Personal Computer Types 6266, 6270, 6276, 6279, 6280 and 6286 User Guide...
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Third Edition (January 2001) The following paragraph does not apply to any state or country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Content Notices ......................vii Safety information ..................viii Installation .....................viii Safety while working with hardware............ix Lithium battery notice ................xi Regulatory safety notice for the CD-ROM and DVD-ROM drive ..xi Laser compliance statement ..............xii Consignes de sécurité ................xiii Consignes de sécurité lors de la manipulation du matériel ....xiv About this book ..................1-1 About this book ....................1-1 Where to find more information ..............1-3...
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Entering Setup ....................4-4 When the computer is on ..............4-4 Working with the Setup menus ..............4-5 Configuration/Setup Utility menu ............4-5 Viewing system information and product data ........4-6 Changing parameter settings ............... 4-7 Loading the default settings ..............4-7 Canceling changes ................
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Looking inside the system unit for microtower model........5-11 Adding and removing adapter cards and drives ........6-1 Resolving conflicts with installed adapter cards ..........6-2 Setting modem card configurations ............6-2 Working with the hardware in the system unit ..........6-3 Adding and removing adapter cards for desktop model ........6-4 Installing adapter cards .................6-4 Adding and removing adapter cards for microtower model ......6-5 Installing adapter cards .................6-5...
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Solving software problems ..............8-13 Solving modem problems ..............8-15 Error codes and messages ................8-17 IBM Diagnostic Programs ................8-20 Appendix A. Specification tables ............... A-1 Memory module placement ................A-1 Memory map ....................A-2 System input/output addresses ..............A-3 System interrupts ..................
Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only IBM's product, program, or service may be used.
Safety information Installation The construction of the IBM Personal Computer provides extra protection against the risk of electrical shock. The IBM computer has a power cord with a three-prong plug that is required to ground metal parts. It is the responsibility of the person installing the computer to connect it to a properly grounded electrical outlet.
Safety while working with hardware Each time you open your computer, you must follow specific safety procedures to ensure that you do not damage your computer. For your safety, and the safety of your equipment, follow the steps for “Disconnecting your computer” on page x before you remove the cover of the system unit (if included with the model you purchased).
Disconnecting your computer To disconnect your computer: 1. Turn off the computer and any attached devices that have their own power switches. 2. Unplug all power cables from electrical outlets. 3. Disconnect all communication cables (such as modem or network cables) from communication outlets.
Lithium battery notice Your computer uses lithium batteries. There may be Caution! a risk of fire, explosion, or burns if the batteries are handled incorrectly. To ensure safety: • Do not recharge, disassemble, heat, or incinerate a lithium battery. • Replace the battery with an identical or equivalent type lithium battery. •...
Laser compliance statement Some IBM Personal Computer models are equipped from the factory with a CD- ROM or DVD-ROM drive. CD-ROM/DVD-ROM drives are also sold separately as options. The CD-ROM/DVD-ROM drive is a laser product. The CD-ROM/DVD-ROM drive is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
Consignes de sécurité Installation La conception de fabrication de l'ordinateur personnel IBM assure une protection accrue contre les risques d'électrocution. Le PC IBM possède un cordon d'alimentation équipé d'une fiche à trois broches qui permet une mise à la terre des principaux éléments métalliques de la machine.
• Si votre ordinateur est doté d'un cordon téléphonique, ne manipulez jamais ce cordon pendant un orage. • Évitez d'utiliser et de placer votre ordinateur dans un endroit humide. • Ne remplacez un élément que par un élément identique ou possédant des caractéristiques équivalentes et équipé...
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2. Débranchez tous les cordons d'alimentation des prises de courant. 3. Débranchez tous les câbles (câble de téléphone, par exemple) de leurs prises. 4. Débranchez tous câbles de l’ordinateur (les cordons d’alimentation, les câbles d’entrée-sortie et tous les autres câbles qui pourraient y être connectés).
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• Ne touchez jamais un cordon téléphonique ou un terminal non isolé avant que la ligne ait été déconnectée du réseau téléphonique. • Soyez toujours prudent lorsque vous procédez à l’intallation ou à la modification de lignes téléphoniques. • Si vous devez téléphoner pendant un orage, pour éviter tout risque de choc électrique, utilisez toujours un téléphone sans fil.
