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Technical Overview

Dell™ Dimension™ 5100 Service Manual

  Inside View of Your Computer

  System Board Components

  Power Supply DC Connector Pin Assignments

Inside View of Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

System Board Components

Power Supply DC Connector Pin Assignments

DC Main Power Connector P1

Pin Number	Signal Name	18-AWG Wire
1	+3.3 VDC*	Orange
2	+3.3 VDC*	Orange
3	COM	Black
4	+5VDC	Red
5	COM	Black
6	+5 VDC	Red
7	COM	Black
8	POK	Gray
9	+5 VFP	Purple
10	+12 VBDC	White
11	+12 VBDC	White
12	+3.3 VDC*	Orange
13	+3.3 VDC*/SE*	Orange
14	–12 VDC	Blue
15	COM	Black
16	PS-ON	Green
17	COM	Black
18	COM	Black
19	COM	Black
20	NA	NA
21	+5 VDC	Red
22	+5 VDC	Red
23	+5 VDC	Red
24	COM	Black
*The orange +3.3 VDC output wires must be 16 AWG. The +3.3 VDC terminals are high current type (9 A current rating/Molex-HCS type). *The +3.3VDC/SE is a brown sense wire for +3.3VDC and is optional.

DC Processor Power Connector P2

Pin Number	Signal Name	18-AWG Wire
1	COM	Black
2	COM	Black
3	+12 VADC	Yellow
4	+12 VADC	Yellow

DC Peripheral Connectors P3 and P5

Pin Number	Signal Name	18-AWG Wire
1	+3.3 VDC	Orange
2	COM	Black
3	+5 VADC	Red
4	COM	Black
5	+12 VBDC	White

DC FDD Connector P7

Pin Number	Signal Name	18-AWG Wire
1	+5 VDC	Red
2	COM	Black
3	COM	Black
4	+12 VADC	Yellow

DC Peripheral Connectors P8 and P9

Pin Number	Signal Name	18-AWG Wire
1	+12 VBDC	White
2	COM	Black
3	COM	Black
4	+5 VDC	Red

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