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Lenovo A50 Locating components, Identifying parts on the system board, 4PCI adapter, 2DIMMs

Models: A50 M50e Series

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4PCI adapter

Locating components

The following illustration will help you locate the various components in your computer.

1Microprocessor and heat sink	4PCI adapter
2DIMMs	5Power supply
3AGP slot (some models)

Identifying parts on the system board

The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices that are IBM-installed or that you can install later.

Chapter 3. Types 8084, 8085, 8147, 8148, and 8179 61

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Lenovo A50 Locating components, Identifying parts on the system board, 1Microprocessor and heat sink, 4PCI adapter

Contents

ThinkCentre User Guide TypesTypes 8148, 8149, 8174, Types 8176, 8177 Page ThinkCentre User Guide TypesTypes 8148, 8149, 8174, Types Third Edition May Contents Chapter 4. Using the IBM Setup Utility Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters viUser GuidePlugs and outlets Extension cords and related devicesBatteries Important safety informationviiiUser Guide CD and DVD drive safetyHeat and product ventilation DANGER Additional safety informationTo avoid a shock hazard DANGERModem safety information Lithium battery noticeDo not Ne pasConsignes de sécurité relatives au modem Laser compliance statementDANGER DANGERxiii OverviewInformation resources See Chapter 1, “Types 8149, 8177, and Identifying your computer8178,” on page See Chapter 2, “TypesChapter 1. Types 8149, 8177, and FeaturesSystem information MemoryInput/output features System management featuresPower Video subsystemIBM preinstalled software Security featuresDimensions SpecificationsWeight EnvironmentHandling static-sensitivedevices Available optionsTools required Installing external options 7AGP slot some models Description Obtaining device driversConnector Removing the cover Identifying parts on the system board Locating componentsInstalling memory What to do next Installing adaptersWhat to do next 5.Install the adapter-slot-coverlatchDrive specifications Installing internal drivesInstalling a drive 16User Guide Connecting the first CD drive or DVD drive What to do next Installing security featuresConnecting a serial ATA hard disk drive Rope clip Identifying security locks20User Guide Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery Replacing the cover and connecting the cables 24User Guide Features Chapter 2. Types 8126, 8174, 8175, andSystem information MemoryInput/output features System management featuresPower Internal drivesIBM preinstalled software Security featuresHeight 398 mm 15.67 in Width 180 mm 7.08 in SpecificationsTools required Available optionsHandling static-sensitivedevices The following are some available options30User Guide Installing external options1USB connector 2USB connector 7 VGA monitor connector Description ConnectorObtaining device drivers To remove the cover Removing the coverLocating components 6Power supplyIdentifying parts on the system board 1Microprocessor and heat sink36User Guide Installing memoryWhat to do next To install a DIMMTo install an adapter Installing adaptersWhat to do next Installing internal drives5.Secure the adapter with the screw as shown vA CD drive or DVD drive in bay Drive specificationsTo install an internal drive, follow these steps Installing a drive42User Guide Connecting the first CD drive or DVD driveConnecting a serial ATA hard disk drive Installing security featuresAn additional drive can be connected to either the primary IDE or secondary IDE connector What to do nextRope clip Identifying security locks1 Rope clip 2 Integrated cable lock 3 Padlock loopChapter 2. Types 8126, 8174, 8175, and Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery 8.Repeat steps 2 through 4 on page Replacing the cover and connecting the cablesChapter 2. Types 8126, 8174, 8175, and 50User Guide Features Chapter 3. Types 8084, 8085, 8147, 8148, andSystem information MemoryInput/output features System management featuresInternal drives Video subsystemIBM preinstalled software PowerSecurity features Height 413 mm 16.25 in Width 191 mm 7.5 in SpecificationsTools required Available optionsHandling static-sensitivedevices The following are some available options56User Guide Installing external options4USB connector 1IEEE 1394 connector2Microphone connector 5USB connector58User Guide Description ConnectorObtaining device drivers To remove the cover Removing the coverLocating components 5Power supplyIdentifying parts on the system board 1Microprocessor and heat sink62User Guide Installing memoryWhat to do next Installing adaptersTo install a DIMM 64User Guide What to do nextDrive specifications Installing internal drivesTo install an internal drive, follow these steps Installing a drive4.Remove the metal shield from the drive bay by inserting a flat-bladescrewdriver into one of the slots and gently prying it loose 68User Guide Connecting the first CD drive or DVD driveWhat to do next Installing security featuresConnecting a serial ATA hard disk drive Rope clip To install a rope clipIdentifying security locks Chapter 3. Types 8084, 8085, 8147, 8148, and Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery 8.Repeat steps 2 through 4 on page Replacing the cover and connecting the cablesChapter 3. Types 8084, 8085, 8147, 8148, and 76User Guide Starting the IBM Setup Utility program Chapter 4. Using the IBM Setup Utility programViewing and changing settings Exiting from the IBM Setup Utility programSetting, changing, and deleting a password Administrator passwordUsing Security Profile by Device Selecting a startup deviceChanging the startup sequence Advanced settingsSelecting a temporary startup device 80User Guide Updating flashing BIOS from your operating system Updating flashing BIOS from a disketteAppendix A. Updating system programs System programsRecovering from a POST/BIOS update failure Cleaning a mouse with a ball Appendix B. Cleaning the mouseCleaning an optical mouse 8.Replace the ball and the retainer ring ATH ENTER Appendix C. Manual modem commandsBasic AT commands Command Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands PTT Art. Bakom 93.0291.Z.N Attention Switzerland UserTelekom PTT SCR-BE Taximpulssperrfilter-12kHz 92User Guide CRU parts list 94User Guide North Castle Drive Armonk, NY U.S.A Appendix E. NoticesIBM Director of Licensing IBM Corporation Trademarks Television output noticedrives continued Index APage Page 1P P/N 19R0764