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3000
User Manual
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Texas Instruments 3000 User Manual

TEXAS
INSTRUMENTS
TravelMate 3000
Notebook Computer
User’s Manual

Contents

Preface.......................................................................................................................... v
1 Taking a First Look
Learning About Software........................................................................................................1-10
2 Learning About Your Computer
Keyboard Keys....................................................................................................................... 2-10
Indicator Lights......................................................................................................................2-19
3 Getting Started
Starting Your Computer......................................................................................................... 3-13
Restarting the Computer.........................................................................................................3-14
Using the Floppy Drive ..........................................................................................................3-15
Help Displays ........................................................................................................................ 3-18
ii Table of Contents
4 Customizing Your Computer
User Features, Page 2............................................................................................................. 4-11
External Communications, Page 3.......................................................................................... 4-18
5 Installing and Using Application Programs
Contents
6 TravelMate 3000 Options
Numeric Keypad........................................................................................................6-2
RAM Modules ...........................................................................................................6-3
Internal Modem ......................................................................................................... 6-8
80387SX Coprocessor................................................................................................ 6-9
Other Options .......................................................................................................... 6-10
7 Taking Care of Your Computer
Do's and Don'ts.......................................................................................................... 7-2
Cleaning the TravelMate 3000................................................................................... 7-3
Conserving Battery Power..........................................................................................7-4
Care and Handling of the Battery............................................................................... 7-5
Appendixes
Specifications............................................................................................................ A-1
Character Sets ............................................................................................................B-1
Keyboard Layouts ......................................................................................................C-1
Diagnostics............................................................................................................... D-1
Troubleshooting......................................................................................................... E-1
Connector Pin Assignments ...................................................................................... G-1
Screen Standards....................................................................................................... H-1
Glossary
Index
Getting Support for Your TI Product
Warranty and Service
Repair Request Form
Table of Contents iii

Copyright 1991 Texas Instruments Incorporated

All Rights Reserved - Printed in U.S.A
TravelMate 3000 Notebook Computer User's Manual Part No. 2566946-0001 Original Issue: October 1990 Revision C: September 1991
Changes may be made periodically to the information in this publication. Such changes will be incorporated in new editions of this manual.
Record the serial number, purchase date, and model number in the spaces provided below. The serial number and model number are recorded on the label affixed to the case. All correspondence concerning your unit should include the serial number, model number, and date of purchase.
TravelMate 3000 Notebook Computer:
Serial Number: Purchase Date:
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of Texas Instruments Incorporated.
The equipment, as well as the programs that TI has created to use with them, are tools that can help people better manage the information used in their business. But tools including TI products-cannot replace sound judgment nor make the manager's business decisions.
Consequently, TI cannot warrant that its products are suitable for any specific customer application. The manager must rely on judgment of what is best for Ms or her business.
TravelMate and BatteryPro are trademarks of Texas Instruments Incorporated. BitCom and BitFax are trademarks of
BIT Software, Inc. Hayes is a registered trademark and SmartModem 2400 is a trademark of Hayes Microcomputer Products Inc. IBM, PC, XT, OS/2, AT, and PS/2 are trademarks of International Business Machines Corporation. INSTALL program is copyrighted by Knowledge Dynamics Corp. Intel, 386, and 387 are trademarks of Intel Corporation. LapLink and Battery Watch are registered trademarks of Traveling Software, Inc. Lotus is a trademark of Lotus Development Corporation. Microcom is a trademark and MNP is a registered trademark of Microcom, Inc. Microsoft, GW-BASIC, and MS-DOS are registered trademarks and Windows is a trademark of Microsoft
Corporation.

Preface

Your new Texas Instruments TravelMateTM 3000 Notebook Computer is a lightweight, full-function computer with the features and power of many desktop personal computers. The TravelMate 3000 has a standard 20-megabyte (MB) or optional 40-MB internal hard disk drive, an 80386TMSX microprocessor, factory-installed MS-DOS ® version 4.01. Several options, some of which are described in Chapter 6, are available to make your TravelMate 3000 more powerful and more useful for your particular applications.
