Lenovo 8095, 8096, 8141, 8142, 8145, 8420, 8421, 8426

iv User Guide

Contents

Main User Guide Ty p e s 8095, 8096, 8141, 8142 Ty p e s 8145, 8420, 8421, 8426 Page Page Page Contents Important safety information . . . . . .v Lenovo 2005. Portions IBM Corp. 2004,2005. iii Index . . . . . . . . . . . . . . .43 Overview . . . . . . . . . . . . . xiii Page Important safety information Note Please read important safety information first. Lenovo 2005. Portions IBM Corp. 2004,2005. v Conditions that require immediate action General safety guidelines vi Service Danger Hazardous moving parts. Keep fingers and other body parts away. Power cords and power adapters Extension cords and related devices Plugs and outlets viii Batteries Heat and product ventilation Important safety information ix CD and DVD drive safety v Check CD/DVD discs for cracks before each use. Do not use cracked or damaged discs Additional safety information x Lithium battery notice Caution Danger of explosion if battery is incorrectly replaced. Modem safety information Caution To reduce the risk of fire, use only No. 26 AW G or larger telecommunication line cord. Important safety information xi Laser compliance statement Power supply statement xii Overview Lenovo 2005. Portions IBM Corp. 2004,2005. xiii Information resources Page Chapter 1. Installing options Lenovo 2005. Portions IBM Corp. 2004,2005. 1 v Features v Intel Pentium 4 processor v Intel Celeron 2 v Microsoft Windows XP Professional Operating systems certified or tested for compatibility Chapter 1. Installing options 3 Linux Specifications This section lists the physical specifications for your computer. 4 Available options Chapter 1. Installing options 5 Tools required Handling static-sensitive devices Installing external options 6 Locating the connectors on the front of your computer Chapter 1. Installing options 7 2USB connector 5Headphone connector 3USB connector Locating the connectors on the rear of your computer 8 Obtaining device drivers Chapter 1. Installing options 9 Removing the cover 10 ThinkCentre Locating components Chapter 1. Installing options *XXXXXXXXX* 2 Memory modules 6 Battery 3 PCI Express (x1) adapter connector 7 Microprocessor and heat sink 4 PCI adapter connector Installing memory 12 Chapter 1. Installing options 13 Installing adapters 14 Chapter 1. Installing options 15 Installing internal drives 16 Drive specifications The following illustration shows the locations of the drive bays. Chapter 1. Installing options 17 Installing a drive 18 8. Install the drive into the bay until it snaps into position. *XXXXXXXXX* Chapter 1. Installing options 19 *XXXXXXXXX* Connecting the first optical drive Connecting an additional optical drive or parallel ATA hard disk drive 20 Connecting a serial ATA hard disk drive Installing security features Padlock loop Chapter 1. Installing options 21 Password protection Changing the battery 22 Erasing a lost or forgotten password (clearing CMOS) Replacing the cover and connecting the cables 24 Chapter 2. Using the Setup Utility program Lenovo 2005. Portions IBM Corp. 2004,2005. 25 Starting the Setup Utility program Viewing and changing settings Using passwords User password 26 Administrator password IDE Drive User Password IDE Drive Master Password Setting, changing, and deleting a password Using Security Profile by Device Selecting a startup device Selecting a temporary startup device 28 Changing the startup sequence Exiting from the Setup Utility program Appendix A. Updating system programs Lenovo 2005. Portions IBM Corp. 2004,2005. 29 System programs Updating (flashing) BIOS from a diskette Updating (flashing) BIOS from your operating system Recovering from a POST/BIOS update failure 30 Appendix B. Cleaning the mouse Lenovo 2005. Portions IBM Corp. 2004,2005. 31 Cleaning an optical mouse Cleaning a mouse with a ball 2 Ball 3 Plastic rollers 4 Ball cage 32 Appendix C. Manual modem commands Lenovo 2005. Portions IBM Corp. 2004,2005. 33 Basic AT commands In the following listings, all default settings are printed in bold text . 34 Extended AT commands Appendix C. Manual modem commands 35 MNP/V.42/V .42bis/V.44 commands 36 Fax Class 1 commands Appendix C. Manual modem commands 37 Fax Class 2 commands Voice commands 38 Appendix C. Manual modem commands 39 Page Appendix D. Notices Lenovo 2005. Portions IBM Corp. 2004,2005. 41 Television output notice 42 Trademarks Index A B C D E S U 44 V

Lenovo manual - page 6

Models: 8095 8096 8141 8142 8145 8420 8421 8426