Lenovo ThinkCentre 8494 user manual

User manual for the device Lenovo ThinkCentre 8494

Device: Lenovo ThinkCentre 8494
Category: Personal Computer
Manufacturer: Lenovo
Size: 2.2 MB
Added : 10/16/2013
Number of pages: 92
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Summaries

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Abstracts of contents
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ThinkCentre User Guide

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Note Before using this information and the product it supports, be sure to read and understand the ThinkCentre Safety and Warranty Guide and “Notices,” on page 77. Second Edition (May 2009) © Copyright Lenovo 2009. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and di

Summary of the content on the page No. 5

Contents Viewing and changing settings . . . . . . . .59 Important safety information . . . . . .v Using passwords . . . . . . . . . . . .59 Password considerations . . . . . . . . .60 Chapter 1. Product overview . . . . . .1 Power-On Password . . . . . . . . . .60 Features . . . . . . . . . . . . . . . .1 Privileged Access Password . . . . . . . .60 Specifications . . . . . . . . . . . . . .4 Hard Disk User Password . . . . . . . .60 Software overview . . . . . . . . . .

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iv User Guide

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Important safety information CAUTION: Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the ThinkCentre Safety and Warranty Guide that you received with this product for the latest safety information. Reading and understanding this safety information reduces the risk of personal injury and or damage to your product. If you no longer have a copy of the ThinkCentre Safety and Warranty Guide, you can ® obtain a Portabl

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vi User Guide

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Chapter 1. Product overview This chapter provides an introduction to the features and options that are available for your computer. You can expand the capabilities of your computer by adding memory modules, drives, or adapter cards. When installing or replacing an option, use these instructions along with the instructions that come with the option. Important: Before you install or replace any option, be sure to read and understand the “Important safety information” first. These precau

Summary of the content on the page No. 10

Audio subsystem v Audio line-in connector, audio line-out connector, and microphone connector on the rear panel v High Definition (HD) with ADI 1882 Audio Codec v Microphone connector and headphone connector on the front panel v Mono internal speaker (some models) Connectivity v 10/100/1000 Mbps integrated Ethernet controller v PCI V.90 Data/Fax modem (some models) System management features v Ability to store power-on self-test (POST) hardware test results v Automatic

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Power v 280-watt auto-sensing power supply (some models) v 280-watt power supply with manual voltage-selection switch (some models) v 320-watt auto-sensing power supply (some models) v 450-watt auto-sensing power supply (some models) v Automatic 50/60 Hz input frequency switching v Advanced Configuration and Power Interface (ACPI) support Security features v Computrace v Cover presence switch (also called intrusion switch, some models) v Diskette drive and hard disk

Summary of the content on the page No. 12

Specifications This section lists the physical specifications for your computer. Dimensions Width: 175 mm (6.89 inches) Height: 402 mm (15.83 inches) Depth: 440 mm (17.32 inches) Weight Maximum configuration as shipped: 11 kg (24.25 lbs) Environment Air temperature: Operating: 10° to 35°C (50° to 95°F) Non-operating: -40° to 60°C (-40° to 140°F) (with package) Non-operating: -10° to 60°C (14° to 140°F) (without package) Humidity: Operating: 10% to

Summary of the content on the page No. 13

Software overview This section describes the software preinstalled on the computers that have an internal hard disk drive and an operating system from Lenovo. Software provided with your Windows operating system This section describes the Windows applications included with your computer. Software provided by Lenovo The following software applications are provided by Lenovo to help you improve productivity and reduce the cost associated with maintaining your computer. Software provided

Summary of the content on the page No. 14

PC-Doctor for Windows PE The PC-Doctor for Windows PE diagnostic program is preinstalled on your hard disk drive. It is part of the Rescue and Recovery workspace on each Lenovo computer to diagnose hardware problems and report operating-system-controlled settings that can cause hardware failures. Use the PC-Doctor for Windows PE if you are unable to start the Windows operating system or if the Lenovo System Toolbox has not been successful in isolating a possible problem. See “PC-Doctor f

Summary of the content on the page No. 15

Locations Locating connectors on the front of your computer Figure 1 shows the location of the connectors on the front of your computer. Note: Not all computer models have the following connectors. Figure 1. Front connector locations 1 USB connector 3 Microphone connector 2 Headphone connector 4 USB connector Chapter 1. Product overview 7

Summary of the content on the page No. 16

Locating connectors on the rear of your computer Figure 2 shows the location of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. Rear connector locations 1 Voltage-selection switch (some 10 USB connectors (2) models) 2 Power cord connector 11 Microphone connector 3 Standard mouse connector 12 Audio line-out connector 4 Standard keyb

Summary of the content on the page No. 17

Connector Description 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. 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

Summary of the content on the page No. 18

Locating components To remove the computer cover, see “Removing the computer cover” on page 14. Figure 3 shows the location of the various components in your computer. Figure 3. Component locations 1 Microprocessor, heat sink, and heat 6 PCI Express x16 graphics adapter card slot sink fan assembly 2 Memory slots (4) 7 Cover presence switch (also called Intrusion switch) (some models) 3 PCI Express x1 adapter card slot 8 Rear system fan assembly 4 PCI adapter card 

Summary of the content on the page No. 19

Locating parts on the system board Figure 4 shows the location of the parts on the system board. Figure 4. System board parts locations 1 Microprocessor 15 Front USB connector 1 2 Microprocessor fan connector 16 Front USB connector 2 3 Memory slot 1 17 Clear CMOS (Complementary Metal Oxide Semiconductor)/Recovery jumper 4 Memory slot 2 18 Serial (COM2) connector 5 Memory slot 3 19 Front audio connector 6 Memory slot 4 20 Internal speaker connector 7 24

Summary of the content on the page No. 20

12 User Guide


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