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Conformité aux normes relatives aux appareils laser. Certains modèles d’ordinateurs personnels sont équipés d’origine d’une unité de CD-ROM ou de DVD-ROM. Mais ces unités sont également vendues séparément en tant qu’options. L’unité de CD-ROM/DVD-ROM est un appareil à laser. Aux Etat- Unis, l’unité...
Chapter 1. About this book The User Guide contains general information for all users of an IBM Personal Computer. Once you have taken your computer out of the box and connected all the components, you can use this book as a guide to your computer's hardware and as a problem-solving tool.
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• Chapter 5. “Preparing to upgrade” on page 5-1 This chapter contains information to help you prepare to add or replace adapter cards, drives, and system board components in your system unit. • Chapter 6. “Adding and removing adapter cards and drives” on page 6-1 This chapter contains instructions for adding and removing adapter cards and drives.
Where to find more information The following publications and online documentation contain more information about your computer: Quick Reference: Your computer comes with a Quick Reference. The Quick Reference provides safety, system setup, service and support information and some other basic information for the computer. Online Information: The “online information”...
Chapter 2. Getting started This chapter contains the following sections to help you make adjustments and connections to your computer. • “Controlling monitor settings” on page 2-2 • “Controlling volume” on page 2-6 • “Setting up communications” on page 2-9 •...
Controlling monitor settings When you connected your monitor to your system unit and turned your computer on for the first time, your computer automatically selected settings for monitor performance. Depending on the monitor you have, you might want to change some of these settings for optimal performance.
Power saver feature Your monitor documentation should indicate whether your monitor has a power saver feature. This feature may be called Display Power Management Signaling (DPMS). With DPMS, the monitor's display goes blank if you have not used your computer for a predetermined period of time. To redisplay the screen, press the shift key on your keyboard or move the mouse.
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In the Settings tab of the Display Properties window, you can set the display properties. Some of the properties you can set are: • Colors Lets you specify the number of colors that can be displayed on the screen. • Font size If you click on the Advanced...
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users, 640x480 or 800x600 is a comfortable resolution setting. • When you select more colors, most software programs will slow down. Choose only as many colors as you need. • You can determine which settings are most comfortable to work with by selecting and trying each one.
Controlling volume Depending on your model, your computer might have more than one way of controlling volume: • The volume-control software that came with your computer This is the only control that will affect the volume of the speakers provided with your computer.
Adjusting the headphone volume You may be able to plug headphones into the headphone jack on the CD-ROM drive (not available on all systems) or into the line-out jack on the back of the computer’s system unit. The line-out jack is marked with the icon •...
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• You can also plug headphones into the line-out jack on the back of the system unit. This is the same jack to which the external speakers connect. You must disconnect your speakers to use this jack with your headphones. If you plug your headphones into the line-out jack on the back of the system unit, the headphones will pick up all sounds generated from your computer and any external devices connected to the computer, such as a MIDI (musical)
Setting up communications If your computer has a fax/data modem, it can communicate with other computers and fax machines. Some IBM personal computers have a modem already installed. However, if your computer package comes with a modem but it is not installed, open the system and install the modem first.
The telephone line your modem uses cannot be used for any other purpose while the modem is operating. Any interruption on the line your computer is using will stop computer communications. Do not pick up a telephone on the same line your computer is using.
Configuring your computer for a connection to the Internet If your computer is equipped with a modem, you can connect to the Internet. Before you configure your Internet software, you must first connect your computer to a telephone network. Your computer comes with a software selection CD. You can use Netscape Navigator by loading the software selection CD.To install Netscape Navigator, click on the Netscape icon on the desktop and follow the instructions on the screen.
3. Click on the Internet Connection Wizard option. The wizard lists the information that you need to collect for your connection and then takes you through the steps required to connect. Follow the onscreen instructions. If you need assistance, press F1 to display the online help.
Chapter 3. Power management features Your computer is compliant to ACPI (Advance Control Power Interface) and the APM (Advance Power Management) functions. It will enter a power-saving mode according to the power management option you specify. You can set up the power management option in the Configuration/Setup Utility. See “Power Management Setup”...
ACPI BIOS Mode Using the ACPI BIOS Mode feature Follow these steps to use the ACPI BIOS Mode feature: 1. Start the Configuration/Setup Utility (see “Configuration/Setup Utility overview” on page 4-2.) 2. Set Power Management from the Configuration/Setup Utility menu. 3.
