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Lenovo 8995, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383 Installing memory, What to do next

Models: 8705 9646 9279 9635 8995 9648 9287 6490 8985 9387 8973 9269 8983 8991 9383 8975 9389 9283 8701 8717 9694 8979 9631 9277 9379 9265 9637 8700

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Installing memory

Your computer has two connectors for installing dual inline memory modules (DIMMs) that provide up to a maximum of 4.0 GB of system memory.

When installing memory modules, the following rules apply:

vUse 1.8 V, 240-pin double data rate 2 synchronous dynamic random access memory (DDR2 SDRAM).

vUse 256 MB, 512 MB, 1.0 GB, or 2.0 GB memory modules in any combination up to a maximum of 4.0 GB.

To install a memory module:

1.Remove the computer cover. See “Removing the cover” on page 20.

2.Locate the memory connectors. See “Identifying parts on the system board” on page 22.

3.Open the retaining clips.

4.Make sure that the notch 1 on the memory module aligns correctly with the connector key2 on the system board. Push the memory module straight down into the connector until the retaining clips close.

What to do next:

vTo work with another option, go to the appropriate section.

vTo complete the installation, go to “Replacing the cover and connecting the cables” on page 37.

Chapter 3. Installing options 25

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Lenovo 8995, 6490, 9635, 9637, 9277, 9269, 9631, 9283, 9287, 9265, 9383, 9379, 9648, 9387, 9279, 9389 Installing memory, What to do next

Contents

User Guide Page User Guide Page Contents Troubleshooting Conditions that require immediate action Important safety information Service and upgrades General safety guidelines Static electricity prevention Power cords and power adapters Voltage-selection switch Plugs and outlets Extension cords and related devicesExternal devices Batteries Heat and product ventilation Operating environment Electrical current safety information Lithium battery notice Modem safety informationTo connect To disconnect Power supply statement Products with television tuner options installedLaser compliance statement Proper grounding for the cable Example of antenna grounding Data safety Cleaning and maintenanceUsing headphones or earphones Additional safety information Introduction Xviii User Guide Comfort Arranging your workspace Glare and lighting Air circulationElectrical outlets and cable lengths Connecting your computer Setting up your computer User Guide Setting up your computer User Guide 1394 Finishing the software installation Turning on power Completing important tasks Installing other operating systemsUpdating your operating system Updating your antivirus software User Guide Features Installing options Video subsystem Operating systems preinstalled varies by model type Dimensions SpecificationsWeight Environment Tools required 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 Obtaining device drivers Connector Description Removing the cover Locating components Identifying parts on the system board Installing options User Guide What to do next Installing memory Installing adapters What to do next Drive specifications Installing internal drives Installing options Installing a drive in bay 1 or bay Installing options Connecting the first optical drive Connecting drives Installing security features Connecting a serial ATA hard disk drive Integrated cable lock Password protection Changing the batteryPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Creating and using the Product Recovery disc Recovering software Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the following Creating and using a Recovery Repair diskette Recovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequence User Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwords Administrator Password User PasswordSetting, changing, and deleting a password Using Security Profile by Device Selecting a startup device Selecting a temporary startup deviceChanging the startup device sequence Exiting from the Setup Utility program Advanced settings Using system programs Updating flashing Bios from a disketteUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs PC-Doctor for DOS PC-Doctor for Windows Running diagnostics from the CD or diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse 1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Information resources Getting information, help, and serviceOnline Books folder ThinkVantage Productivity Center Access Help Safety and warrantyHelp and service Calling for service Using the documentation and diagnostic programs Purchasing additional services Using other services Basic AT commands Appendix A. Manual modem commands Set Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commands Voice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output notice Index Page Page Part Number