Lenovo TC S51-8172, TC A51-8425 manual Input/output features, Expansion, Power, Security features

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vSystem Management (SM) BIOS and SM software

vAbility to store POST hardware test results

Input/output features

v1 PCI Slot

v1 PCI Express x1 slot with support for PCI-e DVI-D Connection Adapter

v25-pin Parallel Port

vTwo 9-pin serial connectors

vEight USB 2.0 connectors (two on front panel and six on rear panel)

vPS/2® mouse connector

vPS/2 keyboard connector

vEthernet connector

vVGA monitor connector

vTwo audio connectors (line-in and line-out) on rear panel

vTwo audio connectors (microphone and headphone) on front panel

Expansion

vOne 132-bit PCI slot

vOne PCI Express x1 slot with support for PCI-e DVI-D Connection Adapter

vTwo DIMM memory connectors

Power

v225 Watt power supply with manual voltage selection switch

vAutomatic 50/60 Hz input frequency switching

vAdvanced Power Management support

vAdvanced Configuration and Power Interface (ACPI) support

Security features

The IBM Embedded Security Subsystem (ESS) is a security subsystem included on IBM ThinkCentre PCs. It consists of a dedicated Hardware Security Module built on to the motherboard and Client Security Software, a free, web-downloaded application. ESS provides the following security values by enhancing the security of:

vdata stored on the PC by providing an encryption application (File and Folder Encryption) or encryption products from ISVs (such as products from Utimaco Safeware)

vdigital certificates and other digital identity information stored on a PC

vVPN products from Cisco, Check Point and 3Com by increasing the protection around login credentials these products use

vcustomer network by providing unique machine identifiers for PCs in the network (by associating certificates with the built-in Hardware Security Module)

Other security features include:

vUser and administrator passwords

vSupport for the addition of a cable lock such as a Kensington lock

vKnockout holes for installing a rope clip (U-bolt)

vOptional keylock on top cover

vStartup sequence control

Chapter 1. Overview 3

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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 Conditions that require immediate action Important safety informationPower cords and power adapters General safety guidelinesService Batteries Extension cords and related devicesPlugs and outlets Heat and product ventilation CD and DVD drive safetyAdditional safety information To connect To disconnect Connexion Déconnexion Lithium battery noticeModem safety information 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 Handling static-sensitive devices Installing optionsInstalling external options 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 sequenceUpdating flashing Bios from your operating system Appendix A. Updating POST/BIOSUpdating flashing Bios from a diskette Recovering from a POST/BIOS update failure Cleaning a mouse with a ball Appendix B. Cleaning the mouseCleaning an optical mouse 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