Manual de instrucciones de Lenovo 8421

Manual de instrucciones del aparato Lenovo 8421

Aparato: Lenovo 8421
Tamaño: 1,61 MB
Fecha de añadido: 2014-10-17 17:56:06
Número de páginas: 62
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Manual de instrucciones de Lenovo 8421
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1


User Guide
Types 8095, 8096, 8141, 8142
Types 8145, 8420, 8421, 8426



ThinkCentre

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User Guide Types 8095, 8096, 8141, 8142 Types 8145, 8420, 8421, 8426

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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 D, “Notices,” on page 41. Sixth Edition (Octoberhi 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2004,2005. 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 th

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Contents Important safety information . . . . . .v Chapter 2. Using the Setup Utility Conditions that require immediate action . . . . .v program . . . . . . . . . . . . . .25 General safety guidelines . . . . . . . . . .vi Starting the Setup Utility program . . . . . . .25 Service . . . . . . . . . . . . . . .vi Viewing and changing settings . . . . . . . .25 Power cords and power adapters . . . . . . vii Using passwords . . . . . . . . . . . .25 Extension cords and related de

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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 ThinkCentre or ThinkPad 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 elect

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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. Never wrap a power cord around the power adapter or other object. Doing so can stress the cord in ways that can cause the cord to fray, crack or crimp.

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product. Never overload these devices. If power strips are used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requirements, and input ratings. Plugs and outlets If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If th

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Heat and product ventilation Computers generate heat when turned on and when batteries are charging. Notebook PCs can generate a significant amount of heat due to their compact size. Always follow these basic precautions: v Do not leave the base of your computer in contact with your lap or any part of your body for an extended period when the computer is functioning or when the battery is charging. Your computer produces some heat during normal operation. Extended contact with the bod

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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 or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet. v Connect to properly wired

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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 jacks in wet locations unless the jack is specifically designed for wet locations. v Never touch uninsulated telephone wires or termin

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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 a service technician. xii User Guide

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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. Adding hardware options to your computer is an easy way to increase its capabilities. Instructions for installing external and internal options are included in this publication. When adding an option, use these instructions along with the instructions that come along with the option. Information resources The Q

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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, adapters, or drives. When installing an option, use these instructions along with the instructions that come with the option. Important Before you install or remove any option, read “Important safety information” on page v. These precautions and guidelines will help you work safe

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Memory v Support for four double data rate (DDR or DDR2, depending on model) dual inline memory modules (DIMMs) v 512 KB flash memory for system programs Internal drives v 3.5-inch, 1.44 MB diskette drive v Serial Advanced Technology Attachment (SATA) internal hard disk drive v Optical drive (some models) Video subsystem v An integrated graphics controller for a Video Graphics Array (VGA) monitor v PCI Express (x16) graphics adapter connector on the system board Audio sub

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Expansion v Four drive bays v Two 32-bit peripheral component interconnect (PCI) adapter connectors v One PCI Express (x1) adapter connector v One PCI Express (x16) graphics adapter connector Power v 310 W power supply with manual voltage selection switch v Automatic 50/60 Hz input frequency switching v Advanced Power Management support v Advanced Configuration and Power Interface (ACPI) support Security features v User and administrator passwords for BIOS access v

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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: 146 mm (5.7 in.) Minimum configuration: 256 Btu/hr (75 watts) Width: 442 mm (17.4 in.) Maximum configuration: 1058 Btu/hr (310 watts) Depth: 401 mm (15.8 in) Airflow Weight Approximately 1.13 cubic meters per minute (40 cubic Minimum configuration as shipped: 24 lb (11 kg) feet per minute) ma


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