Epson Equity LT-286 User Manual
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Epson Equity LT-286 User Manual

Epson portable computer user manual equitytm lttm-286
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Summary of Contents for Epson Equity LT-286

  • Page 1 ® EPSON...
  • Page 2 ® EPSON EQUITY™ LT™-286 User’s Guide Y17499100100...

  • Page 3: Important Notice

    Epson America, Inc. No patent liability is assumed with respect to the use of information contained herein. While every precaution has been taken in the preparation of this publication, Epson America assumes no responsibility for errors or omissions.
  • Page 4 If the interference stops, it is caused by either the peripheral device or its I/O cable. These devices usually require shielded I/O cables. For Epson peripheral devices, you can obtain the proper shielded cable from your dealer. For non-Epson peripheral devices contact the manufacturer or dealer for assistance.

  • Page 5: Table Of Contents

    Contents Introduction ... 1 How To Use This Manual ... 3 Where To Get Help ... 4 Setting Up Your System ... 1-1 1 Unpacking 2 Connecting the AC Adapter ... 1-2 3 Charging the Battery ... 1-3 4 Connecting a Printer ... 1-4 Connecting to the Parallel Interface ...
  • Page 6 Booting From the Hard Disk ... 3-12 Using the Equity LT-286 ....... . . 4 -1 Using the AC Adapter ...
  • Page 7 Using the DISKCOPY Command ... 5-16 Using the COPY Command ... 5-18 Using the BACKUP Command ... 5-20 Deleting Data Using the Epson HELP Utility ... 5-22 Using the Epson MENU Utility ... 5-24 MENU Utility Options ... 5-24 Using the XTREE Utility ... 5-25 Running XTREE ...
  • Page 8 Diskette Problems ... B-5 Hard Disk Problems ... B-6 Power-On Diagnostics ... C-1 System Device Check Clock and CMOS RAM Check RAM Check ... C-2 Keyboard Controller and Keyboard Check ... C-3 Video and Video Controller Check ... C-3 Diskette Drive Seek Check ... C-4 Hard Disk Controller and Hard Disk Check Performing System Diagnostics ...
  • Page 9 Floppy Disk Drive and Controller Check ... D-17 Sequential Seek Check ... D-18 Random Seek Check ... D-18 Write, Read Check ... D-19 Speed Check ... D-19 Disk Change Check Run All Above Checks ... D-20 Math Coprocessor (80287) Check Parallel Port (Printer Interface) Check Serial Port (RS-232C Port) Check ...

  • Page 10: Introduction

    Built-in serial, parallel, and video interfaces. The 80286 microprocessor inside your Equity LT-286 can run at an execution speed of either 12 MHz or 8 MHz. Ordinarily you’ll want to use the 12 MHz speed to get faster performance from your computer.
  • Page 11 The expansion chassis contains two expansion slots, which can accommodate standard 8-bit and 16-bit option cards. Your Equity LT-286 comes with MS-DOS? version 3.3, by Microsoft@’ and the GW-BASIC® programming language. You’ll find reference manuals for both MS-DOS and GW-BASIC packed in the box with the computer.

  • Page 12: How To Use This Manual

    How To Use This Manual This user’s manual explains how to set up and care for your Equity LT-286. It also describes how to use your computer and run diagnostic checks. The eight steps in Chapter 1 explain how to set up your computer and prepare it for use.

  • Page 13: Where To Get Help

    Care Center hotline. We are confident that this policy will provide you with the assistance you need. If you need to find an authorized Epson dealer or Customer Care Center in your area, please call our Consumer Information number at 1-800-922-8911.

  • Page 14: Setting Up Your System

    Chapter 1 Setting Up Your System Setting up your Epson Equity LT-286 portable computer is easy. Just follow the steps in this chapter. They describe how to attach the AC adapter, start MS-DOS, and copy the system diskettes that come with your Equity LT-286.

  • Page 15: Connecting The Ac Adapter

    Two function key templates You’ll also find a registration card with the main unit. Fill out this card now and mail it to Epson. With your registration card on file, Epson can send you update information. Be sure to keep your packing materials. They provide the best protection possible for your computer if you need to ship it later.

  • Page 16: Charging The Battery

    Charging the Battery The Equity LT-286 contains a rechargeable nickel cadmium (NiCad) battery pack that powers the computer when you are not using the AC adapter. Before you use the computer the first time, you must charge the battery.

