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

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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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Contents User Guide Page User Guide Page Contents Troubleshooting Conditions that require immediate action Important safety informationService and upgrades General safety guidelinesStatic electricity prevention Power cords and power adaptersVoltage-selection switch Plugs and outlets Extension cords and related devicesExternal devices BatteriesHeat and product ventilation Operating environment Electrical current safety informationLithium 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 groundingData safety Cleaning and maintenanceUsing headphones or earphones Additional safety information Introduction Xviii User Guide Comfort Arranging your workspaceGlare and lighting Air circulationElectrical outlets and cable lengths Connecting your computer Setting up your computerUser Guide Setting up your computer User Guide 1394 Finishing the software installation Turning on powerCompleting important tasks Installing other operating systemsUpdating your operating system Updating your antivirus softwareUser Guide Features Installing optionsVideo subsystem Operating systems preinstalled varies by model type Dimensions SpecificationsWeight EnvironmentTools required Available optionsHandling static-sensitive devices Installing external optionsLocating the connectors on the front of your computer Locating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Locating components Identifying parts on the system board Installing options User Guide What to do next Installing memoryInstalling adapters What to do next Drive specifications Installing internal drivesInstalling options Installing a drive in bay 1 or bay Installing options Connecting the first optical drive Connecting drivesInstalling security features Connecting a serial ATA hard disk driveIntegrated 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 softwarePerforming 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 disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password User PasswordSetting, changing, and deleting a password Using Security Profile by DeviceSelecting a startup device Selecting a temporary startup deviceChanging the startup device sequence Exiting from the Setup Utility program Advanced settingsUsing 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 WindowsRunning diagnostics from the CD or diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Information resources Getting information, help, and serviceOnline Books folder ThinkVantage Productivity CenterAccess Help Safety and warrantyHelp and service Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex Page Page Part Number