UPGRADING REPAIRING PCs

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140 Chapter 4—SCSI and IDE Hard Drives and Optical Drives • Check to see that you are using bus-mastering drivers on compatible systems; install the appropriate drivers for the motherboard’s chipset and operating system in use. • Check to see whether you are using the CD-ROM interface on your sound card instead of an IDE connection on the motherboard. Move the drive connection to the IDE interface on the motherboard and disable the sound card IDE, if possible, to free up IRQ and I/O port address ranges. • Open the System Properties Control Panel and select the Performance tab to see whether the system is using MS-DOS Compatibility mode for the CD-ROM drive. If all the IDE drives are running in this mode, see www.microsoft.com and query on “MS-DOS Compatibility Mode” for a troubleshooter. If only the CD-ROM drive is in this mode, see whether you’re using CD-ROM drivers in CONFIG.SYS and AUTOEXEC.BAT. Remove the lines containing references to the CD-ROM drivers (don’t actually delete the lines—REM them), reboot the system, and verify that your CD-ROM drive still works and that it’s running in 32-bit mode. Some older drives require at least the CONFIG.SYS driver to operate. Trouble Using Bootable CDs Bootable CDs are terrific vehicles for installing a standard software image on a series of computers, or as a “bulletproof” method of running antivirus software, but they can be tricky to use. If you are having problems using a bootable CD, try these possible solutions: • Check the contents of bootable floppy disk from which you copied the boot image during the creation of the bootable CD. To access entire contents of a CD-R, a bootable disk must contain CD-ROM drivers, AUTOEXEC.BAT, and CONFIG.SYS. Test the bootable disk by starting the system with it and seeing whether you can access the CD-ROM drive afterward. • Use ISO 9660 format. Don’t use the Joliet format because it is for long-filename CDs and can’t boot. • Check your system’s BIOS for boot compliance and boot order; CD-ROM should be listed first. • Check the drive for boot compliance. • SCSI CD-ROMs need a SCSI card with BIOS and bootable capability, as well as special motherboard BIOS settings.
Troubleshooting Optical Drives 141 • You must use your mastering software’s Bootable CD option to create the bootable CD-ROM from the files on the bootable floppy. The bootable disk’s AUTOEXEC.BAT, CONFIG.SYS, and basic boot files are stored on a bootable CD as files called BOOTIMG.BIN and BOOTCAT.BIN by the mastering software’s Bootable CD mastering option.
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UPGRADING AND REPAIRING PCs TECHNIC
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Associate Publisher Greg Wiegand Se
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Contents 1 General Technical Refere
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Contents vii IDE Hard Drive Identif
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Serial Port Configuration 172 Avoid
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Contents xi Sound Quality Standards
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About the Authors Scott Mueller is
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watch, photograph, and (occasionall
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Tell Us What You Think! As the read
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Chapter 1 General Technical Referen
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Understanding Bits, Nibbles, and By
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Note Glossary of Essential Terms 5
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Glossary of Essential Terms 7 Table
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Glossary of Essential Terms 9 Table
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Table 1.5 Hexadecimal/ASCII Convers
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Hexadecimal/ASCII Conversions 13 Ta
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Table 1.5 Hexadecimal/ASCII Convers
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Hexadecimal/ASCII Conversions 17 Ta
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20 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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Page 115 and 116: Breaking the 504MB (528-Million-Byt
Page 117 and 118: Table 4.3 Using LBA Mode Operating
Page 119 and 120: 5. Use the #4 option—View Current
Page 121 and 122: Using LBA Mode 103 Table 4.6 Why ID
Page 123 and 124: Sources for BIOS Upgrades 105 Table
Page 125 and 126: Improving Hard Disk Speed 107 Figur
Page 127 and 128: Bus-Mastering Chipsets for IDE 109
Page 129 and 130: Table 4.13 Bus-Mastering Chipsets b
Page 131 and 132: Table 4.14 Other IDE Drive Installa
Page 133 and 134: standard single-ended SCSI devices
Page 135 and 136: SCSI Drive and Device Configuration
Page 137 and 138: SCSI Drive and Device Configuration
Page 139 and 140: Following these tips will help mini
Page 141 and 142: SCSI Configuration Troubleshooting
Page 143 and 144: Using FDISK 125 Using FDISK FDISK i
Page 145 and 146: Benefits of Hard Disk Partitioning
Page 147 and 148: How FDISK and the Operating System
Page 149 and 150: How FDISK and the Operating System
Page 151 and 152: Now, the operating system can use t
Page 153 and 154: The command switches are explained
Page 155 and 156: MS-DOS Command-Line Access to CD-RO
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Page 178 and 179: 160 Table 5.13 High-Performance Tap
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Page 186 and 187: 168 Table 6.2 25-Pin (PC, XT, and P
Page 188 and 189: 170 Table 6.4 Overview of UART Chip
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190 Chapter 7—Parallel Ports, Pri
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192 Building a Parallel Loopback Pl
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