  • Page 17: Connecting A Printer

    (ports). You can easily connect a printer or plotter that has either type of interface. Just follow the instructions below. Of course, Epson offers a full range of printer products; consult your dealer for more information. Connecting to the Parallel Interface The computer’s Centronics®-compatible parallel interface uses a...
  • Page 18 Open the computer’s interface cover, as shown below. One end of the printer cable has a 25-pin, D-shaped male connector. (See your printer manual if you’re not sure which end this is.) Connect this end to the parallel connector on the back panel of the computer, as shown below.
  • Page 19 Note you plan to use an Equity LT-286, you must connect the external drive to the parallel interface, Therefore, you cannot have both a parallel printer and the diskette drive connected at the same time. If you’re using an external 5 1/4-inch diskette drive, you need to...

  • Page 20: Connecting To The Serial Interface

    (RS-232C) interface on the back of the computer. The Equity LT-286 uses a 9-pin, D-shaped male connector, so be sure you have a compatible cable or an adapting cable that converts the 9-pin output to the standard 25-pin output. To connect a serial device, follow the steps above for connecting a parallel device.

  • Page 21: Setting The Dip Switches

    For instructions on connecting an external diskette drive, see the instructions that came with the drive you purchased. If you connect either of these devices to your Equity LT-286, be sure to set the computer’s DIP switches correctly before using the computer.

  • Page 22: Keyboard Dip Switches

    Keyboard DIP Switches The DIP switches above the keyboard are numbered 1 through 4. To access these switches, lift the panel above the keyboard by pressing inward on both sides of the cover as you lift it up: The system functions controlled by the keyboard DIP switches, shown below, are listed in Table l-l.
  • Page 23 LCD screen. In mode 0, everything is displayed in black and white. For most of your work with the Equity LT-286, you probably want to use mode 0. In modes 1 and 2, information that appears in color on a color monitor appears in various shades of gray on your LCD screen.
  • Page 24 Table 1-2: Gray-scale mocks 1 and 2 Color Mode 1 gray tone Black Blue Green Cyan Magenta Brown White Gray Light blue Light green Light cyan Light red Light magenta Yellow Bright white Note: 0 is the darkest gray tone; 7 is the lightest Mode 3 is user-defined.

  • Page 25: Back Panel Dip Switches

    Back Panel DIP Switches The second set of DIP switches is located near the middle of the back panel. These switches are numbered 1 through 6. To access these switches, open the back panel of the computer as shown below. The system functions controlled by these switches are listed in Table 1-3 and described below.
  • Page 26 (COM2). If this switch is off, MS-DOS recognizes this connector as COM1; if it is on, MS-DOS recognizes it as COM2. If you have not installed an internal modem in your Equity LT-286, you probably want to leave switch 3 off. If you have installed an internal modem, and you want the modem’s own serial port to be...

  • Page 27: Inserting The Startup/Operating 1 Diskette

    Switch 5, enable or disable internal display controller-If you have attached an optional expansion chassis and you are using an external video controller card (such as an Enhanced Graphics Adapter) in the expansion chassis, set this switch off. Otherwise, set it on. Switch 6, external monitor type-Switch 6 is important only if you are using an external monitor attached to a video controller card in an expansion chassis and you have set switch 5 off.

  • Page 28: Starting The System

    Starting the System After you have completed steps 1 through 6, you’re ready to turn on the power and start using your Equity LT-286 computer. But before you turn it on, read the following safety rules to avoid accidentally damaging your computer or injuring yourself: Do not attempt to dismantle any part of the computer.

  • Page 29: Turning On The Computer

    Turning On the Computer After you have charged the battery (by connecting the AC adapter to the computer) for at least five minutes, you can turn on your computer. Be sure to leave the AC adapter connected while you use the computer for the first time.

  • Page 30: Adjusting Screen Contrast And Brightness

    Power/Speed indicator above the keyboard lights up, and after a few seconds the computer begins to perform an internal self test. This is a diagnostic program the computer runs whenever you turn it on. The power-on self test checks the RAM (random access memory), keyboard, system board, and peripherals before the computer begins normal operation.

  • Page 31: Initial Screen Display

    Initial Screen Display After the computer completes its self test, a message tells you how much random access memory (RAM) is available: 000640 The computer then boots (starts up) the MS-DOS operating system. The screen displays a date prompt similar to this: Current date is Sat 09-03-88 Enter new date (mm-dd-yy):...

