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User Guide  
Types 8104, 8105, 8106, 8107, 8108, 8109 
Types 8117, 8118, 8119, 8120, 8121 
                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                           User Guide   Types 8104, 8105, 8106, 8107, 8108, 8109  Types 8117, 8118, 8119, 8120, 8121                                                                                                                                                                                                                                                                                                                                                                                                                        
                    
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                          Note  Before using this information and the product it supports, be sure to read the “Important safety information” on page v and  Appendix E, “Notices,” on page 41. Fourth Edition (February 2006)  © Copyright Lenovo 2006.  Portions © Copyright International Business Machines Corporation 2005.  All rights reserved.  U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services are provided with  RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to the GSA
                    
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                          Contents  Viewing and changing settings  . . . . . . . .21  Important safety information . . . . . .v  Exiting from the Setup Utility program  . . . . .21  Conditions that require immediate action . . . . .v  Using passwords  . . . . . . . . . . . .21  General safety guidelines  . . . . . . . . . .vi  Password considerations  . . . . . . . . .22  Service  . . . . . . . . . . . . . . .vi  User Password  . . . . . . . . . . . .22  Power cords and power adapters  . . . . . . vii  Administrator Pa
                    
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                        iv User Guide                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
                    
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                            Important safety information  Note  Please read important safety information first.  This information can help you safely use your desktop or notebook personal  computer. Follow and retain all information included with your computer. The  information in this document does not alter the terms of your purchase agreement  ™  or the Lenovo Statement of Limited Warranty.  Customer safety is important. Our products are developed to be safe and effective.  However, personal computers are electronic
                    
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                          speak to the Customer Support Center for further guidance. See “Information  resources” on page xiii for more information.  v   Power cords, plugs, power adapters, extension cords, surge protectors, or power  supplies that are cracked, broken or damaged.  v   Signs of overheating, smoke, sparks or fire.  v   Damage to a battery (such as cracks, dents, creases), discharge from a battery, or  a buildup of foreign substances on the battery.  v   A cracking, hissing or popping sound, or strong odo
                    
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                            Danger       Hazardous moving parts. Keep fingers and other body parts away.    Attention       Before replacing any CRUs, turn off the computer and wait three to five  minutes to let the computer cool before opening the cover. Power cords and power adapters  Use only the power cords and power adapters supplied by the product  manufacturer.  The power cords shall be safety approved. For Germany, it shall be H05VV-F, 3G,  2 0.75 mm , or better. For other countries, the suitable types shall be
                    
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                          Do not use any power cords where the electrical contacts on either end show signs  of corrosion or overheating or where the power cord appears to have been  damaged in any way.  Extension cords and related devices  Ensure that extension cords, surge protectors, uninterruptible power supplies, and  power strips that you use are rated to handle the electrical requirements of the  product. Never overload these devices. If power strips are used, the load should  not exceed the power strip input ra
                    
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                          Batteries can degrade when they are left unused for long periods of time. For some  rechargeable batteries (particularly Lithium Ion batteries), leaving a battery unused  in a discharged state could increase the risk of a battery short circuit, which could  shorten the life of the battery and can also pose a safety hazard. Do not let  rechargeable Lithium-Ion batteries completely discharge or store these batteries in a  discharged state.  Heat and product ventilation  Computers generate heat w
                    
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                             v   Always store CD/DVD discs out of direct sunlight and away from direct heat  sources  v   Remove CD/DVD discs from the computer when not in use  v   Do not bend or flex CD/DVD discs, or force them into the computer or their  packaging  v   Check CD/DVD discs for cracks before each use. Do not use cracked or  damaged discs Additional safety information    Danger  Electrical current from power, telephone, and communication cables is  hazardous. To  avoid a shock hazard:  v   Do not connect
                    
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                             v   Heat to more than 100°C (212°F)  v   Repair or disassemble Dispose of the battery as required by local ordinances or regulations.  Modem safety information    Caution  To reduce the risk of fire, use only No. 26 AWG or larger  telecommunication line cord.   To reduce the risk of fire, electrical shock, or injury when using telephone  equipment, always follow basic safety precautions, such as:  v   Never install telephone wiring during a lightning storm.  v   Never install telephone jack
                    
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                          Danger  Laser radiation when open. Do not stare into the beam, do not view  directly with optical instruments, and avoid direct exposure to the beam. Power supply statement  Never remove the cover on a power supply or any part that has the following  label attached.       Hazardous voltage, current, and energy levels are present inside any component  that has this label attached. There are no serviceable parts inside these components.  If you suspect a problem with one of these parts, contact 
                    
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                          Overview  ®  Thank you for selecting a ThinkCentre computer. Your computer incorporates  many of the latest advances in computer technology and can be upgraded as your  needs change.  This publication supports several computer models. Information in this section will  help you identify your computer and help you find the chapter that contains  information specific to your computer.  Adding hardware options to your computer is an easy way to increase its  capabilities. Instructions for installi
                    
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                        xiv User Guide                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                             Chapter 1. Installing options       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 or adapters. When installing an option, use these instructions along with  the instructions that come with the option.  Note:  Use only parts provided by Lenovo.    Important  Before you install or remove any option, read “Important safety information”  on page v. These precautions and 
                    
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                          Video subsystem  An integrated graphics controller for a Video Graphics Array (VGA) monitor  Audio subsystem  v   AC’97 with ADI 1981B Audio Codec  v   Line in and line out connectors on the rear panel  v   Microphone and headphone connectors on the front panel  v   Mono internal speaker (some models)  Connectivity  v   10/100/1000 Mbps integrated Intel Ethernet controller that supports the Wake  ®  on LAN feature (some models)  v   Soft modem V.90/V.44 (some models)  System management feature
                    
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                          Security features  v   Keyboard with fingerprint reader (some models, see the ThinkVantage  Productivity Center program for more information)  v   User and administrator passwords for BIOS access  v   Support for the addition of an integrated cable lock (Kensington lock) to secure  the cover  v   Startup sequence control  v   Startup without diskette drive, keyboard, or mouse  v   Unattended start mode  v   Hard disk I/O control  v   Serial and parallel port I/O control  v   Security profile b
                    
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                          Specifications  This section lists the physical specifications for your computer.    Dimensions Heat output (approximate) in British thermal units (Btu)  per hour:     Height: 89 mm (3.5 in.)     Minimum configuration: 256 Btu/hr (75 watts)     Width: 276 mm (10.9 in.)      Maximum configuration: 682 Btu/hr (200 watts)     Depth: 273 mm (10.7 in) Airflow  Weight      Approximately 20 cubic feet (0.57 cubic meters) per      Minimum configuration as shipped: 6.3 kg (13.4 lb)  minute     Maximum