4
Parts/Test Point Locations ...........................................................................................................................99
Introduction .....................................................................................................................................................100
Layout of System Board of Machine Types 6266, 6270, 6276, 6279 ...............................................................101
Connectors and Functions of System Board of Machine Types 6266, 6270, 6276, 6279 ..........................102
Power Supply Cable Connector Specifications ................................................................................................103
Main Output Pin Assignment ....................................................................................................................104
Factory-Installed Modem Card Layout .............................................................................................................106
Factory-Installed Modem Card Connector Functions ................................................................................106
3.5-In. Hard Disk Drive Jumper Locations & Settings.......................................................................................107
CD-ROM Drive ................................................................................................................................................108
CD-ROM Drive Rear Panel Connectors and Features..............................................................................108
CD-ROM Drive Jumper Settings...............................................................................................................109
DIMM Configurations.......................................................................................................................................110
System Board Connector Pin Signals ..............................................................................................................111
Monitor Port Signals .................................................................................................................................111
Serial Port Signals....................................................................................................................................111
Parallel Port Signals .................................................................................................................................111
Mouse Port Signals ..................................................................................................................................111
Keyboard Port Signals..............................................................................................................................112
Diskette Drive Cable Connector Signals ...................................................................................................113
IDE Cable Connector Signals ...................................................................................................................114
Safety Inspection Guide................................................................................................................................115
General Guidelines..........................................................................................................................................116
Parts Catalog of Machine Type.....................................................................................................................117
Parts Catalog of Machine Types 6270, 6276, 6279 and 6280..........................................................................118
Assembly 1: System Unit..........................................................................................................................118
Assembly 2: Diskette Drive, Hard Disk Drive ............................................................................................120
Assembly 3: CD-ROM, Modem Card........................................................................................................121
Assembly 4: Keyboard and Mouse ...........................................................................................................123
Parts Catalog of Machine Types 6266 .............................................................................................................126
Assembly 2: Diskette Drive, Hard Disk Drive ............................................................................................128
Assembly 3: CD-ROM, Modem Card........................................................................................................129
Assembly 4: Keyboard and Mouse ...........................................................................................................130
Appendix A. Online Support Information.....................................................................................................132