This feature allows the computer to save power through monitoring your computer’s hardware. Follow these steps to use the APM feature: 1. Start the Configuration/Setup Utility (see “Configuration/Setup Utility overview” on page 4-2.) 2. Select Power Management from the Configuration/Setup Utility menu 3.
Automatic Power On This option allows you to enable or disable features that automatically turn on your computer. You must also select the startup sequence you want to use for the type of power-on event selected. Follow these steps to use the Automatic Power On feature: 1.
Chapter 4. BIOS Setup configuration Your IBM Personal Computer is already configured for immediate use. You can view your computer’s configuration settings using the Configuration/Setup Utility. You can also use these configuration utilities to change some configuration settings. For example, if you add or replace hardware inside your system unit, you might need to verify or update specific settings.
Configuration/Setup Utility overview The Configuration/Setup Utility lets you view and change important information about your computer and its hardware. You might need to use it if you upgrade the hardware in your computer or if you get an error message while using your computer.
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The configurable options allow you to control how your computer operates. For example, you can use Setup to: • Configure hard disk, CD-ROM, or any other IDE drives • Select and configure I/O devices, such as serial, parallel, USB, and video devices •...
Entering Setup When the computer is on Follow these steps to enter Setup when the computer is on: 1. Save all open files, close all applications, shut down the computer, then turn it off. 2. Turn on the computer and display. 3.
Working with the Setup menus The Configuration/Setup Utility menu appears immediately after you press F1. Configuration/Setup Utility menu The Configuration/Setup Utility menu that you see on Note: your computer may look slightly different from the menu shown here, but the options will operate just the same. The Configuration/Setup Utility menu lists system configuration options.
Keys Function Use these arrow keys to highlight an option in a menu. (Press the Enter key to choose the option.) Use these arrow keys to change the value of a setting. In some menus, you can use these keys to move from one field to another. Press this key to save your changes.
Changing parameter settings In the Setup menus, all configuration information that you can change is enclosed in brackets like these: [ ]. You cannot change any information that is not enclosed in brackets. Use the up- or down-arrow keys to highlight options then press Enter to display a menu.
Canceling changes You might make changes to the Setup parameter that you do not want to keep. To cancel the changes that you have made, follow these steps: 1. Return to the Configuration/Setup Utility menu 2. Highlight the Exit Without Saving option then press Enter and Y. Then press Enter again.
Setup parameters Devices and I/O Ports Use the options in this menu to configure the devices and I/O ports in this computer. Mouse This setting allows you to select whether or not a mouse is installed. Diskette Drive A Use this setting to define the type of drive installed as drive A. None No floppy drive installed 720K, 3.5 in...
USB Keyboard/Mouse Support Select Autodetect if you want this support to enabled. The USB Support must also be set to enabled before you use USB/Keyboard Mouse Support. Select disabled if you will not be using a USB Keyboard/Mouse. IDE Drives Setup Use these settings to view the hard disk and CD-ROM drives that are installed in your computer.
Network setup Use this setting to enable or disable the Network function. Start Options The start options are settings that affect the way your computer acts when started. Startup Sequence Your computer can be started from several devices, including the hard disk drive, diskette drive, and CD-ROM drive.
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Keyboard Numboard State This setting determines the default state of the numeric keypad. By default, the system boots up on. The numeric keypad provides numeric functions The numeric keypad provides cursor functions Keyboard Speed This setting determines whether or not the speed at which the keyboard responds when you hold down a key.
Date and Time Use this setting to set the date and time of the internal clock in your computer. Advanced Setup You can use these features to configure advanced hardware features. Do not attempt to change these settings unless you have an advanced technical knowledge of computer hardware.
Plug and Play operation system When this setting is enabled, the processor serial number is accessible to system and application software. By default, the setting is disabled. If you configure this selection, the machine must be powered off and back on for the change to take effect.
Activity Monitor Use this setting to set up the system activities that you want monitored for automatic power management Automatic Power On Use this setting to define automated methods of waking up the computer: • Wake up when the modem senses an incoming ring •...
Remote Administration Select enable to allow Remote Administration to be run from a remote system without requiring entry of your administrator password. Power-on Password This option allows you to set, change or delete a power-on password. Administrator Password This option allows you to set, change or delete an administrator password. Adapter ROM Password If Yes, the keyboard will be locked during adapter ROM initiation.
