IBM ThinkPad 755CX Manual de usuario

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Note

Before using this information and the product it supports, be sure to read the general information under

Appendix E, “Product Warranties and Notices” on page 255.

First Edition (March 1995)

The following paragraph does not apply to the United Kingdom or any country where such provisions are

inconsistent with local law:

INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY

WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE LIMITED

WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow

disclaimer or express or implied warranties in certain transactions, therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the

information herein; these changes will be incorporated in new editions of the publication. IBM may make

improvements or changes in the products and the programs described in this publication at any time.

It is possible that this publication may contain references to, or information about, IBM products (machines and

programs), programming, or services that are not announced in your country. Such references or information must not

be construed to mean that IBM intends to announce such IBM products, programming, or services in your country.

Requests for technical information about IBM products should be made to your IBM authorized dealer or your IBM

marketing representative.

IBM may have patents or pending patent applications covering subject matter in this document. The furnishing of this

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Director of Licensing, IBM Corporation, 500 Columbus Avenue, Thornwood, NY 10594, U.S.A.

Users – Documentation related to restricted rights – Use, duplication or disclosure is subject to restrictions set forth in

GSA ADP Schedule Contract with IBM Corp.

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Thank You for Selecting

an IBM ThinkPad 755CX Computer

The IBM ThinkPad 755CX

is one of the most advanced and versatile notebook computers.

With such innovative features as audio, telephony,

infrared ports, a long-life battery,

and a brilliant color display,

the ThinkPad 755CX will satisfy

all of your mobile computing needs.

iii

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Distinctive System Features

Config

Restart

TrackPoint III

TFT Color LCD Screen

Security Features

Fn Key Function

Power Management

ThinkPad Features

Program

PCMCIA Support

Long-Life Battery Pack

Easy-Setup

Mwave DSP Audio, Telephony, and

Data/Fax Modem Features

Thinkpad Features

Infrared Communication

Support

iv IBM ThinkPad 755CX User's Guide

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1Mwave DSP audio, telephony, and fax/modem features

The ThinkPad Mwave digital signal processor (DSP) provides high-quality audio, telephony and modem/fax

functions. With a built-in speaker and a microphone, they complete your multimedia computing solution.

(See page 75.)

Note: In some countries, the Mwave telephony functions are available only after the DAA/Telephony Kit

option is installed.

2Infrared communication support

Two infrared ports supplied with your computer make wireless serial communication possible.

(See page 72.)

3ThinkPad Features program

The ThinkPad Features program allows you to set various parameters either with a graphical user interface

or with commands. (See page 35.)

4 Power management

Power management sets the computer to different modes to save battery power when you are not using the

computer. It also provides a resume function, which quickly returns you to your previous operation. (See

page 50.)

5 Security features

The computer provides security passwords for the computer and hard disk drive. Lock security and a

personalization utility are also provided. (See Chapter 5.)

6Fn key function

The combination of this Fn key and a function key controls display modes, battery power-saving modes, or

other functions. (See page 48.)

7TFT color LCD screen

A brilliant TFT color LCD screen supports 65536 colors with the following display resolution for each model:

The 755CX SVGA model supports SVGA (800-by-600 resolution) video mode besides VGA (640-by-480)

mode.

The 755CX VGA model supports VGA (640-by-480) mode.

8 Easy-Setup

The built-in system programs in Easy-Setup makes the basic setup of your computer easy.

(See page 42.)

9 TrackPoint III

With TrackPoint III, pointing, selecting, and dragging all become part of a single process without your lifting

your hands from the keyboard. (See page 23.)

1 PCMCIA** support

The computer provides two Personal Computer Memory Card Association (PCMCIA) slots. PCMCIA

software is also provided, so that you can use PC Card** more easily and conveniently. (See page 61.)

11 Long-life battery pack

The operating time of the computer is extended with the long-life battery pack.

(See page 20.)

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vi IBM ThinkPad 755CX User's Guide

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About This Book

This

User's Guide

contains information that will help you operate the

IBM ThinkPad 755CX computer (hereafter called

755CX

computer

Chapter 1, “Getting Started,” describes the Product Map and

explains how to set up your computer.

Chapter 2, “Getting Familiar with Your Computer,” acquaints you

with additional features of your computer.

