152
Removing and Installing Parts
DC Power Connector P16 (Graphics Card – 1-KW PSU Only)
NOTE:
The P15 and P16 connectors are intended for use with the PCI Express graphics cards whose power
requirements exceed 75 watts.
Removing the Power Supply
1
Follow the procedures in "Before You Begin" on page 85.
2
Remove the computer cover (see "Removing the Computer Cover" on page 86).
NOTICE:
Note the location and ID of each power connector before disconnecting the power supply cables.
3
Follow 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.
4
Remove all hard drives installed in the interior hard drive bays (see "Removing a Hard Drive" on
page 108).
5
Remove the optional hard drive fan, if applicable (see "Removing the Optional Hard Drive Fan" on
page 138).
6
Remove the two screws that attach each hard drive bay.
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
1
2
3
4
6
5
Summary of Contents for XPS 720
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell XPS 720 Owner s Manual Model DCDO ...
Page 48: ...48 Setting Up and Using Your Computer ...
Page 50: ...50 Optimizing for Greater Performance ...
Page 52: ...52 Dell QuickSet ...
Page 84: ...84 Troubleshooting ...
Page 162: ...162 Removing and Installing Parts ...
Page 220: ...20 Index 220 Index ...