Lenovo 3000 J Series manual Connector Description

Page 37

Connector	Description
Mouse connector	Used to attach a mouse, trackball, or other pointing device that
	uses a standard mouse connector.
Keyboard connector	Used to attach a keyboard that uses a standard keyboard
	connector.
Serial connector	Used to attach an external modem, serial printer, or other
	devices that use a 9-pin serial connector.
Parallel connector	Used to attach a parallel printer, parallel scanner, or other
	devices that use a 25-pin parallel connector.
Audio line out connector	Used to send audio signals from the computer to external
	devices, such as powered stereo speakers (speakers with
	built-in amplifiers), headphones, multimedia keyboards, or the
	audio line in connector on a stereo system or other external
	recording device.
Audio line in connector	Used to receive audio signals from an external audio device,
	such as a stereo system. When you attach an external audio
	device, a cable is connected between the audio line out
	connector of the device and the audio line in connector of the
	computer.
Microphone connector	Used to attach a microphone to your computer when you want
	to record voice or other sounds or if you use
	speech-recognition software.
USB connectors	Used to attach a device that requires a Universal Serial Bus
	(USB) connection, such as a USB scanner or USB printer.
	Depending upon the model, if you have more than four or six
	USB devices, you can purchase a USB hub, which you can use
	to connect additional USB devices.
Ethernet connector	Used to attach an Ethernet cable for a local area network
	(LAN).
	Note: To operate the computer within FCC Class B limits, use
	a Category 5 Ethernet cable.

Chapter 3. Installing options 19

Image 37

Contents User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Getting information, help Conditions that require immediate action Important safety informationService and upgrades General safety guidelinesStatic electricity prevention Power cords and power adaptersViii User Guide Extension cords and related devices Voltage-selection switchPlugs and outlets Batteries External devicesHeat and product ventilation Operating environment Lithium battery notice Electrical current safety informationTo connect To disconnect Laser compliance statement Modem safety informationData safety Power supply statementCleaning and maintenance Additional safety informationIntroduction Xvi User Guide Comfort Arranging your workspaceGlare and lighting Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerUser Guide Setting up your computer User Guide 1394 User Guide Finishing the software installation Turning on powerCompleting important tasks Updating your operating system Installing other operating systemsUpdating your antivirus software Shutting down the computerFeatures Installing optionsMemory Input/output features Available options Tools required SpecificationsHandling 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 Identifying parts on the system board Locating componentsUser Guide Installing options What to do next Installing memoryInstalling adapters Secure the adapter with the screw as shown Drive specifications Installing internal drivesUser Guide Installing a drive User Guide Installing options Connecting the first CD drive or DVD drive Connecting a serial ATA hard disk drive Installing security featuresChanging the battery Password protectionPadlock loop Installing options Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Creating and using the Product Recovery disc Recovering softwarePerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the following Creating and using a Recovery Repair disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsUser Password Password considerationsAdministrator Password Setting, changing, and deleting a passwordSelecting a startup device Using Security Profile by DeviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsChanging the startup device sequence Updating flashing Bios from a diskette Using system programsUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Diagnostic programs PC-Doctor for DOS PC-Doctor for WindowsCreating diagnostic diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo CareWarranty and safety Access HelpUsing the documentation and diagnostic programs Help and serviceCalling for service Purchasing additional services Using other servicesBasic AT commands Appendix A. 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 A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex 14, 22, 23 Page Part Number