Using other configuration utilities You can use Setup to view or change configuration settings for most of your factory- installed hardware. If you install new hardware, however, you might need to use other configuration utilities. When you purchase new hardware to install in your computer, a configuration utility or new drivers may come with the new hardware.
Chapter 5. Preparing to upgrade To upgrade your computer's hardware, you can add or replace cards, drives, or some system board components. If you take the time to evaluate your new hardware and plan your hardware changes, you can reduce the effort required to make the changes.
Evaluating your new hardware The documentation that came with your new hardware should contain information about required settings and the instructions on how to install the hardware. Study the documentation carefully. If the documentation refers you to information about your computer's I/O addresses, system interrupt requests (IRQs), or DMA channel assignments, see “Appendix A.
Planning your hardware changes You should understand how your new hardware will work with your existing hardware before you unplug your system unit, pull the cover off, and start removing or adding hardware. You should also record your changes as you work. Make sure that you have read the preceding section “Evaluating your new hardware”...
Resolving resource conflicts Using Setup Your computer's Basic Input/Output System (BIOS) automatically detects most hardware changes and then updates the related CMOS configuration settings in Setup. In cases when the CMOS settings are not automatically updated, you receive a message reminding you to manually update the settings. To resolve resource conflicts between system devices in Setup, follow these steps: 1.
Opening the system unit Each time you open your system unit, you must follow specific safety procedures to ensure that you do not damage your computer. Taking safety precautions Before you open the system unit, review ”Safety information” on page viii. For your safety and the safety of your equipment, follow these steps before you remove the system unit cover: 1.
Removing the top cover for desktop model Follow these steps to remove the system unit top cover: 1. Remove the screw that secures the top cover at the back of the system unit. 2. Hold both sides of the system unit top cover and push it forward about 0.25 inch.
Removing the top cover for microtower model Follow these steps to remove the system unit top cover: See “Taking safety precautions” on page 5-5 to Note: disconnect the cables before you perform the following steps. 1. Remove the three screws that secure the top cover at the back of the system unit.
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3. Touch the bare metal frame of your system unit to dissipate the static electricity from your body. Do not touch any of the components inside the frame before you touch the frame. Do not touch any of the components that have a voltage warning label.
Looking inside the system unit for desktop model After you remove the system unit top, the system unit looks like the following figure. Note: See the next page for a description of the hardware components inside the system unit. Your computer has three bays. One bay is for 5.25-inch drive and two bays are for 3.5-inch drives.
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Switching power supply. The system comes with a switching power supply. Expansion slots. On the system boards are three expansion slots for installation of the adapter cards that conform to Peripheral Component Interconnect (PCI) specifications. These cards are commonly referred to as PCI adapter cards (only the low-profile PCI cards will fit).
Looking inside the system unit for microtower model After you remove the system unit top, the system unit looks like the following figure. Note: See the next page for a description of the hardware components inside the system unit. Your computer has four bays that can hold up to two 5.25-inch drives and two 3.5- inch drives.
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Expansion slots. There are three expansion slots on the system board for the installation of adapter cards that conform to Peripheral Component Interconnect (PCI) specifications. These cards are commonly referred to as PCI adapter cards. System board. Bay 3. This drive bay can accommodate a 3.5-inch slim IDE hard disk. In many models, this bay holds a factory-installed hard disk drive.
Chapter 6. Adding and removing adapter cards and drives Before you begin working with the hardware inside your system unit, read the following sections: • “Evaluating your new hardware” on page 5-2 This section contains the information you need to understand about potential system resource conflicts.
Resolving conflicts with installed adapter cards If you purchased a computer with an installed modem card, this section can help you resolve some potential conflicts between your new hardware and the modem card. If after installing a new hardware option, the modem or new hardware option does not work, use the Windows Device Manager to compare the resources used by the installed modem card and the new hardware option.
Working with the hardware in the system unit If you have not removed the cover from your system unit, review “Safety information” on page viii, and then see “Opening the system unit” on page 5-5. If you plan to add both an adapter card and a drive, install or replace the drive before you install or replace the adapter card.
