UPGRADING REPAIRING PCs

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Upgrading and Repairing <strong>PCs</strong> Technician’s Portable Reference, Second Edition Copyright© 2001 by Que All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. International Standard Book Number: 0-7897-2454-5 Library of Congress Catalog Card Number: 00-104012 Printed in the United States of America First Printing: October 2000 02 01 00 4 3 2 1 Trademarks All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Que cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. Warning and Disclaimer Every effort has been made to make this book as complete and accurate as possible, but no warranty or fitness is implied. The information provided is on an as is basis. The authors and the publisher shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book.
Associate Publisher Greg Wiegand Senior Acquisitions Editor Jill Byus Schorr Senior Development Editor Rick Kughen Managing Editor Thomas F. Hayes Project Editor Karen S. Shields Copy Editor Megan Wade Technical Editor Mark Reddin Proofreader Jeanne Clark Indexer Mary SeRine Interior Design Kevin Spear Cover Design Karen Ruggles Layout Technicians Heather Hiatt Miller Stacey Richwine-DeRome iii
Page 1: UPGRADING AND REPAIRING PCs TECHNIC
Page 5 and 6: Contents 1 General Technical Refere
Page 7 and 8: Contents vii IDE Hard Drive Identif
Page 9 and 10: Serial Port Configuration 172 Avoid
Page 11 and 12: Contents xi Sound Quality Standards
Page 13 and 14: About the Authors Scott Mueller is
Page 15 and 16: watch, photograph, and (occasionall
Page 17 and 18: Tell Us What You Think! As the read
Page 19 and 20: Chapter 1 General Technical Referen
Page 21 and 22: Understanding Bits, Nibbles, and By
Page 23 and 24: Note Glossary of Essential Terms 5
Page 25 and 26: Glossary of Essential Terms 7 Table
Page 27 and 28: Glossary of Essential Terms 9 Table
Page 29 and 30: Table 1.5 Hexadecimal/ASCII Convers
Page 31 and 32: Hexadecimal/ASCII Conversions 13 Ta
Page 33 and 34: Table 1.5 Hexadecimal/ASCII Convers
Page 35: Hexadecimal/ASCII Conversions 17 Ta
Page 38 and 39: 20 Chapter 2—System Components an
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34 Chapter 2—System Components an
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36 Caution Chapter 2—System Compo
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38 Table 2.15 Troubleshooting Power
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44 modules can be divided by 9, but
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50 Other Add-On Card Configuration
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Chapter 3 3 BIOS Configurations and
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Where BIOS Updates Come From 71 Tab
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How to Recover from a Failed BIOS U
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Note A complete list of PnP device
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Other BIOS Troubleshooting Tips 77
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Determining the Motherboard Manufac
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Determining the Motherboard Manufac
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Table 3.8 Common Keystrokes Used to
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Phoenix BIOS Beep Codes The followi
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Port 80h Beep Code Codes Error Mess
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BIOS Configuration Worksheet 89 BIO
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BIOS Configuration Worksheet 91 Sha
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4 SCSI and IDE Hard Drives and Opti
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Cable key prevents improperly plugg
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Breaking the 504MB (528-Million-Byt
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Table 4.3 Using LBA Mode Operating
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5. Use the #4 option—View Current
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Using LBA Mode 103 Table 4.6 Why ID
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Sources for BIOS Upgrades 105 Table
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Improving Hard Disk Speed 107 Figur
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Bus-Mastering Chipsets for IDE 109
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Table 4.13 Bus-Mastering Chipsets b
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Table 4.14 Other IDE Drive Installa
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standard single-ended SCSI devices
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SCSI Drive and Device Configuration
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SCSI Drive and Device Configuration
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Following these tips will help mini
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SCSI Configuration Troubleshooting
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Using FDISK 125 Using FDISK FDISK i
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Benefits of Hard Disk Partitioning
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How FDISK and the Operating System
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How FDISK and the Operating System
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Now, the operating system can use t
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The command switches are explained
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MS-DOS Command-Line Access to CD-RO
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• Make sure the drive shows up as
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Troubleshooting Optical Drives 141
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144 Chapter 5—Floppy, Removable,
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156 • OnStream’s ADR (Advanced
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160 Table 5.13 High-Performance Tap
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166 Chapter 6—Serial Ports and Mo
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168 Table 6.2 25-Pin (PC, XT, and P
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170 Table 6.4 Overview of UART Chip
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188 (These settings require changes
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190 Chapter 7—Parallel Ports, Pri
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192 Building a Parallel Loopback Pl
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