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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
                    
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                          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
                    
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                          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 
                    
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                          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 
                    
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                          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 
                    
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                          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
                    
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                          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                                                                                                                                       
                    
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                          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
                    
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                          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
                    
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                          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 
                    
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                          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
                    
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                        12 User Guide