Lenovo 5498, 3029, 3054, 3282, 5474 Locating parts on the system board, System board parts locations

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4

5

Front audio and USB assembly

PCI card (installed in some models)

9

Power supply assembly

Locating parts on the system board

Figure 4 “System board parts locations” on page 10 shows the locations of the parts on the system board.

Figure 4. System board parts locations

14-pin power connector

2Microprocessor

3Microprocessor fan connector

4Memory slot 2

5Memory slot 1

6Memory slot 4

7Memory slot 3

8Thermal sensor connector

924-pin power connector

10Diskette drive connector

11Parallel connector

12SATA connectors (3)

15Front panel connector

16Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper

17Front USB connectors (2)

18Serial (COM2) connector

19Front audio connector

20Internal speaker connector

21PCI card slots (2)

22PCI Express x1 card slot

23PCI Express x16 graphics card slot

24System fan connector

25Cover presence switch connector (Intrusion switch connector)

26Battery

10ThinkCentre User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide First Edition October Copyright Lenovo Contents Appendix A. Notices Important safety information Viii ThinkCentre User Guide Features Product overviewInput/Output I/O features Specifications Preinstalled software programsSoftware overview Software provided by LenovoThinkVantage Productivity Center Locations Locating connectors on the front of your computer Adobe ReaderAntivirus software Locating connectors on the rear of your computer Front connector locationsUSB connectors Locating components Component locationsLocating parts on the system board System board parts locationsLocating internal drives Drive bay locationsThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesRemoving the computer cover Removing the computer coverRemoving and reinstalling the front bezel Installing or replacing a PCI cardOpening the PCI card latch Removing a PCI card Installing or replacing a memory module What to do nextOpen the retaining clips Installing or replacing the optical drive Installing a memory moduleRemoving the optical drive Replacing the battery Installing the optical driveInstall a new battery Replacing the power supply assembly Removing the screws for the power supply assemblyReplacing the heat sink and fan assembly Removing the heat sink and fan assembly Replacing the primary hard disk driveRemoving the primary hard disk drive Installing the hard disk drive into the bracket Replacing the secondary hard disk drive Removing the secondary hard disk driveInstalling the secondary hard disk drive Replacing the front fan assembly Removing the front fan assemblyReplacing the rear fan assembly Installing the front fan assemblyRemoving the rear fan assembly Replacing the front audio and USB assembly Installing the rear fan assemblyReplacing the internal speaker Removing the old internal speaker Installing a new internal speaker Replacing the keyboard or mouseCompleting the parts replacement Connecting the USB keyboard or mouseInstalling security features Integrated cable lockPadlock Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosThinkCentre User Guide Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Creating a rescue mediumUsing a rescue medium Installing or reinstalling device driversSolving recovery problems Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsHard Disk Password Power-On PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a temporary startup device Exiting from the Setup Utility programSelecting a startup device Selecting or changing the startup device sequenceThinkCentre User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery PC-Doctor for DOSCleaning an optical mouse Online Books folder Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsAccess Help Safety and WarrantyLenovo Welcome Help and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix A. Notices Television output notice European conformance CE mark TrademarksIndex CRUMemory module PCI card Security features Page ThinkCentre User Guide Page 71Y7146