vi
7 Solving Problems
Resetting the System ........................................................................................................123
Initial System Startup ........................................................................................................123
Checklist ...................................................................................................................123
Running New Application Software ...................................................................................124
Checklist ...................................................................................................................124
After the System Has Been Running Correctly..................................................................124
Checklist ...................................................................................................................124
More Problem-solving Procedures ....................................................................................125
Preparing the System for Diagnostic Testing ............................................................125
Using PCDiagnostics ................................................................................................125
Monitoring POST ......................................................................................................126
Verifying Proper Operation of Key System Lights .....................................................126
Confirming Loading of the Operating System ...........................................................126
Specific Problems and Corrective Actions .........................................................................126
Power Light Does Not Light ......................................................................................127
No Beep Codes ........................................................................................................127
No Characters Appear on Screen .............................................................................127
Characters Are Distorted or Incorrect .......................................................................128
System Cooling Fans Do Not Rotate Properly ..........................................................128
Diskette Drive Activity Light Does Not Light ..............................................................128
Hard Disk Drive Activity Light Does Not Light ...........................................................129
CD-ROM Drive Activity Light Does Not Light ............................................................129
Network Problems ....................................................................................................129
PCI Installation Tips..................................................................................................129
Problems with Application Software ..................................................................................130
Bootable CD-ROM Is Not Detected ...................................................................................130
Error and Informational Messages ....................................................................................130
POST Codes and Countdown Codes .......................................................................130
POST Error Codes and Messages ....................................................................................134
8 Technical Reference
Connectors........................................................................................................................138
Main Power Connector .............................................................................................139
Auxiliary Power .........................................................................................................139
Diskette Drive ...........................................................................................................140
Front Panel Connector..............................................................................................141
SMM Connector........................................................................................................142
IPMB.........................................................................................................................143
VGA Video Port ........................................................................................................143
Keyboard and Mouse................................................................................................144
Parallel Port ..............................................................................................................144
Serial Ports A and B .................................................................................................145
Universal Serial Bus .................................................................................................145
Narrow SCSI.............................................................................................................146
Wide SCSI ................................................................................................................147
IDE ...........................................................................................................................148
Summary of Contents for SC450NX - Server Platform - 0 MB RAM
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