Note: Your TravelMate 3000 Computer’s hard disk drive is already formatted and loaded with MS-DOS 4.01, GW-BASIC ®, BatteryProTM power-conservation utilities, Laptop Manager, Laptop File Manager, diagnostics, and other useful programs. Therefore, do not format the hard disk (drive C) or you will delete these programs. Any data you have entered into the computer will be lost forever if you reformat the hard disk­unless you have backed up the data on floppy diskettes. However, the aforementioned programs also are stored on the 3.5-inch floppy diskettes furnished with your new computer so that you can restore the programs to the hard disk if necessary. See 'Restoring MS-DOS System Files" in Appendix E for instructions.
Your TravelMate 3000 accepts a variety of options, including:
q 2400-bps Internal Modem with send-fax capabilities q 80387TMSX Math Coprocessor q Internal RAM Modules q External monitors q Numeric Keypad q Deluxe carrying case q External printers
All these options are available from Texas Instruments. Contact your dealer or telephone TI-Express, 1-800-TI PARTS.
v
Preface
Unpacking
When you open the container in which your computer is packed, you should find the following items:
q TravelMate 3000 Notebook Computer
q AC Adapter and detachable wall receptacle cord
q Two tilt legs that insert into the bottom rear corners of the unit to
increase the keyboard angle
q This user's manual and the MS-DOS User’s Manual
q Three 3.5-inch floppies with MS-DOS, version 4.01 and one 3.5-inch
floppy for use with the MS-DOS Select Copy program
q BatteryPro & Productivity Software User's Manual and one 3.5-inch
floppy plus two floppies with external analog monitor utilities
q Two function key template strips
If any of the above items are missing, contact your Texas Instruments dealer.
Conventions and Symbols
Throughout this manual, the following conventions are used to distinguish elements of text:
SMALL CAPS Used for directory names, commands, command
options, switches, and literal portions of syntax that must appear exactly as shown
vi
italics Used to denote Setup Program items and settings, key
Monospace Used for prompts and menus that display during
Bold Used for keys, key sequences, and drive designator
Several international symbols are used throughout this manual to advise you of important information.
continued on the next page.
Preface
words, and references to other publications
operation of your computer, including prompts (text generated by the computer) and entries you are supposed to type on the keyboard
prompts
This symbol indicates a Note concerning operating procedures or information you should know to help you operate your TravelMate 3000.
This symbol alerts you to a Warning or Caution that can prevent you from causing injury to yourself or damage to your equipment.
This symbol tells you that more information about the same subject is
About this Manual
This manual describes the operation of your Texas Instruments TravelMate 3000 Notebook Computer. We have tried to design this manual so that you can locate information quickly and easily. Each chapter begins with a title page that lists the major sections in the chapter and a table of contents.
vii
Preface
Keyboard keys are listed several ways in this manual, depending on the number of keys you must press to produce a character or function. For example, some key fronts on the keyboard are labeled with blue to indicate their use only in conjunction with the Fn key. The text refers to these keys according to their function, preceded by the additional key you must also press. Your application programs may use various other key combinations; refer to your application program documentation for specific information.
The word floppy is used in this manual to refer to diskettes, microdiskettes, disks, and other terms commonly used to describe a removable, nonvolatile, magnetic-media diskette. The words disk and diskette are used in direct quotations, for example, in describing a displayed error message, Setup Program menu, and like items.
Contents of this Manual
Here is an overview of what to expect in each chapter:
Chapter 1 - Taking A First Look gives users who are not familiar with computers some basic information about the parts of a computer, the software it uses, and a brief overview of the TravelMate 3000 and its options. Experienced users may only need to skim this chapter.
