Dell DR4000 - Manual (Page 7)

Contents 7
Control Panel Assembly—LED . . . . . . . . . . . . . 104
Removing the Control-Panel Module–LED . . . . . 104
Installing the Control-Panel Module–LED
. . . . .
106
Front-Panel I/O Module . . . . . . . . . . . . . . . . . 107
Removing the Front-Panel I/O Module . . . . . . . 107
Installing the Front-Panel I/O Module . . . . . . . 109
SAS Backplane . . . . . . . . . . . . . . . . . . . . . 109
Removing the SAS Backplane . . . . . . . . . . . 109
Installing the SAS Backplane
. . . . . . . . . . .
112
Power Distribution Board . . . . . . . . . . . . . . . . 113
Removing the Power Distribution Board . . . . . . 113
Installing the Power Distribution Board . . . . . . 115
System Board . . . . . . . . . . . . . . . . . . . . . . 116
Removing the System Board . . . . . . . . . . . . 116
Installing the System Board
. . . . . . . . . . . .
118
4 Troubleshooting Your System
. . . . . . . .
121
Safety First—For You and Your System . . . . . . . . . 121
Troubleshooting System Startup Failure . . . . . . . . 121
Troubleshooting External Connections
. . . . . . . . .
121
Troubleshooting the Video Subsystem . . . . . . . . . 122
Troubleshooting a USB Device . . . . . . . . . . . . . 122
Troubleshooting a Serial I/O Device . . . . . . . . . . 123
Troubleshooting a NIC . . . . . . . . . . . . . . . . . . 123
Troubleshooting an NVRAM card . . . . . . . . . . . . 124
book.book Page 7 Friday, January 6, 2012 2:11 PM