Adding and removing adapter cards for desktop model The system board includes three PCI adapter card connectors (only the low-profile PCI cards will fit). Make sure that you have followed the proper procedure in “Opening the system unit” on page 5-5. Note: This ensures that you discharge the static electricity that you may have accumulated.
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If you disconnected any cables to gain access to the adapter card connector on the system board, reconnect the cables. Adding and removing adapter cards and drives...
Adding and removing adapter cards for microtower model The system board includes three PCI adapter card connectors. Make sure that you have followed the proper procedure in “Opening the system unit” on page 5-5. Note: This ensures that you discharge the static electricity that you may have accumulated.
Removing and adding drives Your computer has four drive bays to accommodate various types of drives. See the section “Looking inside the system unit for desktop model” on page 5-9 and “Looking inside the system unit for microtower model” on page 5-11 for the location and description of the drive bays.
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The hard disk that came installed in your computer is attached to IDE connector 1 and is set as a master device. If your computer came with a CD-ROM drive, it is attached to IDE connector 2 and is set as a master device. These are the general guidelines for IDE/ATA signal cable connections: •...
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Guidelines for connecting diskette interface signal cables Your system board has one connector for attaching diskette interface signal cables, but you can install two diskette interface drives to this connector if you have the proper cables. If you are installing a second diskette drive or a tape drive, follow these guidelines: 1.
Removing the diskette drive for desktop model If you want to replace or remove the diskette drive, do the following: 1. Disconnect the power and signal cables from the rear of the diskette drive. 2. Pull up the latch that secures the drive mounting tray. 3.
Removing the diskette drive for microtower model If you want to replace the diskette drive, you must follow these steps: 1. On the back of the system, remove the screw that secures the power supply. 2. Pull the latch on the drive mounting tray and the power supply upward to remove it completely.
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3. Disconnect the power and signal cables from the back of the diskette drive. 4. Remove the two screws that hold the diskette drive to the mounting tray. 5. Open the door on the front of the computer. 6. Pull the diskette drive toward the front of the computer to remove it. 7.
Removing the CD-ROM drive for desktop model To replace the CD-ROM, do as follows: 1. Disconnect the power, sound and signal cables from the CD-ROM. 2. Pull up the latch that secures the CD-ROM drive mounting tray. 3. Slide the CD-ROM drive mounting tray to the front of the computer and remove the tray.
Removing the CD-ROM drive for microtower model To replace the CD-ROM: 1. Disconnect the power, sound and signal cables from the CD-ROM. 2. Remove the screws that secure the CD-ROM drive. 3. Open the door on the front of the computer. 4.
Removing the hard disk drive for desktop model To replace or remove the hard disk drive, follow these steps: 1. Follow the above steps to remove the CD-ROM. 2. Make sure to disconnect the power cord and signal cables from the hard disk drive and the diskette drive.
Removing the hard disk drive for microtower model To replace or remove the hard disk drive, do the following: 1. Disconnect the power and signal cables from the diskette drive. 2. Lay the computer on the side to access the screws on the bottom. Remove the two screws that secure the mounting tray at the bottom of the system unit.
Updating the CMOS settings in Setup When you add PCI adapter cards, memory, and IDE drives, your system's Basic Input/Output System (BIOS) detects the hardware changes and updates the CMOS settings automatically. When you add other types of devices, such as a diskette drive, you have to enter Setup to manually assign resources (IRQs) to the devices.
Chapter 7. Adding and replacing system board components To work with the hardware components on the system board, you must first unplug the system and remove the system unit cover. Before removing the cover or working with internal components, review “Safety information” on page viii. If you have not removed the cover from your system unit, see “Opening the system unit”...
Identifying system board parts If you plan to add or replace hardware in your computer, you need to know the layout of the system board. The items on the next page correspond to the numbered locations on the figure. IBM Personal Computer User Guide...
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The system board, sometimes called the planar or motherboard, is the main circuit board in the system unit. It supports a variety of devices and provides other basic computer functions that are preinstalled or that you can install later. The system board shown on the previous page has the following parts: Power connector.
PCI Card connector and jumper information Identifying adapter card connectors You can install low-profile PCI adapter cards into the card connectors on the system board. Use the following table to help you determine the type and length of adapter cards that you can install in the card connectors. Adapter card connector Type of adapter card you can install PCI Slot 1...