Chapter 2 - Learning More About Your Computer describes specific TravelMate 3000 hardware features and explains their functions.
viii
Chapter 3 - Getting Started lists recommended operating and storage environments and tells you how to connect the AC Adapter, how to care for the battery pack, and how to start and restart your TravelMate 3000.
Chapter 4 - Customizing Your Computer describes how to use the Setup Program to customize your TravelMate 3000 for your working environment.
Preface
Chapter 5 - Installing and Using Application Programs briefly describes guidelines for
installing your own application programs plus some of the software installed at the factory in your TravelMate 3000, including the BatteryPro, Laptop Manager, and password utilities.
Chapter 6 - TravelMate 3000 Options describes several options that can enhance the performance of your TravelMate 3000-Numeric Keypad, RAM Modules, Internal Modem, 80387SX Coprocessor, external CRT monitors, and printers.
Chapter 7- Taking Care of Your Computer provides information on cleaning your TravelMate 3000, as well as caring for your battery and conserving battery power.
Appendix A - Specifications lists operating and environmental specifications for your TravelMate 3000.
Appendix B - Character Sets Illustrates U.S. and international character sets used by the TravelMate 3000.
Appendix C - Keyboard Layouts illustrates the characters generated by the U.S. and other national keyboards.
Appendix D - Diagnostics describes the diagnostic routines you can run to ensure that your TravelMate 3000 is functioning properly.
Appendix E - Troubleshooting describes problems that can occur with your TravelMate 3000 and what to do about them, plus how to restore MS-DOS system files to your hard disk in case they are erased for some reason.
Appendix F - Configuring Memory describes the TravelMate 3000's standard memory and the memory options available for the computer.
ix
Preface
Appendix G - Connector Pin Assignments lists the signals produced by the connectors
provided on the TravelMate 3000.
Appendix H - Screen Standards lists the characteristics of the various display adapters supported by the TravelMate 3000.
A Glossary of frequently used technical terms and an
Index are included near the back of the manual to help you.
Warranty and Service at the back of the manual describes the standard warranty and
outlines the procedure to follow if your TravelMate 3000 ever requires service.
Other Manuals About the TravelMate 3000
The following manuals are furnished with your new TravelMate 3000 to help you operate your computer.
Title Part Number
BatteryPro & Productivity Software 2566930-0001
User's Manual
MS-DOS User's Manual 2566932-0001
x

Taking A First Look

This chapter tells you about:
q Computer hardware such as the main circuit board, the display, and the
keyboard
q Hardware options available for your TravelMate 3000 Notebook
Computer
q Software operating systems and application programs
Contents
Learning About Hardware .......................................................................................... 1-2
System Board...................................................................................................... 1-3
Microprocessor.................................................................................................... 1-3
RAM ..............................................................................................................1-4
ROM ..............................................................................................................1-4
Keyboard............................................................................................................. 1-4
LCD Screen ........................................................................................................1-4
Ports and Connectors...........................................................................................1-5
Hard Disk............................................................................................................1-5
Hard Disk Formatting ......................................................................................... 1-6
Floppy Diskette Drive..........................................................................................1-6
Learning About Options............................................................................................. 1-7
RAM Modules..................................................................................................... 1-7
Internal Modem ..................................................................................................1-7
Numeric Keypad ................................................................................................. 1-8
Extra Internal Battery Pack ................................................................................. 1-8
80387SX 20-MHz Math Coprocessor..................................................................1-8
Cables ..............................................................................................................1-8
Printers ..............................................................................................................1-9
External Monitors...............................................................................................1-9
Mouse .............................................................................................................. 1-9
Learning About Software ......................................................................................... 1-10
1
Taking a First Look 1-1
Learning About Hardware
The standard Texas Instruments TravelMate 3000 Notebook Computer looks like this when it is closed.
The standard TravelMate 3000 looks like this when it is set up and ready to operate.
