Supported operating positions | Lenovo TC S51-8171, TC A51-8425

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 information General 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 statement Xii User Guide Information resources Overview Features Power Input/output featuresSecurity features Expansion IBM preinstalled software Available options Operating systems preinstalled varies by model Specifications 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 computer Opening 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 battery Removing and replacing an optical drive Removing and replacing a diskette drive Installing security features Integrated security cable Identifying security locks User Guide To install a rope clip Password protectionRope clip Cover lock Closing the cover and connecting the cables Erasing a lost or forgotten password clearing Cmos Starting the IBM Setup Utility program Using the IBM Setup UtilityViewing and changing settings Exiting from the IBM Setup Utility program User Password Password considerationsAdministrator Password IDE Drive User Password Setting, changing, and deleting a password IDE Drive Master PasswordUsing Security Profile by Device Select Security Profile by Device Selecting a startup device Advanced settingsSelecting a temporary startup device Changing the startup device sequence Appendix 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 commands Set Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commands Voice commands Appendix C. Manual modem commands User Guide Appendix D. Notices IBM Trademarks Index Special characters Page Page Part Number 19R0474