IBM 6648 Personal Computer User Manual


 
Fan/speaker bracket removal .....64
Power supply removal .......65
Components of the riser card .....65
A40 and A40P system board layout ....67
System board locations .......67
A40/A40P System board jumper settings 67
A40/A40P Clear CMOS/Flash Boot
BlockRecovery.........67
A40/ A40P Processor Speed Settings . . 68
A40/A40P Diskette Write Access . . . 68
Symptom-to-FRUindex........69
Beepsymptoms..........70
No-beepsymptoms........72
POST error codes .........72
Miscellaneous error messages .....87
Undetermined problems ........90
Model tables - Country/Region/Language. . 91
Parts - Types 6568/6569/6648/6649 ....92
Parts listing ...........93
Keyboards - 6568/6569
(PCNext Lite Pearl White) .....95
Keyboards - 6648/6649
(PCNextLiteBlack).......96
ComputerPowerCords......98
Display and Monitor Information . . . 98
Special tools ...........98
Chapter 3. Types 6058/6059/6269/6578/6579 99
Product description .........101
Specifications Information (ISO/ANSI) 102
Specifications -
Types 6058/60596269/6578/6579....102
General checkout ..........104
Module test menu and hardware
configurationreport........106
Keyboard ...........107
Printer............107
Power supply ..........108
20-pin main power supply connection 109
Display............110
Diagnostics, test and recovery information 111
Power-On Self-Test (POST) ......111
POST beep codes .........112
Errorcodeformat.........112
Product Recovery Program menu . . . 112
IBM PC Enhanced Diagnostics ....113
Enhanced Diagnostics download or
diskette ...........113
Navigating through the diagnostics
programs ..........114
Running diagnostics tests .....114
Test selection .........114
IBM PC Enhanced Memory
Diagnostics ..........115
Alert-On LAN test .......115
Asset ID test .........115
Testresults..........115
Hard file Smart test .......117
IBM Fixed Disk Optimized Test . . . 117
Quick and Full erase - hard drive . . 119
Iomega Zip drive test ......119
Asset EEPROM backup ......120
Viewing the test log .......120
SIMM/DIMM/RIMM memory errors 121
Setup Utility program .......122
Hard disk drive boot error ......123
When to use the Low-Level Format
program............123
Preparing the hard disk drive for use . . 123
Additional service information .....124
Replacing a processor .......125
Replacing a system board ......125
Security features .........125
Passwords..........126
Vital product data........127
Management Information Format
(MIF)............127
Alert on LAN .........128
Hard disk drive jumper settings ....128
CD-ROM drive jumper settings ....129
BIOSlevels...........129
Flash (BIOS/VPD) update procedure . . 130
Flash recovery boot block jumper . . . 131
Power management ........131
Automatic configuration and power
interface (ACPI) BIOS ......131
Advanced Power Management . . . 131
Automatic Hardware Power
Management features ......132
Setting Automatic Hardware Power
Management features ......132
AutomaticPower-Onfeatures....133
Network settings .........133
Flash over LAN (update POST/BIOS
overnetwork).........134
WakeonLAN.........135
System board memory .......135
Supported memory configuration . . 135
Computer exploded view -
Types 6058/6059/6269/6578/6579 ....136
x Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649