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Dell PowerEdge R920 - Page 6

Dell PowerEdge R920
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Processors..............................................................................................................................................................83
Removing A Heat Sink Blank ...........................................................................................................................83
Installing A Heat Sink Blank.............................................................................................................................84
Removing A Processor.....................................................................................................................................85
Installing A Processor......................................................................................................................................88
Power Supplies.......................................................................................................................................................89
Hot Spare Feature............................................................................................................................................ 90
Removing An AC Power Supply....................................................................................................................... 90
Installing An AC Power Supply........................................................................................................................ 91
Wiring Instructions For A DC Power Supply.................................................................................................... 92
Assembling And Connecting The Safety Ground Wire.................................................................................... 92
Assembling The DC Input Power Wires...........................................................................................................93
Removing A DC Power Supply......................................................................................................................... 94
Installing A DC Power Supply.......................................................................................................................... 95
Removing The Power Supply Blank................................................................................................................. 96
Installing The Power Supply Blank.................................................................................................................. 96
Power Distribution Board....................................................................................................................................... 96
Removing The Power Supply Bay.................................................................................................................... 97
Installing The Power Supply Bay..................................................................................................................... 98
Removing The Power Distribution Board.........................................................................................................98
Installing The Power Distribution Board..........................................................................................................99
System Battery....................................................................................................................................................... 99
Replacing The System Battery.........................................................................................................................99
Hard-Drive Backplane.......................................................................................................................................... 100
Removing The Hard-Drive Backplane............................................................................................................101
Installing The Hard-Drive Backplane.............................................................................................................110
SAS Expander Daughter Card...............................................................................................................................110
Removing The SAS Expander Daughter Card................................................................................................110
Installing The SAS Expander Daughter Card................................................................................................. 111
Control Panel Board..............................................................................................................................................111
Removing The Control Panel Board............................................................................................................... 111
Installing The Control Panel Board................................................................................................................ 112
System Board........................................................................................................................................................113
Removing The System Board.........................................................................................................................113
Installing The System Board.......................................................................................................................... 114
4 Troubleshooting Your System...............................................................................................116
Safety First—For You And Your System............................................................................................................... 116
Troubleshooting System Startup Failure.............................................................................................................. 116
Troubleshooting External Connections.................................................................................................................116
Troubleshooting The Video Subsystem................................................................................................................116
Troubleshooting A USB Device............................................................................................................................ 116

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