NEC EXPRESS5800/120Re-2 Service Manual page 8

Using Internal Hard Disk Drives in a Disk Array Configuration................................4-35
SCSI Cabling...............................................................................................................4-35
LED Relay Cabling .....................................................................................................4-36
Disk Array Configuration of Internal Hard Disk Drives.............................................4-37
Backup Device..................................................................................................................4-38
Installing a Backup Device..........................................................................................4-39
Removing a Backup Device ........................................................................................4-48
Hard Disk Drive................................................................................................................4-49
Installing a Hard Drive into the Hard Drive Bay.........................................................4-50
Installing a Hard Disk Drive into the Flex Bay...........................................................4-52
Removing a Hard Disk Drive from the Hard Drive Bay.............................................4-55
Inserting the Floppy Disk or CDROM Drive into the Flex Bay.......................................4-57
Power Supply Unit............................................................................................................4-58
Installing a Power Supply............................................................................................4-58
Replacing a Power Supply...........................................................................................4-60
Replacing a CD-ROM Drive or a Floppy Disk Drive ......................................................4-61
Replacing a CD-ROM Drive/Floppy Disk Drive Bracket................................................4-63
Replacing a Chassis Handle..............................................................................................4-64
Removing a Fan................................................................................................................4-65
Replacing the Front Panel Board......................................................................................4-69
Replacing the SCSI Backplane.........................................................................................4-71
Replacing the Power Supply Cage ...................................................................................4-73
Replacing the System Board.............................................................................................4-74
5 Problem Solving
Problem Solving .................................................................................................................5-2
Static Precautions ...............................................................................................................5-2
Resetting the Server............................................................................................................5-3
Forced Shutdown................................................................................................................5-3
Troubleshooting Checklists ................................................................................................5-4
Initial System Startup ....................................................................................................5-4
Running New Application Software .............................................................................5-5
After System Has Been Running Correctly...................................................................5-6
Diagnostic Procedures ........................................................................................................5-7
Error Checking ..............................................................................................................5-7
Troubleshooting Guide..................................................................................................5-7
Preparing the System for Diagnosing Problems ....................................................5-7
Monitoring POST ..................................................................................................5-8
Verifying Proper Operation of Key System Indicators .........................................5-9
Confirming Loading of the Operating System ......................................................5-9
Specific Problems and Corrective Actions .......................................................................5-10
Power LED Does Not Light ........................................................................................5-10
Incorrect or No Beep Code..........................................................................................5-10
No Characters Appear on Screen ................................................................................5-11
Characters are Distorted or Incorrect ..........................................................................5-11
System Cooling Fans Do Not Rotate...........................................................................5-11
Diskette Drive Activity LED Does Not Light .............................................................5-12
CD-ROM Drive Activity Light Does Not Light .........................................................5-12
Problems with Application Software...........................................................................5-12
Bootable CD-ROM Is Not Detected............................................................................5-13
Problems with the Network ..............................................................................................5-13
Plug and Play Installation Tips.........................................................................................5-13
Error Messages .................................................................................................................5-14
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