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Lenovo 8422, 8146, 8423, 8427, 8143, 8144, 8097 Locating the connectors on the rear of your computer

Models: 8144 8097 8143 8422 8427 8423 8146

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Locating the connectors on the rear of your computer

The following illustration shows the locations of the connectors on the rear of the computer.

1	Diagnostic LEDs	10	PS/2 keyboard connector
2	Voltage selection switch	11	USB connectors (4)
3	Power connector	12	USB connectors (2)
4	Audio line out connector	13	Ethernet connector
5	Audio line in connector	14	PCI Express x16 connector
6	VGA monitor connector	15	PCI Express x1 connector
7	Parallel connector	16	PCI connectors
8	Serial connector (COM 1)	17	Serial connector (COM 2) (some models)
9	PS/2 mouse connector

Note: Some connectors on the rear of the computer are color-coded to help you determine where to connect the cables on your computer.

8User Guide

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Lenovo 8422, 8146, 8423, 8427, 8143, 8144, 8097 manual Locating the connectors on the rear of your computer

Contents

User Guide Types 8097, 8143, 8144 Types 8422, 8423 Page User Guide Types 8097, 8143, 8144 Types 8422, 8423 Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devicesPlugs and outlets BatteriesCD and DVD drive safety Heat and product ventilationAdditional safety information Lithium battery noticeTo connect To disconnect Modem safety information Laser compliance statementPower supply statement Overview Information resourcesXiv User Guide Installing options FeaturesMemory Operating systems, preinstalled varies by model type Available options Specifications Installing external options Tools requiredHandling static-sensitive devices Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system boardInstalling a memory module What to do next Installing adapters Installing internal drives Drive specifications Installing a drive in bay 1 or bay Installing a hard disk drive in bay Installing options Connecting drives Connecting the first optical driveConnecting a serial ATA hard disk drive Installing security featuresPassword protection Changing the batteryPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsUser Password Administrator PasswordIDE Drive User Password IDE Drive Master PasswordSetting, changing, and deleting a password Using Security Profile by DeviceSelecting a startup device Exiting from the Setup Utility program Selecting a temporary startup deviceChanging the startup sequence Updating flashing Bios from a diskette or CD-ROM Updating flashing Bios from your operating systemAppendix A. Updating system programs System programsRecovering 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 commandsLow speaker volume Set Pulse dial as defaultSet Tone 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 Television output notice TrademarksIndex Page Page Part Number 19R0450