1-2 Taking a First Look
If you are already familiar with the main components of a computer, you may want to skim the remainder of this chapter and skip ahead to Chapter 2 to learn more about your new TravelMate 3000's standard hardware and available options. Otherwise, please continue on.
Learning About Hardware
The TravelMate 3000's standard hardware consists of a system circuit board, a keyboard, an LCD (liquid crystal display) screen, a hard disk drive, a 3.5-inch floppy diskette drive, serial and parallel I/O (input/output) ports, mouse port, and other electronic circuits needed to control the display and external options.
System Board
The system board holds the integrated circuits that make up the microprocessor and memory. The system board also contains the hardware that controls the screen and keyboard. The optional RAM modules, optional Internal Modem, and optional 80387SX Math Coprocessor all plug into the system board.
Microprocessor
The microprocessor is the 'brain" of the computer. It processes data-or information-at speeds so fast, its performance is measured in millionths of a second. The microprocessor handles information in binary code, using the digit 0 or 1. Any piece of information (for example, a number or character) is represented by a string of 0's and l's.
For example, the number 23 in binary code is 10111. A 0 or 1 in the binary system is referred to as a bit, the smallest piece of information handled by the processor. A byte is a group of eight bits, and represents a single character or number, such as "H" or "9". The microprocessor in the TravelMate 3000 is a high-speed 80386SX microprocessor, running at a clock speed of up to 20 MHz.
Taking a First Look 1-3
Learning About Hardware
RAM
RAM (random access memory) stores data and application software for the processor. You can write to or read from RAM freely, but once the power is turned off, the data in RAM is lost. RAM size is described by the amount of information (bytes) it can store. Symbols often used for this are "K" and "M". One K byte (1 K byte) represents 1024 bytes and one M byte (1 M byte) represents 1024 K bytes. K bytes and M bytes are shown in this manual as KB and MB, respectively.
The TravelMate 3000 has a standard RAM size of 2 MB. This can be increased up to 6 MB by installing up to two optional RAM modules.
ROM
ROM (read-only memory) contains factory-programmed information that remains stored even with the power switch turned off. You cannot change the contents of ROM. The TravelMate 3000 ROM, sometimes called firmware, is used to store the IPL (initial program loader), BIOS (basic input/output system), and Setup Program functions.
Keyboard
You communicate with a computer by typing on the keyboard. Many of the keys work like those on a standard typewriter. However, some keys have special functions not available on a typewriter. The TravelMate 3000 keyboard is modeled after the IBM ® 101/102-key enhanced keyboard layout.
1-4 Taking a First Look
LCD Screen
The LCD (liquid crystal display) screen acts as a window for the computer to send information for you to view. Information you enter on the keyboard, or information read from the hard disk or a floppy, or sent via a modem, is displayed on the screen.
Learning About Hardware
The TravelMate 3000's LCD screen can be set to emulate industry-standard display modes, including the VGA (video graphics array) mode used by IBM in its latest PS/2 series of personal computers. The screen displays colors as various shades of gray. The illuminated, triple supertwist, LCD screen gives you maximum readability in all lighting conditions with a true black-on-white display. Screen standards are summarized in Appendix H of this manual.
TM
Ports and Connectors
The parallel port (connector) is used to connect a parallel printer, and the RS-232C serial port is used to connect an external modem, a serial printer, or other device that uses a serial connector. The TravelMate 3000 also provides a 15pin connector for an external analog monitor.
An external mouse connector on the left side of the case accepts an IBM PS/2 or compatible mouse connector.
Hard Disk
The built-in hard disk is a permanently installed magnetic disk. Information is read from and written to both sides of the disk at extremely high speeds by heads that float above the disk surface on a cushion of air. When the disk is not actually being used, these heads automatically 'park" themselves out of the way to prevent the disk surface from being damaged by head movement.
