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Technical Overview

Dell™ Dimension™ 2400 Series 

  Looking Inside Your Computer

  System Board Components

  Power Supply DC Connector Pin Assignments

Looking Inside Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual or Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the computer cover.

System Board Components

Power Supply DC Connector Pin Assignments

DC Power Connector P1

Pin Number	Signal name	18-AWG Wire
1	+3.3 VDC	Orange
2	+3.3 VDC	Orange
3	COM	Black
4	+5 VDC	Red
5	COM	Black
6	+5 VDC	Red
7	COM	Black
8	POK*	Gray
9	+5 VFP	Purple
10	+12 VDC	Yellow
11	+3.3 VDC	Orange
12	–12 VDC*	Blue
13	COM	Black
14	PS ON*	Green
15	COM	Black
16	COM	Black
17	COM	Black
18	-	No connect
19	+5 VDC	Red
20	+5 VDC	Red
*Use 22-AWG wire instead of 18-AWG wire.

DC Power Connector P2

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

DC Power Connectors P3, P5, P6, P8 and P9

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

DC Power Connector P4

Pin Number	Signal Name	22-AWG Wire
1	-	No connect
2	COM	Black
3	COM	Black
4	+3.3 VDC	Orange
5	+5VDC	Red
6	+12VDC	Yellow

DC Power Connector P7

Pin Number	Signal Name	22-AWG Wire
1	+5 VDC	Red
2	COM	Black
3	COM	Black
4	+12 VDC	Yellow

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