Upgrading the system memory Your system board has two system memory module sockets: DIMM 0, and DIMM 1. These sockets hold Dual Inline Memory Modules (DIMMs) that contain 3.3V single- or double-sided synchronous DRAM (SDRAM). You can install up to a maximum of 256 MB of system memory into these sockets.
Removing memory modules To remove a DIMM, pivot the retaining clips on both sides of the socket outward to release the DIMM. Verifying the system memory To view the system memory settings in Setup, select System Summary from the Configuration/Setup Utility menu. IBM Personal Computer User Guide...
Replacing the system battery Follow these steps to replace the battery: Before replacing the lithium battery review the lithium battery notice on “Lithium battery Note: notice” on page xi. 1. Note the orientation of the battery in the bracket. 2. Press outward on the metal latch and lift the battery out. 3.
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Follow these steps: 1. Enter Setup. See “Entering Setup” on page 4-4. 2. From the Configuration/Setup Utility menu, select “Standard CMOS Setup”. 3. Set the date and the time. 4. Exit Setup and save the change. 5. Use the left arrow key to select Yes, then press Enter to save the settings in CMOS.
Updating the CMOS settings in Setup When you add system board components, such as system memory modules, your system's Basic Input/Output System (BIOS) detects the hardware changes and updates the CMOS settings automatically. However, if you replace or remove components, you might receive a message that asks you to verify if the automatic detection changed the configuration correctly.
Chapter 8. Diagnosing and recovering from problems This chapter can help you if your computer stops operating or displays error messages. It covers the following major topics: • “Before you panic: some simple fixes” on page 8-2 This section lists some common problems that you might encounter while operating your computer.
Before you panic: some simple fixes Step 1 Are the power indicator lights on the system unit and monitor lit? Power is reaching the system unit and monitor. Go to Step 2. a. Press the power button on the system unit and monitor to make sure they are turned on.
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Step 2 Did the system unit beep after it was turned on? There is a problem with the system unit. Find the Yes, more than once error code or message in the section “Error codes and messages” on page 8-17 and take the action listed.
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Step 3 Is anything displayed on the monitor? There may be a problem with the system unit if: • An error message appears. Find the error message in the section “Error codes and messages” on page 8-17 and take the action listed. •...
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Step 3 Is anything displayed on the monitor? (Continued) • The colors displayed are wrong. Make sure the monitor cable is correctly and securely connected to the system unit. If the problem continues, refer to “Solving hardware and software problems” on page 8-7 and take the action listed. •...
Quick problem solving chart Did you add hardware? From Windows, run the PC Dr for Windows program. Use the Quick Test Diagnostics option. See "Starting PC Dr for Windows" on page 8-20 for details. Did the computer pass the test? You may have a hardware problem.
Solving hardware and software problems Solving hardware problems Table 1: Hardware problems If the problem is: Here's what to do: Screen is black (no error If you installed memory modules or adapter cards, make code); beep during power sure you installed them correctly. For instructions on on self-test (POST).
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Table 1: Hardware problems (Continued) If the problem is: Here's what to do: Can’t enter password 1. Make sure you are typing the correct password. 2. Make sure the keyboard cable is correctly and securely connected to the keyboard port (not the mouse port) on the back of the system unit.
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Table 1: Hardware problems (Continued) If the problem is: Here's what to do: Can’t write to diskette 1. Make sure you are using the correct type of diskette. Make sure that the diskette is correctly formatted. 2. Make sure the diskette is not write-protected. 3.
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Table 1: Hardware problems (Continued) If the problem is: Here's what to do: Mouse does not work 1. Move the mouse onto a mouse pad and try using it. 2. Make sure you are using a screen that allows the use of a mouse.
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Table 1: Hardware problems (Continued) If the problem is: Here's what to do: Modem/communications 1. Make sure the telephone cord is securely connected. errors 2. Make sure the telephone line works by plugging a working telephone into the same telephone outlet that the computer was plugged into.
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Table 1: Hardware problems (Continued) If the problem is: Here's what to do: Printer error 1. Make sure the printer is turned on. 2. Make sure the printer cable is correctly and securely connected to the printer and to the parallel (printer) port on the back of the system unit.
Solving software problems Table 2: Software problems If the problem is: Here's what to do: Clock loses time The most common cause for the clock losing time is related to application programs, not a hardware failure. If you experience this problem, do the following: 1.
