AT&T PC 6300 Manuals

AT&T PC 6300 Manuals

Manuals and User Guides for AT&T PC 6300. We have 2 AT&T PC 6300 manuals available for free PDF download: Service Manual, User Manual

AT&T PC 6300 Service Manual

AT&T PC 6300 Service Manual (662 pages)

Brand: AT&T | Category: Desktop | Size: 32 MB

Table of Contents

Table of Contents
3
General
17
Introduction
17
Organization
20
Tools and Accessories
21
- System Overview
  25
Introduction
25
System Module
29
- Motherboard
  33
  - CPU and DMA Circuitry
    39
  - Memory
    40
  - Input/Output Peripheral Interfaces
    42
  - Input/Output Connectors
    46
  - Motherboard Component Layout
    49
- Display Controllers
  51
- Bus Converter
  55
- Input/Output (I/O) Expansion Bus Characteristics
  57
- Mini-Floppy Disk Unit(S)
  59
- Slim Hard Disk Units (Optional)
  61
- Hard Disk Unit Controllers (Optional)
  63
- Memory Expansion Board (Optional)
  66
- Power Supply
  68
Display Enhancement Board (Optional)
73
Small Expansion Box (Optional)
75
Display
76
- Monochrome Display
  76
- Color Display (Optional)
  78
Keyboard
80
Display and Keyboard Extension Cables
82
Configuration
83
Configuration
84
Site Preparation
91
Environmental Requirements
93
Physical Characteristics
94
Unpacking
95
Option Installation
96
- Removing System Module Covers
  97
  - Removing Upper Cover
    98
  - Removing Lower Cover
    99
- Upgrading Motherboard Memory to 256KB or
  100
- 640Kb
  100
- Installing Memory Expansion Board
  109
- Upgrading Memory Expansion Board Memory to 384KB
  115
- Installing 8087 Numeric Data Processor
  124
- Replacing Mini-Floppy Disk Unit with Hard Disk Unit
  130
- Installing Small Expansion Box
  151
- Installing the Display Enhancement Board
  165
- Installing DEB Software
  178
  - Floppy Disk Systems
    179
  - Hard Disk Systems
    182
- Troubleshooting the DEB Installation
  185
- Installing the Mouse
  188
  - Installing the Ball in the Mouse
    188
  - Connecting the Mouse to the Computer
    190
- Installing the Keyboard ROM
  192
System Installation
198
Applying Power to the System
203
Introduction
213
Resident Diagnostics
215
- Operating Procedures
  216
- Test Descriptions
  218
  - Error Messages
    223
Diagnostics
223
- Automatic Mode
  229
- Manual Mode
  231
Test Descriptions
238
- Motherboard Test
  238
- Memory Test
  239
- Keyboard Test
  240
- Video System Test
  241
- Parallel Port Test
  242
- Serial Port(S) Test
  243
- 48 TPI Floppy Disk Test
  243
- HDU Drive and Controller Test
  244
I Parallel Printer Test
245
- 8087 Math Co-Processor 4^41
  247
- Mouse Test
  247
- 8087 Math Co-Processor
  247
- 8530 Test
  248
- Video Option Board Test (DEB [Display Enhancement Board])
  248
A 2Nd HDU Drive and Controller Test
251
Loading System Test
253
System Test Diagnostics
253
Operating Procedures
254
Test Descriptions
264
- Motherboard Test
  264
- Memory Test
  266
- Keyboard Test
  268
- Video System Test
  269
- Parallel Port Test
  273
- Serial Port(S) Test (Using 8250)
  275
- 48 TPI Floppy Disk Test
  277
- MB HDU Drive and Controller Test
  280
- 8087 Math Co-Processor
  283
- Parallel Printer Test
  283
- Mouse Test
  285
- 8530 Test
  286
- Video Option Board Test [Display Enhancement Board (DEB)]
  286
- 2Nd HDU Drive and Controller Test
  289
System Test Diagnostics (Overlay Version)
293
- Loading System Test (Overlay Version)
  293
Stand-Alone Motherboard Dma
295
Test Diagnostics
295
- Dmatest
  295
Stand-Alone Low-Level Format
298
Utility Test
298
- General Characteristics
  299
- The Bad Track Table
  301
- List of Operations
  302
- Help
  307
- HDU Configuration
  308
- Low-Level Format
  311
- Display and Edit Bad Track Table
  316
- Format Bad Tracks
  325
- Verify Surface Test
  327
- Ship the Unit
  330
- Exit Low-Level Format (LLF) Utility
  331
Customer and System Test Error Messages
333
- 100-Motherboard Tests
  333
- 300-Memory Tests
  335
- 400-Keyboard Tests
  339
- 500-Video Tests
  343
- 600-Parallel Port Tests
  350
- 700-8250 Serial Port Tests
  351
- 800-MFD Unit Tests
  353
- 900-HDU Tests
  355
- Loxx-Parallel Printer Tests
  358
- 18XX-8087-2 Numeric Co-Processor Tests
  358
- 20XX-Mouse Tests
  359
- 21XX-8530 Serial Port Tests
  360
- 23XX-Video Option Board (DEB) Tests
  361
- 24XX-HDU Drive No. 2 Tests
  373
  - Maintenance
    379
General
383
- Troubleshooting
  383
- Replacing Faulty Modules
  383
- Reminders
  384
Troubleshooting Without System Test
385
- System will Not Power up Normally
  385
- System Load Check on Power Supply
  387
  - Short Isolation Procedure
    397
- Display Check
  404
- Mini-Floppy Disk Unit Check
  406
  - Two Mini-Floppy Disk Units
    406
  - One MFD Unit and One HDU
    411
  - System will Not Access Hard Disk '5-36
    414
- Hard Disk Problems
  416
- Problems that May Occur in a One/Two Hard Disk
  417
- Placing Low-Level Format and Bad Track Mapping on the Hard Disk
  419
  - Partition Hard Disk for MS-DOS
    423
  - Formatting the Hard Disk
    425
- Hard Disk Unit "Not Ready" on Cold Start
  428
- Resident Diagnostic Error Messages
  429
Test
432
- Motherboard
  432
- Parallel Port
  432
- Motherboard
  433
- Random Access Memory (RAM)
  437
- Determining Faulty RAM Chips
  443
- Keyboard
  450
- Video System
  451
- Parallel Port
  466
- Serial Port Test (Using 8250)
  469
- Mini-Floppy Disk Drive
  472
- Hard Disk Unit
  477
- Parallel Printer Test
  483
- 8087-2 Math Co-Processor
  487
- Mouse
  490
- Mouse Test
  492
- 8530 Serial Port Test
  496
- Video Option Board
  499
- Video Option Board Test
  503
- Second Hard Disk Unit
  513
- Test Description
  520
- Loading DMA Test
  520
  - Loading DM a Test
    520
  - Stand-Alone Motherboard Dma
    520
  - Test Diagnostics
    520
  - Operating Procedures
    521
Troubleshooting with System
432
Power Supply Adjustment
523
Modules
526
- Replacing Faulty Modules
  526
- Removing Upper System Module Cover
  527
- Removing Lower System Module Cover
  528
- Replacing Power Supply Unit
  529
- Replacing Fan
  534
- Replacing Motherboard
  535
- Replacing Bus Converter
  539
- Replacing Display Controller
  540
- Replacing Lower Mini-Floppy Disk Unit
  546
- Replacing Upper Mini-Floppy Disk Unit
  553
- Replacing Slim HDU
  558
- Replacing Memory Expansion Board
  564
- Replacing HDU Controller
  565
- Replacing Small Expansion Box (External HDU)
  567
- Replacing Memory Chips
  571
- Mouse Care and Cleaning
  576
- Cleaning Keyboard Contacts
  579
- Appendix A: Switches
  583
Introduction
583
- Jumpers
  583
- DIP Switch Setting
  583
- Switches
  585
- Jumpers
  588
- Motherboard
  589
- DIPSW-0 Settings
  592
- DIPSW-1 Settings
  595
Hard Disk Controllers
598
- Hdus Supported
  611
Display Controller Board
612
- Display Controller Jumpers
  612
- Video Disable Option
  614
- P4 Display Controller Board
  614
- P8 Display Controller Board
  616
- Display Enhancement Board Jumpers
  617
Mini-Floppy Disk Units
620
- Resistor Pack or Terminating Resistor
  621
- Toshiba Mini-Floppy Disk Unit
  621
- OPE Mini-Floppy Disk Unit
  623
- Matsushita Mini-Floppy Disk Unit
  625
Hard Disk Unit
627
- Jumper and Switch Setting
  627
At&T Pc 6300 Acceptance
636
- Appendix B: Field
  639
Field Replaceable
639
Modules
639

