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

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

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

Contents

Page Page Page Page Contents Iv User Guide Important safety information Conditions that require immediate action General safety guidelines Service Power cords and power adapters Plugs and outlets Extension cords and related devicesBatteries CD and DVD drive safety Heat and product ventilation Lithium battery notice Additional safety informationTo connect To disconnect Modem safety information Laser compliance statement Power supply statement Overview Information resources Xiv User Guide Installing options Features Video subsystem Operating systems, preinstalled varies by model type Specifications Supported operating positions Available options Handling static-sensitive devices Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Opening the cover Locating components Identifying parts on the system board Installing memory Installing options Installing a PCI adapter What to do next What to do next Installing an optical drive Security features Integrated cable lock Password protection Changing the battery User 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 program Password considerations User PasswordAdministrator Password IDE Drive User Password Setting, 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 ATA Selecting a temporary startup device Changing the startup sequence User 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 failure Cleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commands Low speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 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 Television output notice Trademarks Bios IndexPage Page Part Number 39J8083