Lenovo 3000 J Series instruction

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	Power connector	9	Ethernet connector
2	Voltage-selection switch (some	10	USB connectors
	models)
3	Mouse connector	11	Microphone connector
4	Keyboard connector	12	Audio line out connector
5	Serial connector	13	Audio line in connector
6	Parallel connector	14	PCI Express x1 or PCI Express x16
			graphics adapter connector (some models)
7	VGA monitor connector	15	PCI Express x1 or PCI Express x16
			graphics adapter connector (some models)
8	USB connectors	16	PCI adapter 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.

18User Guide

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Lenovo 3000 J Series manual Locating the connectors on the rear of your computer

Contents

User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Getting information, help Important safety information Conditions that require immediate action General safety guidelines Service and upgrades Power cords and power adapters Static electricity prevention Viii User Guide Voltage-selection switch Extension cords and related devicesPlugs and outlets External devices BatteriesHeat and product ventilation Operating environment Electrical current safety information Lithium battery noticeTo connect To disconnect Modem safety information Laser compliance statement Power supply statement Data safetyCleaning and maintenance Additional safety information Introduction Xvi User Guide Arranging your workspace ComfortGlare and lighting Air circulation Electrical outlets and cable lengths Setting up your computer Connecting your computer User Guide Setting up your computer User Guide 1394 User Guide Turning on power Finishing the software installationCompleting important tasks Installing other operating systems Updating your operating systemUpdating your antivirus software Shutting down the computer Installing options Features Memory Input/output features Available options Specifications Tools requiredHandling static-sensitive devices Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Removing the cover Locating components Identifying parts on the system board User Guide Installing options Installing memory What to do next Installing adapters Secure the adapter with the screw as shown Installing internal drives Drive specifications User Guide Installing a drive User Guide Installing options Connecting the first CD drive or DVD drive Installing security features Connecting a serial ATA hard disk drive Password protection Changing the batteryPadlock loop Installing options Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery disc Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the following Recovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems User Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwords Password considerations User PasswordAdministrator Password Setting, changing, and deleting a password Using Security Profile by Device Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programChanging the startup device sequence Using system programs Updating flashing Bios from a disketteUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOS Creating diagnostic diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo Care Access Help Warranty and safety Help and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional services Appendix A. Manual modem commands Basic AT commands Low speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commands Voice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice Trademarks Index 14, 22, 23 Page Part Number