The TravelMate 3000's standard hard disk can store up to 20 MB of information-the equivalent of about 14 high-density floppies-and can write and read data very quickly. This makes the hard disk the best place to store the programs you use most frequently.
Taking a First Look 1-5
Learning About Hardware
Hard Disk Formatting
The hard disk consists of a platter that is divided into cylinders. A cylinder is a collection of tracks in the same position on different sides of the hard disk platters.
The tracks of each cylinder are further divided into sectors. Each sector is numbered and holds 512 bytes of data. The computer locates data on the disk by looking for its sector number.
The hard disk in the TravelMate 3000 is formatted and loaded with software by Texas Instruments during manufacture. Do not format the hard disk.
Caution: If you format the hard disk, all data on the hard disk will be erased.
Floppy Diskette Drive
A floppy diskette is a magnetic device that stores information created on a computer. Once data is stored on a floppy, as diskettes are called in this manual, you can access the data whenever necessary, or you can replace the old data with new when you no longer need the old data.
1-6 Taking a First Look
During operation, the floppy rotates inside its plastic casing. As it rotates, the read/write head of the drive moves from one track to another, locating information or finding space available to store new information.
Learning About Option
You can enhance the performance of a standard TravelMate 3000 with the addition of hardware options available from Texas Instruments. These options enable you to send and receive data over telephone lines, increase memory, enter numeric data more easily, and add several other features.
The following hardware options are available rom your Texas Instruments dealer or TI­Express, 1-800-TI-PARTS. See Chapter 6 for more information on most of these options.
RAM Modules
Your TravelMate 3000 comes with 2 MB of standard RAM. You can increase this capacity to 4 MB by installing an optional RAM Module Kit (TI Part No. 2566996-0001). You can further increase memory by adding additional RAM Module Kits to increase RAM to a total of 6 MB.
The memory on the optional RAM can be used as Extended memory or as Expanded memory, conforming to version 4.0 of the LotusTM/IntelTM/Microsoft ® Expanded Memory Specifications. See Chapter 4 for Setup Program instructions and Appendix F for information on Expanded and Extended memory.
Internal Modem
Installing the 2400-bps Internal Modem option (TI Part No. 2566941-0003) with fax­sending and MNP ® Class 5 error-correcting capabilities in your TravelMate 3000 enables you to send data and facsimile (fax) information over standard telephone lines.
Note: The Internal Modem option may not be available in some countries. For information on this option, contact your dealer.
Taking a First Look 1-7
Learning About Options
Numeric Keypad
The Numeric Keypad option (TI Part No. 2568033-0001) connects to the right side of the TravelMate 3000 case, enabling you to more easily type numeric data. The Numeric Keypad layout is similar to the keypad on a full-sized IBM enhanced ATTM keyboard.
Extra Internal Battery Pack
With an extra internal battery pack (TI Part No. 2566962-0001) you can double the time you can operate your computer on battery power. You can charge the extra battery in the computer.
80387SX 20-MHz Math Coprocessor
Adding the 80387SX Coprocessor option (TI Part No. 2566997-0001) to the TravelMate 3000 system board significantly improves processing performance of application programs that support a math coprocessor.
Note: Use only the TravelMate 3000 Coprocessor option or equivalent. Some coprocessors exceed the computer's power capacity.
1-8 Taking a First Look
Cables
You can order a parallel printer cable (TI Part No. 25518040001) or a serial interface cable (TI Part No. 2557455-0001) for use with your computer. Pin assignments for both cables are listed in Appendix G of this manual.
You also can order a LapLink ® cable and User's Manual (TI Part No. 2567016-000 1) to connect your TravelMate 3000 to another compatible computer. The LapLink software is furnished with your TravelMate 3000.
Learning About Options
Printers
Texas Instruments makes a variety of laser and impact printers you can use with the TravelMate 3000, enabling you to a produce hard copy of information you have created. You can connect almost any parallel printer to the TravelMate 3000 parallel printer port or serial printer to the serial port.
