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Modifying the System Board..............................................................................................4-8
Replacing the Real-time Clock Battery.........................................................................4-8
Removing and Installing a Pentium III Processor .......................................................4-10
DIMMs ........................................................................................................................4-12
Option Boards...................................................................................................................4-15
Installation Considerations ..........................................................................................4-15
Installing an Option Board ..........................................................................................4-15
Removing an Option Board.........................................................................................4-17
Installing a RAID Controller Board .................................................................................4-18
System Fans......................................................................................................................4-19
Replacing the Rear Exhaust Fan .................................................................................4-19
Replacing the Front Input Fan.....................................................................................4-20
Replacing the SCSI Hard Disk Drive Bay Fan ...........................................................4-22
Hard Disk Drives.........................................................................................................4-23
Installing or Swapping a Hard Disk Drive in a Hot-Swap Bay...................................4-24
Replacing the Hot-Swap SCSI Disk Drive Cage and SCSI Backplane ......................4-28
Removable Media Devices...............................................................................................4-35
Removing the 3.5-Inch Diskette Drive Mounting Assembly ......................................4-35
Installing a 5.25-Inch Media Device ...........................................................................4-37
Removing a 5.25-Inch Device.....................................................................................4-40
Replacing the Power Supply.............................................................................................4-42
Replacing the Speaker ......................................................................................................4-43
Replacing the Top Cover..................................................................................................4-44
Replacing the LED Assembly ..........................................................................................4-45
Replacing the Switches Assembly....................................................................................4-47
Problem Solving................................................................. 5-1
Problem Solving .................................................................................................................5-2
Static Precautions ...............................................................................................................5-2
Troubleshooting Checklists ................................................................................................5-3
Initial System Startup ....................................................................................................5-3
Running New Application Software .............................................................................5-4
After System Has Been Running Correctly...................................................................5-5
Diagnostic Testing..............................................................................................................5-6
Error Checking ..............................................................................................................5-6
Troubleshooting Guide..................................................................................................5-6
Preparing the System for Diagnostic Testing ........................................................5-6
Monitoring POST ..................................................................................................5-7
Verifying Proper Operation of Key System Indicators .........................................5-8
Confirming Loading of the Operating System ......................................................5-8
Specific Problems and Corrective Actions .........................................................................5-9
Power LED Does Not Light ..........................................................................................5-9
Incorrect or No Beep Code..........................................................................................5-10
No Characters Appear on Screen ................................................................................5-10
Characters are Distorted or Incorrect ..........................................................................5-11
System Cooling Fans Do Not Rotate ..........................................................................5-11
Diskette Drive Activity LED Does Not Light.............................................................5-11
CD-ROM Drive Activity Light Does Not Light .........................................................5-11
Problems with Application Software ..........................................................................5-12
Bootable CD-ROM Is Not Detected ...........................................................................5-12
Problems with the Network ..............................................................................................5-12
Plug and Play Installation Tips.........................................................................................5-13
Contents v
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Table of Contents
Troubleshooting
