NEC LC1400 Service & Reference Manual page 5

Replacing the SECC2 Version......................................................................... 4-14
DIMMs......................................................................................................................4-16
Memory DIMM Configurations ...................................................................... 4-17
Installing DIMMs ........................................................................................... 4-18
Removing DIMMs.......................................................................................... 4-19
Option Boards......................................................................................................................4-20
Installation Considerations .........................................................................................4-20
Installing an Option Board .........................................................................................4-21
Removing an Option Board........................................................................................4-24
Installing a RAID Controller Board......................................................................................4-24
Hard Disk Drives .................................................................................................................4-25
Installing or Swapping a Hard Disk Drive in a Hot-swap Bay.....................................4-26
Installing or Swapping a Hard Disk Drive ..................................................................4-27
Removable Media Devices...................................................................................................4-30
Installing a 5.25-Inch Media Device...........................................................................4-31
Removing a 5.25-Inch Device ....................................................................................4-36
Removing the Front Panel of the Rack-Mount System..........................................................4-38
Removing the Front Door Assembly of the Tower-Based System.........................................4-39
Removing the Top Cover .....................................................................................................4-40
Removing the Chassis Skirt..................................................................................................4-41
Removing a Chassis Foot .....................................................................................................4-42
Removing the Front Panel Speaker/Switch Assembly...........................................................4-44
Removing the Keylock Bracket............................................................................................4-46
Removing the Side Panel Intrusion Switch Assembly...........................................................4-47
Removing the Front Cover Intrusion Switch Assembly of the Tower-Based System .............4-48
Removing the Fans ..............................................................................................................4-49
Removing the Power Supply ................................................................................................4-50
Removing the System Board and Processor Retention Module .............................................4-51
Removing the SAF-TE Card ................................................................................................4-54
Removing the SCSI Backplane.............................................................................................4-55
5 Problem Solving
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
Additional Troubleshooting Procedures................................................................................. 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..........................................................5-12
Problems with Application Software ..........................................................................5-12
Press F2 Key to Enter Setup: Prompt Does Not Display ............................................5-12
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