External Monitors
Your TravelMate 3000 has a CRT connector to which you can connect an external, analog CRT monitor. See Chapter 6 for a list of monitor types supported by the TravelMate
3000.
Mouse
You can connect an IBM PS/2 (or compatible) mouse to the furnished mouse adapter cable with ferrite, which connects to the six-pin mini-DIN connector on the left side panel of the computer.
Taking a First Look 1-9
Learning About Software
A computer system needs software before it can carry out any useful task. Without software, your computer is just a Collection of electrical components. In order to use computer hardware for tasks like writing memos or balancing a checking account, software is necessary.
Software is a series of instructions that direct the computer to perform specific tasks. Generally, these instructions are loaded from a floppy diskette or your hard disk into main memory where they remain until you exit the software program or turn off the computer.
Your computer needs three levels of software to function-an input/output system, an operating system, and an application program.
q The BIOS (basic input/output system) is stored in ROM on the system
board. The BIOS controls the input/output functions of the hardware itself, according to information received from the operating system or software program, also known as BIOS calls.
q The operating system is a software program that manages the computer's
resources, such as disk drives and printers. By performing these general routines, the operating system is the base on which application programs run. The operating system for this computer is MS-DOS, version 4.01, and is provided with some diskettes.
1-10 Taking a First Look
q An application program is software that helps you perform business and
personal tasks such as word processing, spreadsheet analyses, and graphics presentations. Almost all application programs written to run under MS-DOS on IBM and compatible personal computers can be used with the TravelMate 3000 Notebook Computer.

Learning About Your Computer

This chapter tells you about:
q The Texas Instruments TravelMate 3000 Notebook Computer LCD
screen and how to adjust it
q Ports and connectors on the side panels of the computer case
q The keyboard and common key assignments
q The status indicator lights and their meaning
Contents
LCD Screen 2-3
Resolution........................................................................................................... 2-3
Screen Angle....................................................................................................... 2-3
Screen Controls ................................................................................................... 2-4
Brightness Control ....................................................................................... 2-4
Contrast Control........................................................................................... 2-4
Standard/Reverse Switch.............................................................................. 2-5
Connectors and Ports ................................................................................................. 2-6
Right Side Panel..................................................................................................2-6
Left Side Panel....................................................................................................2-6
Parallel (Printer) Port...................................................................................2-7
External Monitor Connector.........................................................................2-7
Mouse Connector .........................................................................................2-7
Modem Connector........................................................................................2-7
Serial (RS-232-C) Port ................................................................................. 2-7
Rear Panel........................................................................................................... 2-8
AC Adapter Jack..........................................................................................2-8
Expansion Bus Connector.............................................................................2-8
Bottom Panel.......................................................................................................2-9
Operator Panel....................................................................................................2-9
Power Switch ...............................................................................................2-9
Option Card Slot Cover................................................................................ 2-9
2
Learning About Your Computer 2-1
Contents
Keyboard Keys.................................................................................................. 2-10
Color Coded Keys....................................................................................... 2-10
Function Keys ............................................................................................ 2-10
Enter.......................................................................................................... 2-11
Shift........................................................................................................... 2-11
Caps Lock .................................................................................................. 2-11
Tab ............................................................................................................ 2-11
Backspace .................................................................................................. 2-12
Ctrl ............................................................................................................ 2-12
Alt ............................................................................................................ 2-12
Fn ............................................................................................................ 2-12
SysRq......................................................................................................... 2-12
Prtsc........................................................................................................... 2-12
Cursor Control Keys ................................................................................... 2-13