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Table 2: Software problems If the problem is: Here's what to do: When the parameter See “About your software” that comes with your computer. Power Switch < 4 sec. under the Setup Power Management menu is set to Power Off, and the system does not turn off when you press the power button.
Solving modem problems Your modem is designed to provide reliable and trouble-free service. However, should you experience any difficulty, the information in this section can help you determine and resolve the source of the problem. If you cannot resolve the problem after reading this section, contact your IBM PC HelpCenter for assistance.
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Table 3: Modem problems (Continued) If the problem is: Here's what to do: Modem makes a 1. Make sure all communication parameters (baud rate, connection but no data data, stop, and parity bits) are properly configured and appears on the screen identical on both sides.
Error codes and messages When you see error codes and messages on your screen, find the error code or message in the following table, then take the applicable corrective action or actions. Table 4: Error codes and messages Error codes Error messages Corrective actions CMOS battery failed...
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Table 4: Error codes and messages (Continued) Error codes Error messages Corrective actions 1701 Hard disk(s) diagnostics fail 1. Determine if the hard disk is defined correctly in BIOS Setup. 2. Check the hard disk drive cable/ connection. 3. Check the hard disk drive. 1762 Primary master IDE has 1.
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Table 4: Error codes and messages (Continued) Error codes Error messages Corrective actions 8602 PS/2 Mouse error OR no PS/2 1. Determine if the mouse is connected mouse present properly and is defined correctly in BIOS Setup. Diagnosing and recovering from problems 8-19...
IBM Diagnostic Programs Your computer comes with two diagnostic programs: • PC-Doctor for Windows: This Windows-based diagnostic program is preinstalled on your computer, PC-Doctor for Windows can diagnose some hardware problems, but it is most effective at diagnosing software problems. For instructions on using PC-Doctor for Windows, see “Starting PC-Doctor for Windows”...
Appendix A. Specification tables Memory module placement This memory module placement table shows you how to place dual inline Memory modules (DIMMs) into the sockets labelled DIMM1 Bank 0 and DIMM Bank 1. Refer to the section “Identifying system board parts” on page 7-2 for the location of the DIMM sockets.
Memory map This table shows the hexadecimal addresses for the system memory regions. You may use this information for adapter cards that require you to set up memory regions. Table 2: Memory map Address range Description 0~640 KB (000000 ~ 09FFFF) Main memory 640~768 KB (0A0000 ~ 0BFFFF) VGA memory...
System input/output addresses This table shows the hexadecimal addresses for each of the system board Input/ Output (I/O) functions. You may want to use this information if you install an adapter card that requires you to set I/O addresses. Table 3: System input/output addresses Address range Function (hexadecimal)
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Table 3: System input/output addresses (Continued) Address range Function (hexadecimal) 3F7-3F7 Primary EIDE 3F8-3FF Serial Asynchronous Port 1 0CF8 Configuration Address Register 0CFC Configuration Data Register 778-77A Parallel Printer Port 1 IBM Personal Computer User Guide...
System interrupts This table shows the system Interrupt Requests (IRQs) and their functions. You may use this information if you install an adapter card that requires you to set IRQs. In some cases, the device listed uses the IRQ. Table 4: System interrupts Interrupt Function request (IRQ)
DMA channel assignments This table shows the channel assignments for Direct Memory Access (DMA). DMA allows I/O devices to transfer data directly to and from memory. You may need to select an available DMA channel if you add an I/O device that uses DMA. Table 5: DMA channel assignments DMA channel Assignment...
Serial port addresses IBM computers have a built-in external serial port already installed in the computer. The connector for this port is located at the back of your computer. This port can be used to connect a serial mouse, serial printer, or other serial device and to transfer data between computers.
Connector functions The following table includes the specific functions of the connectors. Refer to the section “Identifying system board parts” on page 7-2 for an illustration of the connector locations. Table 7: Connector functions Connector Function BATT Battery socket FDD1 Floppy connector PCI Slot1 First PCI adapter card connector...
Appendix B. Modem information Modem features Using a telephone network, a modem allows your computer to communicate with other computers, fax machines, or telephones. For information about connecting your modem to a telephone network. “Connecting your modem to the telephone network”...
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If present, the modem that came with your computer is a V.90 bps modem. It serves as a communications peripheral capable of high-speed data transfer and fax. Your modem is compatible with the following standards: • V.90 • K56 Flex •...
