Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 8109, 8121, 8119, 8120, 8107, 8105 Locating components, Identifying parts on the system board

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

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Locating components

The following illustration will help you locate the various components in your computer.

1PCI riser	5 Hard disk drive
2Power supply assembly	6 Cable clip
3Optical drive eject button	7 Rear fan bracket assembly
4Optical drive

Identifying parts on the system board

The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices that are factory-installed or that you can install later.

Chapter 1. Installing options 11

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Lenovo 8109, 8121, 8119, 8120, 8107, 8105, 8108, 8104, 8118, 8117, 8106 Locating components, Identifying parts on the system board

Contents

Page Page Page Page Contents Iv User Guide Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Extension cords and related devices Plugs and outletsBatteries Heat and product ventilation CD and DVD drive safetyAdditional safety information Lithium battery noticeTo 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 PasswordIDE Drive Master Password Setting, changing, and deleting a 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 Updating flashing Bios from a diskette or CD-ROM Appendix A. Updating system programsSystem programs Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemAppendix B. Cleaning the mouse Cleaning an optical 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 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Customer replaceable unit CRU parts list Tier 1 CRUsTier 2 CRUs User Guide Appendix E. Notices Trademarks Television output noticeIndex BiosPage Page Part Number 39J8083