Esc ............................................................................................................ 2-13
Ins ............................................................................................................ 2-13
Del ............................................................................................................ 2-14
Using the NumLk Key and
the Embedded Numeric Keypad ........................................................... 2-14
Num Lock On............................................................................................. 2-15
Num Lock Off............................................................................................ 2-15
Num Lock Blinking.................................................................................... 2-16
ScrLk ......................................................................................................... 2-16
Pause.......................................................................................................... 2-16
Combination Keys...................................................................................... 2-16
Break ......................................................................................................... 2-17
Set Up........................................................................................................ 2-17
Stndby (Stand By) ...................................................................................... 2-17
Turbo ......................................................................................................... 2-18
Speed Control Keys.................................................................................... 2-18
Palette Control Keys................................................................................... 2-18
Indicator Lights................................................................................................. 2-19
Power......................................................................................................... 2-19
Low Batt (Battery) ...................................................................................... 2-19
Turbo ......................................................................................................... 2-20
Floppy Disk ................................................................................................ 2-20
Hard Disk................................................................................................... 2-20
Caps Lock .................................................................................................. 2-20
Num Lock (Numeric Keypad Lock)............................................................ 2-21
Scroll Lock ................................................................................................. 2-21
2-2 Learning About Your Computer
LCD Screen
Your Texas Instruments TravelMate 3000 Notebook Computer displays text and graphics on a triple supertwist, illuminated, liquid crystal display (LCD) with cold cathode fluorescent tube (CCFT) backlight, giving true black-on-white contrast. The TravelMate 3000 is able to emulate IBM's video graphics array (VGA) by displaying colors as shades of gray.
You can also connect an external monitor to your TravelMate 3000. External monitor display modes are described in Appendix H of this manual.
Resolution
The LCD screen displays a maximum resolution of 640 dots horizontally by 480 dots vertically. Resolution depends on which display mode you select on page 2 of the Setup Program described in Chapter 4. The TravelMate 3000 enables you to select display modes for both the LCD and external monitors.
Screen Angle
You can tilt your TravelMate 3000 combination cover/screen to adjust it to the best viewing angle. Do not attempt to tilt the screen more than approximately 130 degrees: damage to the hinge can result.
Caution: To save battery power, the TravelMate 3000 beeps for about 10 seconds (continuously if OS/2TM is executing) if you happen to close the screen with the power still on. Never transport the TravelMate 3000 with the power on.
The TravelMate 3000 is designed so that it can be used with the cover/screen closed, for example, to connect an external monitor to your computer to run a demonstration program. For this purpose, you can disable the coverclosed alarm by changing a setting in the Setup Program (see Chapter 4).
Learning About Your Computer 2-3
LCD Screen
Screen Controls
The LCD screen is illuminated to enable you to control background brightness and contrast for better readability. The backlight turns on automatically when you turn on the computer.
Note: To conserve battery power and prolong screen life, you can set the backlight to turn off automatically if you do not use the keyboard for a preset time. Set the delay period at the Setup Program menu described in Chapter 4. Press the Shift key (recommended) or almost any other key on the keyboard to turn the backlight on again.
Brightness Control
The Brightness rotary control adjusts the brightness of the illuminated screen. Adjust this control in conjunction with the Contrast control.
Note the index mark on the Brightness control. Set the index mark to the up position for the brightest image, but the highest battery power consumption. Set the index mark facing left for medium brightness and lower power use. Set the index mark facing down for the least battery power consumption.
2-4 Learning About Your Computer
Contrast Control
The Contrast rotary control adjusts the contrast between the displayed image and the background for the best viewing condition. Adjust this control in conjunction with the Brightness control.
The Contrast control does not affect power consumption.
LCD Screen
Standard/Reverse Switch
The screen normally displays black characters on a white background. You can reverse this image to white on black by setting the standard/reverse switch to the q (reverse) position.
Some graphic images may display like a photographic negative on the LCD screen. Reversing the image should correct this effect.
Learning About Your Computer 2-5
Connectors and Ports
Caution: Turn off the computer before connecting any external devices to the computer's connectors.
Right Side Panel
The right side panel of the computer contains the numeric keypad connector to connect the optional Numeric Keypad to your computer.
