Dell Precision Workstation 650 Guida utente

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Dell Precision™ Workstation

System Information Guide

Guide d'informations du système

Systeminformationshandbuch

Informazioni di sistema

Guía de información del sistema

Models WHL, DHS, DHM, and WHM

www.dell.com | support.dell.com

Dell Precision™ Workstation

System Information Guide

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better

use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of

data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage,

personal injury, or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of

Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Dell Precision are trademarks of

Dell Computer Corporation; Microsoft and Windows are registered trademarks of Microsoft

Corporation.

Othertrademarksandtradenamesmaybeusedinthisdocumenttorefertoeithertheentitiesclaiming

themarksandnamesortheirproducts.DellComputerCorporationdisclaimsanyproprietaryinterest

in trademarks and trade names other than its own.

July 2002 P/N 15MYY Rev. A04

Contents 3

Contents

Dell Documentation . . . . . . . . . . . . . . . . . . . . . . . . . 5

Your Dell Precision Workstation User’s Guide . . . . . . . . . . 5

Additional Documentation . . . . . . . . . . . . . . . . . . . . 5

CAUTION: Safety Instructions . . . . . . . . . . . . . . . . . . . 6

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

When Using Your Computer . . . . . . . . . . . . . . . . . . . . 8

When Working Inside Your Computer . . . . . . . . . . . . . . 9

Protecting Against Electrostatic Discharge . . . . . . . . . . . 10

Ergonomic Computing Habits . . . . . . . . . . . . . . . . . . 10

Battery Disposal . . . . . . . . . . . . . . . . . . . . . . . . 11

Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . . 11

4Contents

System Information Guide 5

Dell Documentation

This document contains safety, regulatory, and warranty information about

your Dell Precision™ Workstation. It also provides information about the

additional documentation for your computer.

Your Dell Precision Workstation User’s Guide

You r User’s Guide is installed on your hard drive and includes descriptions

of computer features, instructions for removing and installing parts,

information on using system setup, diagnostic and troubleshooting

information, and technical specifications.

To access the User’s Guide, follow the instructions for your operating

system.

NOTE: Yo u r User’s

Guide and other computer

documentation is also

located on the Dell

Precision ResourceCD and

the Dell Support website

at support.dell.com.

If you are using Microsoft ® Windows®2000 — Double-click the

User’s Guides icon located on your desktop. Clicking the icon launches

your Dell Document Viewer and allows you to view system and peripheral

documentation.

If you are using Windows XP — Click the Start button and click Help and

Support.

Additional Documentation

You may receive the following documents with your computer:

• The Setup and Quick Reference Guide, which provides instructions for

setting up your computer, a detailed list of available resources and

documentation for your computer, instructions on using the Dell

Precision ResourceCD that came with your computer, and diagnostic

and troubleshooting information.

• Operating system installation guide, which provides information for

reinstalling your operating system.

• Documentation included with any options you purchased separately

for your computer.

• Dell documentation updates, which are usually located on your hard

drive. Read these documents first because they may contain

information that supersedes information in other documents.

6System Information Guide

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CAUTION: Safety Instructions

Use the following safety guidelines to help ensure your own personal safety and to help protect

your computer and working environment from potential damage.

General

• Do not attempt to service the computer yourself unless you are a trained service

technician. Always follow installation instructions closely.

• To help prevent electric shock, plug the computer and device power cables into properly

grounded electrical outlets. These cables are equipped with 3-prong plugs to help ensure

proper grounding. Do not use adapter plugs or remove the grounding prong from a cable.

If you must use an extension cable, use a 3-wire cable with properly grounded plugs.

• To help avoid the potential hazard of electric shock, do not use your computer during an

electrical storm.

• To help avoid the potential hazard of electric shock, do not connect or disconnect any

cables or perform maintenance or reconfiguration of this product during an electrical

storm.

• If your computer includes a modem, the cable used with the modem should be

manufactured with a minimum wire size of 26 American wire gauge (AWG) and an

FCC-compliant RJ-11 modular plug.

• Before you clean your computer, disconnect the computer from the electrical outlet.

Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol

cleaners, which may contain flammable substances.

• To help avoid possible damage to the system board, wait 5 seconds after turning off the

computer before disconnecting a device from the computer.

System Information Guide 7

• To avoid shorting out your computer when disconnecting a network cable, first unplug

the cable from the network adapter on the back of your computer, and then from the

network jack. When reconnecting a network cable to your computer, first plug the cable

into the network jack, and then into the network adapter.

• To help protect your computer from sudden, transient increases and decreases in

electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply

(UPS).

• Ensure that nothing rests on your computer’s cables and that the cables are not located

where they can be stepped on or tripped over.

• Do not push any objects into the openings of your computer. Doing so can cause fire or

electric shock by shorting out interior components.

• Keep your computer away from radiators and heat sources. Also, do not block cooling

vents. Avoid placing loose papers underneath your computer; do not place your computer

in a closed-in wall unit or on a bed, sofa, or rug.

• Do not spill food or liquids on your computer. If the computer gets wet, consult the

User’s Guide.

CAUTION: Safety Instructions (continued)

8System Information Guide

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When Using Your Computer

As you use your computer, observe the following safe-handling guidelines.

CAUTION: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, and so on) removed.

• Your computer is equipped with one of the following:

– A fixed-voltage power supply — Computers with a fixed-voltage power supply do not

have a voltage selection switch on the back panel and operate at only one voltage (see

the regulatory label on the outside of the computer for its operating voltage).

– An auto-sensing voltage circuit — Computers with an auto-sensing voltage circuit do

not have a voltage selection switch on the back panel and automatically detect the

correct operating voltage.

– A manual voltage selection switch — Computers with a voltage selection switch on

the back panel must be manually set to operate at the correct operating voltage.

To help avoid damaging a computer with a manual voltage selection switch, set the switch

for the voltage that most closely matches the AC power available in your location.

NOTICE: The voltage selection switch must be set to the 115-V position even though the AC power

available in Japan is 100 V.

Also, ensure that your monitor and attached devices are electrically rated to operate with

the AC power available in your location.

• Before working inside the computer, unplug the computer to help prevent electric shock

or system board damage. Certain system board components continue to receive power

any time the computer is connected to AC power.

System Information Guide 9

When Working Inside Your Computer

Before you open the computer cover, perform the following steps in the sequence indicated.

CAUTION: Do not attempt to service the computer yourself, except as explained in

your online Dell™ documentation or in instructions otherwise provided to you by

Dell. Always follow installation and service instructions closely.

NOTICE: To help avoid possible damage to the system board, wait 5 seconds after turning off the

computer before removing a component from the system board or disconnecting a device from the

computer.

1Perform an orderly computer shutdown using the operating system menu.

2Turn off your computer and any devices connected to the computer.

3Ground yourself by touching an unpainted metal surface on the chassis, such as the metal

around the card-slot openings at the back of the computer, before touching anything

inside your computer.

While you work, periodically touch an unpainted metal surface on the computer chassis

to dissipate any static electricity that might harm internal components.

4Disconnect your computer and devices, including the monitor, from their electrical

outlets. Also, disconnect any telephone or telecommunication lines from the computer.

Doing so reduces the potential for personal injury or shock.

In addition, take note of these safety guidelines when appropriate:

• When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the

cable itself. Some cables have a connector with locking tabs; if you are disconnecting this

type of cable, press in on the locking tabs before disconnecting the cable. As you pull

connectors apart, keep them evenly aligned to avoid bending any connector pins. Also,

before you connect a cable, ensure that both connectors are correctly oriented and

aligned.

When Using Your Computer (continued)

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