Dell XPS 420 Removing the Power Supply, DC Power Connector P15 For 425-W PSU Only, 165

book.book Page 165 Tuesday, November 27, 2007 10:29 AM

DC Power Connector P15 (For 425-W PSU Only)

4 5 6

1 2 3

Pin Number	Signal Name	18-AWG Wire Color
1	+12 VC DC	Blue/White
2	+12 VC DC	Blue/White
3	+12 VC DC	Blue/White
4	COM	Black
5	COM	Black
6	COM	Black

NOTE: The P15 connector is intended for use with the PCI Express graphics cards whose power requirements exceed 75 watts.

Removing the Power Supply

1Follow the procedures in "Before You Begin" on page 99.

2Remove the computer cover (see "Removing the Computer Cover" on page 101).

NOTICE: Note the location and ID of each power connector before disconnecting the power supply cables.

3Follow the DC power cables that stem from the power supply and disconnect each connected power cable.

NOTE: Note the routing of the power cable bundles as you disconnect them. You must route these cables properly when you replace them to prevent them from being pinched or crimped.

4Remove the four screws that attach the power supply assembly to the back of the chassis.

Removing and Installing Parts

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