A dust cap is provided for the numeric keypad connector. Remove and store this cap in a safe place while the connector is in use.
2-6 Learning About Your Computer
Left Side Panel
On the left side panel of the computer are the five connectors shown in the figure on the inside front cover.
Connectors and Ports
Parallel (Printer) Port
You can connect a parallel printer or other device that uses a standard parallel interface to this 25-pin female connector. The cable from the printer or other device must terminate in a 25-pin IBM-PC-style male connector to connect to this port. Pin assignments for this connector are listed in Appendix G.
External Monitor Connector
The TravelMate 3000 can display data on either its built-in LCD screen or on an external analog VGA monitor connected to the 15-pin VGA monitor connector. See Chapter 6 for details on compatible external monitors. Pin assignments for this connector are listed in Appendix G.
Mouse Connector
The mouse port accepts the furnished six-pin mini-DIN mouse adapter cable, which connects to an IBM PS/2-compatible mouse connector for use with application programs that support a mouse. Pin assignments for this connector are listed in Appendix G.
Modem Connector
If your TravelMate 3000 is equipped with the optional Internal Modem, the modular RJ­11-C telephone jack is located on the left side panel next to the mouse connector.
Serial (RS-232C) Port
The RS-232C serial port can be used to connect external devices such as a serial printer, mouse, or an external modem. The cable used to connect to this port must terminate in a nine-pin female IBM AT-style connector. See Appendix G for a list of pin assignments for the serial port.
Learning About Your Computer 2-7
Connectors and Ports
RearPanel
The rear panel of the computer has the expansion bus connector and the AC Adapter jack.
AC Adapter Jack
The AC Adapter mini-DIN jack connects to this jack to recharge the battery and supply ac power to the computer. See Chapter 3 for instructions on charging and conditioning the internal battery pack.
2-8 Learning About Your Computer
Caution: Use only the supplied AC Adapter with your TravelMate 3000 Notebook Computer. Other adapters A may not match the power requirements of the TravelMate 3000 and can cause serious damage to the electronic circuits.
Expansion Bus Connector
The 120-pin expansion bus connector is provided to attach future optional devices to your TravelMate 3000.
Connectors and Ports
Bottom Panel
The bottom panel of the computer provides access to remove and install the supplied internal battery pack. See Chapter 3 for battery pack removal and installation instructions.
Tilt Legs - In the rear corners of the bottom panel are two holes into which you can insert the furnished tilt legs to increase the angle of the keyboard.
Operator Panel
The computer's operator panel has a power switch, an optional card slot cover, the keyboard, and eight status indicator lights. The keyboard and the indicator lights are described in the next section of this chapter.
Power Switch
The power switch turns the power to the computer on and off for both battery-powered and ac operation. Set the switch to the I (on) position to turn on the computer and to the
(off) position to turn off the computer.
Option Card Slot Cover
A cover for the option card slot is located at the rear left corner of the operator panel. The optional Internal Modem card can be installed in this slot. For details, see the instructions furnished with the Internal Modem kit.
Learning About Your Computer 2-9
Keyboard Keys
The TravelMate 3000 keyboard provides all the functions of the IBM AT-101 -style enhanced keyboard. Many keys on the keyboard are similar to those on a standard typewriter, but you may not be familiar with some keys. The following sections describe special function keys not found on a standard typewriter.
Note: MS-DOS and application programs use keys for special purposes not defined here. Refer to your application program documentation and the MS-DOS User’s Manual provided with your TravelMate 3000.
Color Coded Keys
Note that the fronts of some keys (for example, F11, F12, Home, End) are labeled in blue to indicate that these keys work in conjunction with the Fn key to produce their function.
Along the top row of the keyboard are 1 0 function keys labeled F1 through F10. Two additional function keys, labeled in blue as F11 and F12, are available for many applications by pressing them in conjunction with the Fn key.
2-10 Learning About Your Computer
Function Keys
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