Lenovo 4105, 4157VJU Updating your antivirus software, Shutting down the computer, Features

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Updating your antivirus software

Your computer comes with antivirus software that you can use to detect and eliminate viruses. Lenovo provides a full version of antivirus software on your hard disk drive with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus program updates.

Shutting down the computer

When you turn off your computer, always follow the shutdown procedure for your operating system. This prevents the loss of unsaved data or damage to your software programs.

To shut down the Microsoft Windows 7 operating system, open the Start menu from the Windows desktop and click Shut down.

To shut down the Microsoft Windows Vista® operating system, open the Start menu from the Windows desktop, move the cursor to the arrow next to the lock workstation button, and select Shut Down.

To shut down the Microsoft Windows XP operating system, open the Start menu from the Windows desktop and click Shut Down. Then, select Shut down from the drop-down list box and click OK.

Installing external options

For information about installing external options for your computer, refer to “Installing external options” in the ThinkStation Hardware Installation and Replacement Guide.

Installing the computer on a rack shelf

Your ThinkStation computer can be used on a rack shelf. When installing the computer on a rack shelf, make sure to leave at least a 12.70 cm (5 inches) space between the front edge of the rack shelf and your computer for fire protection.

Features

This section provides an overview of the computer features.

System information

The following information covers a variety of models. For information for your specific model, use the Setup Utility. See Chapter 5 “Using the Setup Utility” on page 17.

Microprocessor

Intel® Xeon® dual-core processor

Intel Xeon Quad Core processor

Intel Xeon six-core processor

Internal cache (size varies by model type)

Memory

Your computer supports up to six DDR3 ECC UDIMMs (double data rate 3 error correction code unbuffered dual inline memory modules).

Note: The Intel Xeon microprocessor families compatible with this ThinkStation computer feature an integrated memory controller, which provides the microprocessor with direct access to the system memory. Because of this design, the system memory speed will be determined by a number of factors, including

Chapter 3. Setting up your computer 11

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Contents ThinkStation User Guide Fifth Edition December Copyright Lenovo 2009 Contents Index Iii IntroductionIv ThinkStation User Guide Important safety information ThinkStation User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerLine Setting up your computer If you have powered speakers with an ac power adapter Turning on computer power Installing other operating systems Finishing the software installationCompleting important tasks Updating your operating systemInstalling the computer on a rack shelf Installing external optionsFeatures Updating your antivirus softwareInput/Output I/O features System management featuresInternal drives Video subsystemSecurity features PowerSoftware programs, preinstalled Operating system, preinstalledSpecifications Software overview Lenovo Solution CenterSoftware provided with your Windows operating system Software provided by LenovoAdobe Reader PC-Doctor for Rescue and RecoveryLenovo ThinkVantage Toolbox Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password User PasswordSetting, changing, and deleting a password Enabling or disabling a deviceExiting from the Setup Utility program Advanced settingsSelecting a startup device Selecting a temporary startup deviceThinkStation User Guide Installing Sata hard disk drives and configuring RAID Installing hard disk drives and configuring RAIDInstalling Sata hard disk drives Select Devices IDE Drives Setup and press EnterDeleting RAID volumes Creating RAID volumesInstalling SAS hard disk drives and configuring RAID Installing SAS hard disk drivesFrom the RAID Config menu, select Create array Entering the Marvell Bios Setup to configure SAS RAIDFrom the RAID Config menu, select Delete array Configuring the Marvell Bios Setup to delete an arrayFrom the RAID Config menu, select Spare Management Updating system programs Using system programsUpdating flashing the Bios from a disc Click Downloads and drivers Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs Troubleshooting and diagnostics PC-Doctor for DOS Cleaning an optical mouseTroubleshooting and diagnostics ThinkStation User Guide Creating and using recovery media Recovery informationCreating recovery media Using recovery mediaPerforming a backup operation Performing backup and recovery operationsClick the Restore your system from a backup icon Performing a recovery operationUsing the Rescue and Recovery workspace Creating and using rescue media Creating rescue media Using rescue mediaInstalling or reinstalling device drivers Solving recovery problems Setting a rescue device in the startup sequenceInformation resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsHelp and service Safety and WarrantyUsing the documentation and diagnostic programs Lenovo Support Web siteUsing other services Calling for servicePurchasing additional services Basic AT commands Appendix A. Manual modem commandsExtended AT commands Modem hangs up, returns to the Command Mode after Command Function Modem ignores the DTR signalGuard tone disabled Enable RTS/CTS hardware flow controlFax Class 1 commands MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Voice commands Appendix B. System memory speed Dimm type and speed PC3-8500U Appendix C. Notices Recycling information for Brazil Television output noticeEuropean conformance CE mark Trademarks Appendix C. Notices ThinkStation User Guide Index Lenovo Solution Center Flashing Bios Antivirus software ThinkStation User Guide Page 53Y4306
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