Operating your modem You can perform common modem functions such as dialing, file transfer, and faxing using the modem communications software that came with your computer. For information about configuring communications software, “Configuring your communications software” on page 2-10 It is still possible for you to perform the basic modem functions using the AT commands from the Windows DOS box prompt.
In some communications software programs, you may need to select the "Auto Answer On" or "Auto Answer Off" option to turn off the auto answer feature. If you are using Auto Answer with a fax software Note: program, setting a high number of rings will allow you to answer the telephone before the fax modem does.
Modem commands This section provides information on the modem commands if you operate your modem from the DOS prompt using the AT command strings. Executing commands Your modem is in the Command Mode when powered-on and is ready to receive and execute AT commands.
AT commands Table 1: AT commands Command Function Answers incoming call Repeats the last command given. Note: Do not precede by AT or follow by Enter 0-9, A-D, # and * L = last number redial P = pulse dial T = tone dial W = wait for second dial tone V = switch to speakerphone mode...
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Table1: AT commands (Continued) Command Function ROM test Firmware and device ID Low speaker volume Low speaker volume Medium speaker volume High speaker volume Speaker always off Speaker on until carrier detected Speaker always on Return to data mode Initiate an equalizer retrain and return to data mode Pulse dial Result codes enabled Result codes disabled...
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Table1: AT commands (Continued) Command Function Same as X0 plus all CONNECT responses/blind dialing Same as X1 plus dial tone detection Same as X1 plus busy signal detection/blind dialing All responses and dial tone and busy signal detection Reset and recall user profile IBM Personal Computer User Guide...
Detail for +MS Controls Table 2: Detail for +MS Controls +MS=<carrier>,<automode>,<min transmit rate>,<max transmit rate>,<min receive rate>,<max receive rate> <carrier>= B103 for Bell 103 (300 bps) B212 for Bell 212 (1200 bps) V21 for V.21 (300 bps) V22 for V.22 (1200 bps) V22B for V.22bis (1200-2400 bps) V23C for V.23 V32 for V.32 (4800 &...
Extended AT commands Table 3: Extended AT commands Command Function &C0 Carrier Detect (CD) always on &C1 Turn on CD when remote carrier is present &D0 DTR signal ignored &D1 Modem returns to Command Mode after DTR toggle &D2 Modem hangs up and returns to the command mode after DTR toggle &F Load factory default configuration &G0...
Modem response codes The following table lists the basic codes that the modem sends to your computer in response to the commands you type. They are called response codes. Table 5: Basic Response codes Digit code Word code Meaning Command was carried out without error Connect Connected at 300 bits per second (bps) Ring...
S registers S registers are information storage areas inside the modem. The AT command set uses the S registers to configure modem options. Some S registers have default settings. For normal modem operations, the default settings are usually adequate. However, special circumstances may require you to change some defaults. To change or read the value of an S register, begin the command with the letters AT.
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The following table lists the S Registers summary. Table 6: S registers Register Function Range/units Default Auto-answer ring 0-255 /rings Ring counter 0-255 /rings Escape code character 0-255 /ASCII Carriage return character 0-127 /ASCII Line feed character 0-127 /ASCII Backspace character 0-32 /ASCII Dial tone wait time 2-255 /seconds...
Appendix C. Monitor terminology As you read the documentation that came with your monitor and the monitor information provided in this chapter, you might find a few technical terms. If you change your monitor settings, refer to the following table to understand some of the terms used to describe monitor characteristics.
Index hard disk connectors 6-8 hardware changes 5-1, 5-3 recording 5-3 adapter cards hardware problems 8-7 PCI 5-9, 5-11 audio CD does not play when in- removing 6-5 serted 8-8 ANSI 5-9, 5-11 can’t enter password 8-8 can’t format diskette 8-9 battery can’t write to diskette 8-9 replacing 7-6...
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connecting to the telephone net- Setup work 2-9 default settings modems B-1 loading 4-7 auto-answer feature B-3 entering 4-4 monitor exiting 4-8 controlling settings 2-2 main menu 4-5 display mode C-1 menu information 4-2 display properties 2-3 moving through menus 4-5 selecting 2-4, 2-5 parameters display settings 2-3...
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volume controlling 2-6 Windows Device Manager 5-4...