Lenovo 3000 J Series manual Specifications, Tools required, Handling static-sensitive devices

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Specifications

This section lists the physical specifications for your computer.

Dimensions

Height: 392 mm (15.43 in.)

Width: 180 mm (7.09 in.)

Depth: 445 mm (17.52 in.)

Weight

Minimum configuration as shipped: 9.1 kg 20.06 lb)

Maximum configuration: 10.2 kg (22.5 lb)

Environment

Air temperature:

System on: 10° to 35°C (50° to 95° F)

System off: 10° to 60°C (50° to 140° F)

Maximum altitude: 914 m (3000 ft)

Note: The maximum altitude, 914 m (3000 ft), is the maximum altitude at which the specified air temperatures apply. At higher altitudes, the maximum air temperatures are lower than those specified.

Humidity:

System on: 10% to 80%

System off: 10% to 90%

Electrical input: Some models have a switchable power supply that supports both low and high input voltage ranges. Some models do not have a switch and support only a low or high input voltage range. See “Voltage-selection switch” on page ix for additional information.

Input voltage:

Low range:

Minimum: 100 V ac

Maximum: 127 V ac

Input frequency: 50/60 Hz

Voltage switch setting: 115 V ac (some models)

High range:

Minimum: 200 V ac

Maximum: 240 V ac

Input frequency: 50/60 Hz

Voltage switch setting: 230 V ac (some models)

Input kilovolt-amperes (kVA) (approximate):

Minimum configuration as shipped: 0.158 kVA

Maximum configuration: 0.213 kVA

Tools required

To install some options in your computer, you might need a flat-blade or Phillips screwdriver. Additional tools might be needed for certain options. See the instructions that come with the option.

Handling static-sensitive devices

Static electricity, although harmless to you, can seriously damage computer components and options.

Chapter 3. Installing options 15

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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 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 Laser compliance statement Modem safety informationData safety Power supply statementCleaning and maintenance Additional safety informationIntroduction Xvi User Guide Arranging your workspace ComfortGlare 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 Turning on power Finishing the software installationCompleting important tasks Updating your operating system Installing other operating systemsUpdating your antivirus software Shutting down the computerFeatures Installing optionsMemory 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 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 featuresPassword protection Changing the batteryPadlock 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 passwordUsing 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 DOS PC-Doctor for WindowsCreating diagnostic diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse Troubleshooting and diagnostics User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo CareWarranty and safety Access HelpHelp and service Using the documentation and diagnostic programsCalling 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