Manuals / Lenovo / Computer Equipment / Personal Computer

Lenovo TC S51-8171, TC A51-8425, TC A51-8424, TC A51-8428, TC S51-8173 Supported operating positions

Models: TC S51-8173 TC A51-8425 TC S51-8171 TC A51-8424 TC S51-8172 TC A51-8428

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Supported operating positions

To provide proper air flow to internal components, you must position your computer in one of the positions as illustrated below.

Chapter 1. Overview 7

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Lenovo TC S51-8171, TC A51-8425, TC A51-8424, TC A51-8428, TC S51-8173, TC S51-8172 manual Supported operating positions

Contents

User Guide Types 8424, 8425 Types 8171, 8172 Page User Guide Types 8424, 8425 Types 8171, 8172 Page Contents Iv User Guide Conditions that require immediate action Important safety informationGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devices Plugs and outletsBatteries CD and DVD drive safety Additional safety informationHeat and product ventilation To connect To disconnect Lithium battery notice Modem safety informationConnexion Déconnexion Consignes de sécurité relatives au modem Laser compliance statementXii User Guide Information resources OverviewFeatures Power Input/output featuresSecurity features ExpansionIBM preinstalled software Available options Operating systems preinstalled varies by modelSpecifications Supported operating positions User Guide Installing options Installing external optionsHandling static-sensitive devices Cover keylock some models Obtaining device drivers Locating connectors on the rear of your computerOpening the cover Locating components Accessing system board components and drives Identifying parts on the system board Installing memory Installing PCI adapters What to do next Removing and replacing the batteryRemoving and replacing an optical drive Removing and replacing a diskette drive Installing security featuresIntegrated security cable Identifying security locksUser Guide To install a rope clip Password protectionRope clip Cover lockClosing the cover and connecting the cables Erasing a lost or forgotten password clearing CmosStarting the IBM Setup Utility program Using the IBM Setup UtilityViewing and changing settings Exiting from the IBM Setup Utility programUser Password Password considerationsAdministrator Password IDE Drive User PasswordSetting, changing, and deleting a password IDE Drive Master PasswordUsing Security Profile by Device Select Security Profile by DeviceSelecting a startup device Advanced settingsSelecting a temporary startup device Changing the startup device sequenceAppendix A. Updating POST/BIOS Updating flashing Bios from a disketteUpdating flashing Bios from your operating system Recovering from a POST/BIOS update failure Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball User Guide Basic AT commands Appendix C. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Notices IBM TrademarksIndex Special characters Page Page Part Number 19R0474