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AT&T PC 6300 User Manual

AT&T PC 6300 User Manual (456 pages)

Olivetti M24

Brand: AT&T | Category: Desktop | Size: 17 MB

Table of Contents

Table of Contents
3
What Is MS-DOS
9
What Is Covered in this Guide
9
How to Enter Keystrokes
9
What Is Included with this Guide
9
Before You Start MS-DOS
17
About Diskettes
17
Caring for Diskettes
17
Write-Enable Notch
24
Why Copy Your MS-DOS System Diskettes
26
Diskettes Need to be Formatted
27
What System Do You Have
28
If You Have a Single-Diskette Drive System
29
If You Have a Two-Diskette Drive System
30
If You Have a Fixed Disk Drive and a Diskette Drive System
31
Files
32
Naming Files
33
Reserved Filenames and Extensions
38
Wild Card Characters
40
File Specifications
42
Starting MS-DOS
43
Loading MS-DOS
43
Inserting Diskettes
47
If Your
48
If Your Computer Is on
49
When MS-DOS Is Ready: the Prompt
50
Entering Commands
51
If You Make a Mistake
53
Stopping the Screen to Read It
54
Printing What Is on the Screen
55
The Default Drive
56
Using a Fixed Disk Drive
58
Using MS-DOS Only
60
Partitioning Your Fixed Disk
63
Creating the MS-DOS Partition
65
Changing the Active Partition
69
Deleting the MS-DOS Partition
70
Displaying the Partition Map
71
Organizing Your Fixed Disk
72
Using Subdirectories
78
Using MS-DOS Commands
79
MS-DOS Commands for Common Tasks
81
Formatting a Diskette
83
Finding out What Files Are on a Diskette
87
Copying a Diskette
90
Comparing Diskettes
95
Copying a File
100
Comparing Files
104
Changing a Filename
111
Removing a File from a Diskette
113
Processing a Series of Commands Automatically
115
Helpful Hints
117

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