ontents
Notices...........................................................................................................................................................5
Voltage Supply Switch Settings .......................................................................................................................5
Safety Information ...........................................................................................................................................6
Laser Compliance Statement ..........................................................................................................................24
Trademarks.....................................................................................................................................................25
Preface............................................................................................................................................................26
General Information ......................................................................................................................................27
Product Overview............................................................................................................................................29
Hardware Interfaces ........................................................................................................................................32
CMOS Reset...................................................................................................................................................33
Flash (BIOS/VPD) update procedure...............................................................................................................34
BIOS Setup Utility............................................................................................................................................35
Working with the Setup Menus .................................................................................................................35
Starting the Setup Utility...........................................................................................................................35
Advanced Setup.......................................................................................................................................38
Power Management Setup .......................................................................................................................39
ISA Legacy Resources .............................................................................................................................39
System Security .......................................................................................................................................39
Specifications ..................................................................................................................................................41
Operating Requirements .................................................................................................................................42
Special Tools...................................................................................................................................................43
CheckProcedures..........................................................................................................................................45
Introduction .....................................................................................................................................................46
Start ................................................................................................................................................................47
Index of Symptoms, Messages, Error Codes, or Beeps...................................................................................50
Troubleshooting ..............................................................................................................................................59
Factory-Installed Storage Devices ............................................................................................................60
Factory-Installed Modem Card .................................................................................................................61
Audio (Not Supported by Diagnostics Program)........................................................................................62
CD-ROM Drive .........................................................................................................................................63
Memory ....................................................................................................................................................64
Keyboard..................................................................................................................................................64
Mouse ......................................................................................................................................................65
Power Supply ...........................................................................................................................................66
Monitor .....................................................................................................................................................68
Undetermined Problems...........................................................................................................................69
Diagnostic Aids .............................................................................................................................................71
Introduction .....................................................................................................................................................72
Power-On Self Test.........................................................................................................................................73
Diagnostics Tools............................................................................................................................................74
Using Diagnostics Program from Recovery CD ........................................................................................74
Diagnostics Program Features .................................................................................................................75
Repair Information ........................................................................................................................................77
Removals and Replacements of Machine Types 6270, 6276, 6279 and 6280 .................................................78
Identifying the Parts of the System Unit ...........................................................................................................79
Top Cover .......................................................................................................................................................81
Adapter Cards ..........................................................................................................................................82
Diskette Drive...........................................................................................................................................83
CD-ROM Drive .........................................................................................................................................84
Hard Disk Drive ...............................................................................................................................................85
System Board..................................................................................................................................................86
Power Supply ...........................................................................................................................................87
Memory (DIMM) ..............................................................................................................................................88
Removals and Replacements of Machine Types 6266 and 6286.....................................................................89
Identifying the Parts of the System Unit ...........................................................................................................90
Top Cover .......................................................................................................................................................91
Adapter Cards ..........................................................................................................................................92
Diskette Drive...........................................................................................................................................93
CD-ROM Drive .........................................................................................................................................94
Hard Disk Drive ...............................................................................................................................................95
System Board..................................................................................................................................................96
Power Supply ...........................................................................................................................................97
Memory (DIMM) .......................................................................................................................................98
Copyright IBM Corp. 2000
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