Installing memory, What to do next | Lenovo 3000 J Series specification

Installing memory

Your computer has two connectors for installing DIMMs that provides 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 DDR2 SDRAM.

vUse 256 MB, 512 MB, 1.0 GB or 2.0 GB memory modules in any combinatio up to 4.0.

To install a memory module:

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

2.Locate the memory connectors. See “Identifying parts on the system board” on page 21.

3.Open the retaining clips.

4.Position the memory module over the memory connector. 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.

24User Guide

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Lenovo 3000 J Series manual Installing memory, What to do next

Contents

User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Getting information, help Important safety information Conditions that require immediate action General safety guidelines Service and upgrades Power cords and power adapters Static electricity prevention Viii User Guide Voltage-selection switch Extension cords and related devicesPlugs and outlets External devices BatteriesHeat and product ventilation Operating environment Electrical current safety information Lithium battery noticeTo connect To disconnect Modem safety information Laser compliance statement Cleaning and maintenance Power supply statementData safety Additional safety information Introduction Xvi User Guide Arranging your workspace ComfortGlare and lighting Air circulation Electrical outlets and cable lengths Setting up your computer Connecting your computer User Guide Setting up your computer User Guide 1394 User Guide Turning on power Finishing the software installationCompleting important tasks Updating your antivirus software Installing other operating systemsUpdating your operating system Shutting down the computer Installing options Features Memory Input/output features Available options Specifications Tools requiredHandling 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 Removing the cover Locating components Identifying parts on the system board User Guide Installing options Installing memory What to do next Installing adapters Secure the adapter with the screw as shown Installing internal drives Drive specifications User Guide Installing a drive User Guide Installing options Connecting the first CD drive or DVD drive Installing security features Connecting a serial ATA hard disk drive Password protection Changing the batteryPadlock loop Installing options Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery disc Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the following Recovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems User Guide Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwords Administrator Password Password considerationsUser Password Setting, changing, and deleting a password Using Security Profile by Device Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programChanging the startup device sequence Using system programs Updating flashing Bios from a disketteUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOS Creating diagnostic diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Online Books folder Getting information, help, and serviceInformation resources Lenovo Care Access Help Warranty and safety Help and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional services Appendix A. Manual modem commands Basic AT commands Set Tone Dial as default Low speaker volumeSet Pulse 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 A. Manual modem commands User Guide Appendix B. Notices Television output notice Trademarks Index 14, 22, 23 Page Part Number