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

Models: A50 M50e Series

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Locating components

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

1Microprocessor and heat sink	4PCI slots
2DIMMs	5PCI adapter
3AGP slot (some models)	6Power supply

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 2. Types 8126, 8174, 8175, and 8176 35

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

Contents

User Guide Types Types 8148, 8149, 8174, Types 8176, 8177ThinkCentre Page User Guide Types Types 8148, 8149, 8174, TypesThinkCentre Third Edition May Contents Chapter 4. Using the IBM Setup Utility Conditions that require immediate action Important safety informationviUser Guide General safety guidelinesService Power cords and power adaptersImportant safety information Extension cords and related devicesPlugs and outlets BatteriesCD and DVD drive safety Heat and product ventilationviiiUser Guide DANGER Additional safety informationDANGER To avoid a shock hazardNe pas Lithium battery noticeModem safety information Do notConsignes de sécurité relatives au modem Laser compliance statementDANGER DANGEROverview Information resourcesxiii See Chapter 2, “Types Identifying your computerSee Chapter 1, “Types 8149, 8177, and 8178,” on pageMemory FeaturesChapter 1. Types 8149, 8177, and System informationVideo subsystem System management featuresInput/output features PowerIBM preinstalled software Security featuresEnvironment SpecificationsDimensions WeightAvailable options Tools requiredHandling static-sensitivedevices Installing external options 7AGP slot some models Obtaining device drivers ConnectorDescription 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 Installing security features Connecting a serial ATA hard disk driveWhat to do next Rope clip Identifying security locks20User Guide What to do next Password protectionChanging the battery Integrated cable lockTo change the battery Replacing the cover and connecting the cables 24User Guide Memory Chapter 2. Types 8126, 8174, 8175, andFeatures System informationInternal drives System management featuresInput/output features PowerIBM preinstalled software Security featuresHeight 398 mm 15.67 in Width 180 mm 7.08 in SpecificationsThe following are some available options Available optionsTools required Handling static-sensitivedevices30User Guide Installing external options1USB connector 2USB connector 7 VGA monitor connector Connector Obtaining device driversDescription To remove the cover Removing the cover1Microprocessor and heat sink 6Power supplyLocating components Identifying parts on the system board36User Guide Installing memoryWhat to do next To install a DIMMTo install an adapter Installing adaptersInstalling internal drives 5.Secure the adapter with the screw as shownWhat to do next 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 driveWhat to do next Installing security featuresConnecting a serial ATA hard disk drive An additional drive can be connected to either the primary IDE or secondary IDE connector2 Integrated cable lock 3 Padlock loop Identifying security locksRope clip 1 Rope clipChapter 2. Types 8126, 8174, 8175, and What to do next Password protectionChanging the battery Integrated cable lockTo 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 Memory Chapter 3. Types 8084, 8085, 8147, 8148, andFeatures System informationVideo subsystem System management featuresInput/output features Internal drivesPower Security featuresIBM preinstalled software Height 413 mm 16.25 in Width 191 mm 7.5 in SpecificationsThe following are some available options Available optionsTools required Handling static-sensitivedevices56User Guide Installing external options5USB connector 1IEEE 1394 connector4USB connector 2Microphone connector58User Guide Connector Obtaining device driversDescription To remove the cover Removing the cover1Microprocessor and heat sink 5Power supplyLocating components Identifying parts on the system board62User Guide Installing memoryInstalling adapters To install a DIMMWhat to do next 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 driveInstalling security features Connecting a serial ATA hard disk driveWhat to do next To install a rope clip Identifying security locksRope clip Chapter 3. Types 8084, 8085, 8147, 8148, and What to do next Password protectionChanging the battery Integrated cable lockTo 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 Exiting from the IBM Setup Utility program Chapter 4. Using the IBM Setup Utility programStarting the IBM Setup Utility program Viewing and changing settingsSelecting a startup device Administrator passwordSetting, changing, and deleting a password Using Security Profile by DeviceAdvanced settings Selecting a temporary startup deviceChanging the startup sequence 80User Guide System programs Updating flashing BIOS from a disketteUpdating flashing BIOS from your operating system Appendix A. Updating system programsRecovering from a POST/BIOS update failure Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball 8.Replace the ball and the retainer ring Appendix C. Manual modem commands Basic AT commandsATH ENTER Command Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Attention Switzerland User Telekom PTT SCR-BE Taximpulssperrfilter-12kHzPTT Art. Bakom 93.0291.Z.N 92User Guide CRU parts list 94User Guide Appendix E. Notices IBM Director of Licensing IBM CorporationNorth Castle Drive Armonk, NY U.S.A Trademarks Television output noticedrives continued Index APage Page 1P P/N 19R0764

1Microprocessor and heat sink

4PCI slots

2DIMMs

5PCI adapter

3AGP slot (some models)

6Power supply