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

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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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Contents Page Page Page Page Contents Iv User Guide Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries Heat and product ventilation CD and DVD drive safetyLithium battery notice Additional safety informationTo connect To disconnect Laser compliance statement Modem safety informationPower supply statement Information resources OverviewXiv User Guide Features Installing optionsVideo subsystem Operating systems, preinstalled varies by model type Specifications Available options Supported operating positionsHandling static-sensitive devices Locating the connectors on the front of your computer Installing external optionsLocating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionOpening the cover Identifying parts on the system board Locating componentsInstalling memory Installing options What to do next Installing a PCI adapterWhat to do next Security features Installing an optical driveChanging the battery Integrated cable lock Password protectionUser 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 settingsIDE Drive User Password Password considerationsUser Password Administrator PasswordSetting, 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 deviceChanging the startup sequence Selecting a temporary startup deviceUser 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 systemCleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Basic AT commands Appendix C. Manual modem commandsInternal speaker on until carrier detected Low speaker volumeSet Pulse dial as default Set Tone Dial as defaultExtended 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 noticeIndex BiosPage Page Part Number 39J8083