Chapter 3, “Operating Your Computer,” explains how to use the

various features of your computer.

Chapter 4, “Using Battery Power,” provides battery information

and describes how to operate your computer with the battery pack.

Chapter 5, “Protecting Your Computer,” provides information on

how you can secure your computer and internal devices against

unauthorized use.

Chapter 6, “Installing and Removing Options,” describes how to

install or remove IBM options.

Chapter 7, “Installing Software,” explains how to install operating

systems, device drivers, and other support software.

Chapter 8, “Solving Computer Problems,” describes what to do if

you detect a problem.

Appendix A, “Avoiding Hardware Conflicts,” describes how you

can avoid problems when you add or remove options.

Appendix B, “Advanced Information for PC Cards,” provides

advanced technical information when using PC Cards.

Appendix C, “Additional Information for Mwave DSP Features,”

provides technical information about the ThinkPad Mwave DSP

functions, audio, and telephony.

Appendix D, “Features and Specifications,” describes the

features and specifications associated with your computer.

Appendix E, “Product Warranties and Notices,” contains the

warranty statements of your computer and notices for this book.

“Glossary,” includes terms appearing in this

User's Guide

and their

definitions.

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Information Notices

This

User's Guide

contains notices that relate to specific information or text.

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Warning:

Indicates possible damage

to programs, devices,

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before the related instruction

or situation in which possible

damage could occur.

Indicates situations that

are potentially hazardous

to you. It appears in text

before the instruction or

situation that could be

hazardous.

Indicates situations that

are potentially lethal or

extremely hazardous to you.

It is indicated by the

symbol and appears

in text before the instruction

or situation that could be

dangerous.

Treatment of Icons

This

User's Guide

contains the following icons (symbols) representing procedures or information unique

to the operating system installed in your computer, or pointing you to other information.

OS/2 Information for IBM Operating

System/2 (OS/2) users. DOS Information for DOS users.

WIN Information for Microsoft**

Windows** users. Where to go for other information.

viii IBM ThinkPad 755CX User's Guide

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Electrical Safety Notice

DANGER:

The power cord must be used with a properly grounded outlet.

Electrical current from power, telephone, and communication

cable is hazardous. To avoid shock hazard, connect and

disconnect cables as shown below when installing, moving, or

opening the covers of this product or attached the devices.

Turn everything OFF.

First, attach all cables to devices. First, remove the power cord from

the outlet.

Attach the signal cables to

receptacles.

Remove signal cables from

receptacles.

Attach the power cord to an outlet.

Remove all cables from devices.

Turn the device ON.

Note: In the U.K., by law, the

telephone line cable must be

connected after the power cord.

Note: In the U.K., by law, the

power cord must be disconnected

after the telephone line cable.

To Connect To Disconnect

About This Book ix

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CAUTION:

Do not disassemble, incinerate, or short-circuit the rechargeable

battery pack. Do not put it in refuse that is disposed of in

landfills. Dispose of it as required by local ordinances or

regulations.

CAUTION:

The lithium battery (IBM P/N 84G6426, UL** recognized

component—File No. MH12210), attached by the speaker under

the keyboard can be replaced only by your IBM authorized

reseller or IBM marketing representative. It contains lithium and

can explode if not properly used, handled, or disposed of. Do

not: (1) throw or immerse into water, (2) heat to more than

100°C (212°F), or (3) repair or disassemble. Dispose of it as

required by local ordinances or regulations.

CAUTION:

The nickel metal hydride rechargeable battery attached under

the diskette drive, can be replaced only by your IBM authorized

reseller or IBM marketing representative. Do not disassemble,

incinerate, or short-circuit it. The battery can cause burns or

release toxic chemicals. Do not put it in refuse that is disposed

of in landfills. Dispose of it as required by local ordinances and

regulations.

CAUTION:

The fluorescent lamp in the liquid crystal display (LCD) contains

mercury. Do not put it in refuse that is disposed of in landfills.

Dispose of it as required by local ordinances or regulations.

The LCD is made of glass, and rough handling or dropping the

computer can cause the LCD to break. If the LCD breaks and

the internal fluid gets into your eyes or on your hands,

immediately wash the affected areas with water for at least 15

minutes; then get medical care if any symptoms are present

after washing.

xIBM ThinkPad 755CX User's Guide

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