AT&T PC 6300 - Page 5

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Service Manual
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ENVIRONMENTAL
REQUIREMENTS 3-5
PHYSICAL CHARACTERISTICS 3 (5
UNPACKING 3-7
OPTION INSTALLATION 3-8
Removing System Module Covers 3-9
Removing Upper Cover 3-10
Removing Lower Cover 3-11
Upgrading Motherboard Memory to 256KB or
640KB 3-12
Installing Memory Expansion Board 3-21
Upgrading Memory Expansion Board Memory to
384KB 3-27
Installing 8087 Numeric Data Processor 3-36
Replacing Mini-Floppy Disk Unit With Hard Disk
Unit .' 3-42
Removing Upper MFD Unit 3-42
Installing 10- or 20-MB Hard Disk Units 3-46
Installing Hard Disk Controller Board 3-48
Setting DIP Switches and Jumpers 3-52
Installing Small Expansion Box 3-63
Installing the Display Enhancement Board 3-77
Installing DEB Software • • • • -^-90
Floppy Disk Systems 3-91
Hard Disk Systems 3-94
Troubleshooting the DEB Installation . 3-97
Installing the Mouse 3-100
Installing the Ball in the Mouse 3-100
Connecting the Mouse to the Computer 3-102