Lenovo TC A51-8425, TC A51-8424, TC A51-8428, TC S51-8171, TC S51-8173 IBM preinstalled software

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vStartup without diskette drive, keyboard, or mouse

vDiskette and hard disk I/O control

vSerial and parallel port I/O control

vSecurity profile by device

IBM preinstalled software

Your computer comes with preinstalled software. An operating system, device drivers to support built-in features, and other support programs are included.

4User Guide

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Contents User Guide Types 8424, 8425 Types 8171, 8172 Page User Guide Types 8424, 8425 Types 8171, 8172 Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral 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 Laser compliance statement Consignes de sécurité relatives au modemXii User Guide Overview Information resourcesFeatures Security features Input/output featuresPower ExpansionIBM preinstalled software Operating systems preinstalled varies by model Available optionsSpecifications Supported operating positions User Guide Installing options Installing external optionsHandling static-sensitive devices Cover keylock some models Locating connectors on the rear of your computer Obtaining device driversOpening the cover Locating components Accessing system board components and drives Identifying parts on the system board Installing memory Installing PCI adapters Removing and replacing the battery What to do nextRemoving and replacing an optical drive Installing security features Removing and replacing a diskette driveIdentifying security locks Integrated security cableUser Guide Rope clip Password protectionTo install a rope clip Cover lockErasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cablesViewing and changing settings Using the IBM Setup UtilityStarting the IBM Setup Utility program Exiting from the IBM Setup Utility programAdministrator Password Password considerationsUser Password IDE Drive User PasswordUsing Security Profile by Device IDE Drive Master PasswordSetting, changing, and deleting a password Select Security Profile by DeviceSelecting a temporary startup device Advanced settingsSelecting a 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 Appendix C. Manual modem commands Basic AT commandsSet Tone Dial as default Low speaker volumeSet Pulse dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Notices Trademarks IBMIndex Special characters Page Page Part Number 19R0474