IBM PC 300 Maintenance Service Manual page 4

Removals and Replacements of machine type 2196, 2197, and 6344.................................................................... 99
Identifying the Parts of the System Unit .................................................................................................................. 100
Top Cover ...................................................................................................................................................... 102
Adapter Cards................................................................................................................................................ 103
Diskette Drive................................................................................................................................................. 104
CD-ROM Drive ............................................................................................................................................... 105
Hard Disk Drive.............................................................................................................................................. 106
System Board ................................................................................................................................................ 107
Power Supply................................................................................................................................................. 108
Memory (DIMM) ............................................................................................................................................. 109
Parts/Test Point Locations ................................................................................................................................... 111
Introduction ............................................................................................................................................................. 112
Layout of System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP)............................................. 113
Jumper Settings of the System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP)............... 114
Connectors and Functions of System Board of Machine Types 2194 (Italy), 2197 and 6344 (EMEA/AP)..... 115
Layout of System Board of Machine Type 6344 (US/Canada/LA) .......................................................................... 116
Connectors and Functions of System Board of Machine Type 6344 (US/Canada/LA) .................................. 117
Layout of System Board of Machine Types 2193 and 2196.................................................................................... 118
Jumper Settings of the System Board of Machine Types 2193 and 2196...................................................... 119
Connectors and Functions of System Board of Machine Types 2193 and 2196............................................ 120
Layout of System Board of Machine Types 2194 and 6345.................................................................................... 121
Jumper and Connector Settings of the System Board of Machine Types 2194 and 6345 ............................. 122
Power Supply Cable Connector Specifications ....................................................................................................... 127
Main Output Pin Assignment.......................................................................................................................... 128
Factory-Installed Modem Card Layout .................................................................................................................... 130
Factory-Installed Modem Card Connector Functions ..................................................................................... 130
3.5-In. Hard Disk Drive Jumper Locations & Settings ............................................................................................. 131
CD-ROM Drive ........................................................................................................................................................ 132
CD-ROM Emergency-exit .............................................................................................................................. 132
CD-ROM Drive Rear Panel Connectors and Features................................................................................... 133
CD-ROM Drive Jumper Settings ............................................................................................................................. 133
DIMM Configurations .............................................................................................................................................. 134
System Board Connector Pin Signals ..................................................................................................................... 135
Monitor Port Signals....................................................................................................................................... 135
Serial Port Signals ......................................................................................................................................... 135
Parallel Port Signals....................................................................................................................................... 135
Mouse Port Signals ........................................................................................................................................ 135
Keyboard Port Signals ................................................................................................................................... 136
Diskette Drive Cable Connector Signals ........................................................................................................ 137
IDE Cable Connector Signals ........................................................................................................................ 138
Safety Inspection Guide........................................................................................................................................ 139
General Guidelines ................................................................................................................................................. 140
Parts Catalog ......................................................................................................................................................... 141
Parts Catalog of machine type 2193, 2194, and 6345 ............................................................................................ 142
Assembly 1: System Unit ............................................................................................................................... 142
Assembly 2: Diskette Drive, Hard Disk Drive ................................................................................................. 145
Assembly 3: CD-ROM, Modem Card ............................................................................................................. 146
Assembly 4: Keyboard and Mouse ................................................................................................................ 148
Parts Catalog of machine type 2196, 2197, and 6344 ............................................................................................ 152
Assembly 1: System Unit ............................................................................................................................... 152
Assembly 2: Diskette Drive, Hard Disk Drive ................................................................................................. 155
Assembly 3: CD-ROM, Modem Card ............................................................................................................. 156
Assembly 4: Keyboard and Mouse ................................................................................................................ 158
Appendix A. Online Support Information ............................................................................................................ 160
Index
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