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Lenovo 8121, 8119 Appendix D. Customer replaceable unit CRU parts list, Tier 1 CRUs, Tier 2 CRUs

Models: 8109 8118 8121 8104 8105 8107 8120 8106 8117 8108 8119

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Appendix D. Customer replaceable unit (CRU) parts list

For your computer, the following parts are designated customer replaceable unit (CRU) parts. Refer to the warranty section of your Quick Reference for more information.

Note: Use only the parts provided by Lenovo.

Tier 1 CRUs

Adapter cards

Hard disk drives

Keyboards

Memory

Optical drives

Mouse

Speakers

Floppy diskette drive

Tier 2 CRUs

Microprocessor

Heatsink

Power supply

System board

© Lenovo 2006. Portions © IBM Corp. 2005.

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Lenovo 8121, 8119, 8120, 8107, 8105, 8109, 8108 Appendix D. Customer replaceable unit CRU parts list, Tier 1 CRUs, Tier 2 CRUs

Contents

Page Page Page Page Contents Iv User Guide Conditions that require immediate action Important safety information Service General safety guidelines Power cords and power adapters Plugs and outlets Extension cords and related devicesBatteries Heat and product ventilation CD and DVD drive safety Lithium battery notice Additional safety informationTo connect To disconnect Laser compliance statement Modem safety information Power supply statement Information resources Overview Xiv User Guide Features Installing options Video subsystem Operating systems, preinstalled varies by model type Specifications Available options Supported operating positions Handling static-sensitive devices Locating the connectors on the front of your computer Installing external options Locating the connectors on the rear of your computer Obtaining device drivers Connector Description Opening the cover Identifying parts on the system board Locating components Installing memory Installing options What to do next Installing a PCI adapter What to do next Security features Installing an optical drive Changing the battery Integrated cable lock Password protection User Guide Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables Exiting from the Setup Utility program Using the Setup Utility programStarting the Setup Utility program Viewing and changing settings IDE Drive User Password Password considerationsUser Password Administrator Password Setting, changing, and deleting a password IDE Drive Master PasswordResetting the hard disk drive and power-on password Parallel ATA Using Security Profile by DeviceUsing IDE Drives Setup Selecting a startup device Changing the startup sequence Selecting a temporary startup device User Guide Appendix A. Updating system programs Updating flashing Bios from a diskette or CD-ROMSystem programs Recovering from a POST/BIOS update failure Updating flashing Bios from your operating system Cleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Basic AT commands Appendix C. Manual modem commands Internal speaker on until carrier detected Low speaker volumeSet Pulse dial as default Set Tone Dial as default Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commands Voice commands Appendix C. Manual modem commands User Guide Tier 1 CRUs Appendix D. Customer replaceable unit CRU parts listTier 2 CRUs User Guide Appendix E. Notices Trademarks Television output notice Index BiosPage Page Part Number 39J8083