

Yellow

3

+12 VA

Yellow

4

COM

Black

5

COM

Black

6

+5 VDC

Red

7

+5 VDC

Red

8

 

N/C

9

+12 VB

Orange

10

COM

Black

11

COM

Black

12

+5 VDC

Red

DC Power Connector P4

Pin Number

Signal Name

18-AWG Wire

1

 

N/C

2

COM

Black

3

COM

Black

4

+3.3 VDC

Orange

5

+5 VDC

Red

6

+12 VDC

Yellow


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