Lenovo 8108, 8121, 8119, 8120, 8107, 8105, 8109, 8104, 8118, 8117, 8106 manual Installing memory

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The following illustration shows the locations of parts on the system board.

1SATA connector (hard drive cable) 2IDE connector (optical bay cable) 3PCI riser connector

4Front panel connector 512v power connector 6Power connector 7Front fan connector 8Microprocessor

9Speaker connector 10Memory connector 1 11Memory connector 2 12Microprocessor fan connector 13Rear fan connector 14Clear CMOS/Recovery jumper 15Battery

Installing memory

Your computer has two connectors for installing dual inline memory modules (DIMMs) that provide up to a maximum of 2.0 GB of system memory.

When installing memory modules, the following rules apply:

vUse 184-pin double data rate synchronous dynamic random access memory (DDR2 SDRAM).

vUse 128 MB, 256 MB, 512 MB or 1.0 GB memory modules in any combination.

Note: Only DDR2 SDRAM memory modules can be used.

12User Guide

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Contents Page Page Page Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries CD and DVD drive safety Heat and product ventilationLithium battery notice Additional safety informationTo connect To disconnect Modem safety information Laser compliance statementPower supply statement Overview Information resourcesXiv User Guide Installing options FeaturesVideo subsystem Operating systems, preinstalled varies by model type Specifications Supported operating positions Available optionsHandling static-sensitive devices Installing external options Locating the connectors on the front of your computerLocating the connectors on the rear of your computer Connector Description Obtaining device driversOpening the cover Locating components Identifying parts on the system boardInstalling memory Installing options Installing a PCI adapter What to do nextWhat to do next Installing an optical drive Security featuresIntegrated cable lock Password protection Changing the batteryUser Guide Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Exiting from the Setup Utility programPassword considerations User PasswordAdministrator Password IDE Drive User PasswordSetting, changing, and deleting a password IDE Drive Master PasswordResetting the hard disk drive and power-on password Using Security Profile by Device Using IDE Drives SetupSelecting a startup device Parallel ATASelecting a temporary startup device Changing the startup sequenceUser Guide Appendix A. Updating system programs Updating flashing Bios from a diskette or CD-ROMSystem programs Updating flashing Bios from your operating system Recovering from a POST/BIOS update failureCleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commandsLow speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice 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 Television output notice TrademarksBios IndexPage Page Part Number 39J8083