Lenovo 8421, 8426, 8145, 8142, 8420, 8141, 8095, 8096 manual Installing options, Features

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Chapter 1. Installing options

This chapter provides an introduction to the features and options that are available for your computer. You can expand the capabilities of your computer by adding memory, adapters, or drives. When installing an option, use these instructions along with the instructions that come with the option.

Important

Before you install or remove any option, read “Important safety information” on page v. These precautions and guidelines will help you work safely.

Note: Use only the parts provided by Lenovo.

Features

This section provides an overview of the computer features and preinstalled software.

System information

The following information covers a variety of models. For information for your specific model, use the Setup Utility. See Chapter 2, “Using the Setup Utility program,” on page 25.

Microprocessor (varies by model type)

vIntel® Pentium® 4 processor with HyperThreading Technology

vIntel Pentium 4 processor

vIntel Celeron® processor

vInternal cache (size varies by model type)

© Lenovo 2005. Portions © IBM Corp. 2004,2005.

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Contents User Guide Types 8095, 8096, 8141 Types 8145, 8420, 8421 Page User Guide Types 8095, 8096, 8141 Types 8145, 8420, 8421 Page Contents Iv User Guide Conditions that require immediate action Important safety informationService General safety guidelinesExtension cords and related devices Power cords and power adaptersBatteries Plugs and outletsHeat and product ventilation CD and DVD drive safetyTo connect To disconnect Additional safety informationLithium battery notice Laser compliance statement Modem safety informationPower supply statement Information resources OverviewXiv User Guide Features Installing optionsMemory Operating systems, preinstalled varies by model type Specifications Handling static-sensitive devices Available optionsTools required Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Identifying parts on the system board Locating componentsInstalling memory Installing options What to do next Installing adaptersWhat to do next Drive specifications Installing internal drivesInstalling a drive User Guide Connecting the first optical drive Connecting a serial ATA hard disk drive Installing security featuresPadlock loop Password protectionChanging the battery User Guide Replacing the cover and connecting the cables Erasing a lost or forgotten password clearing CmosUser Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Using passwordsAdministrator password User passwordIDE Drive User Password IDE Drive Master PasswordSelecting a startup device Setting, changing, and deleting a passwordUsing Security Profile by Device Changing the startup sequence Exiting from the Setup Utility programSelecting a temporary startup device Updating flashing Bios from your operating system Updating flashing Bios from a disketteAppendix A. Updating system programs System programsClick Continue Click Downloads and drivers Recovering from a POST/BIOS update failureCleaning a mouse with a ball Appendix B. Cleaning the mouseCleaning an optical mouse User Guide Basic AT commands Appendix C. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Notices Trademarks Television output noticeIndex Page Page Part Number 19R0462