  • Page 32: Copying System Diskettes

    load MS-DOS, complete an MS-DOS application program. Note Note Your computer is designed to conserve energy screen when there is no activity at the keyboard for a certain screen when there is no activity at the keyboard for a certain time.
  • Page 33 Drive A already contains the diskette you want to copy (the source diskette), so just press any key. The DISKCOPY program copies most of the files on the diskette to the computer’s memory. (Because the 720KB MS-DOS diskette holds more data than fits in the computer’s 640KB of memory, the computer must copy the diskette in two passes.
  • Page 34 Remove the Startup/Operating 1 diskette from drive A and insert the target diskette in the drive, then press any key. The program copies the remaining files from the computer’s memory to the target diskette. When the copy is complete, you see this prompt: Copy another diskette (Y/N)? Press Y so you can make a copy of the Operating 2 diskette.

  • Page 35: Running The Setup Program

    Chapter 2 Running the Setup Program If this is the first time your Equity LT-286 has been used, you need to run the setup program on the Reference diskette to give the computer information about the way it is set up. This is a simple procedure that you must do at least once.

  • Page 36: Starting The Setup Program

    SETUP Utility version 4.00 Lsaloct function, Enter exit program Running the Setup Program Enter and then press Setup Copyright (c) SEIKO EPSON CORP. 1988 Coprocessor Mass storage Backlight period Gray scale twice to respond Enter. The setup main...

  • Page 37: Memory

    Memory The setup program assumes that your Equity LT-286 is equipped with 640KB of main memory and no expansion memory. If this information is correct, you do not need to make any changes to the portion of the setup program.

  • Page 38: Display

    To change the main memory setting, highlight Enter one or more times until the correct value appears. To change the expansion memory setting, highlight Then press the + key (either the gray + on the right side of the keyboard or the white + next to the backspace key) until the correct value appears.
  • Page 39 The following menu appears: * Special options * Color/graph. Monochrome 80 col-In this mode, the Equity LT-286 40 col-In this mode, the Equity LT-286 col-Choose this setting only if you have a Running the Setup Program Color/graph.

  • Page 40: Coprocessor

    Special options-Ch EGA (Enhanced Graphics Adapter) or VGA (Video Graphics Array) display adapter in an expansion chassis and you want the computer’s initial display to appear on the monitor connected to that adapter. To select a display option, highlight the option and press Then highlight SAVE SETTINGS and press setup menu reappears.

  • Page 41: Mass Storage

    Mass Storage The setup program assumes that your computer has an internal 1.44MB 3 1/2-inch floppy disk drive, an internal 20MB hard disk, and that you are not using an external 5 1/4-inch diskette drive. If this is true, you do not need to make any changes to the Mass portion of the setup program.
  • Page 42 If you are using an external 5 1/4-inch diskette DIP switch 2 on the back panel off, your computer recognizes the external diskette drive as A and the internal drive as B. In this case, you need to confirm or adjust the setup settings for both When you first select Drive B.

  • Page 43: Backlight Period

    Backlight Period In order to conserve the battery’s charge when you are running your computer without the AC adapter, your screen is designed to go blank after a preset period of inactivity. Initially, that period is two minutes. If you don’t press any key on the keyboard for two minutes, the screen’s backlighting is automatically turned off.

  • Page 44: Gray Scale

    Not time limit. Another way to avoid this problem is to use the Epson LIGHTON utility. See chapter 5 for details on the LIGHTON utility.
  • Page 45 To move to the next color, press the + key again. That tone is currently associated Black. The following display appears: Copyright (c) SEIKO EPSON COW. 1988 Coprocessor Mass storage Backlight period Gray Scale 1...
  • Page 46 As you build a gray scale for mode 3, the setup program displays all possible combinations of foreground and background tones in a grid at the left side of the screen. In this grid, the numbers and letters in the column at the left represent foreground tones. The numbers and letters in the row at the top of the grid represent background tones.

  • Page 47: Leaving The Setup Program

    Change settings Exit without saving The Reference diskette’s operation menu Enter to exit to MS-DOS. Then Running the Setup Program Exit SEIKO EPSON CORP. 1988 640 KB 0 K N color/graph. 80 col 80287 not installed Type 2(20MB) 3.0 minutes...
  • Page 48 If you have modified the gray-scale settings, press F1. The screen displays the current gray-scale assignments. If you want to make any changes, highlight Enter. The main setup menu appears again, and you can make any necessary changes. When the settings are the way you want them, remove the Reference diskette and insert your working copy of the Startup/ Operating 1 diskette in drive A.

  • Page 49: Preparing The Hard Disk For Use

    Chapter 3 Preparing the Hard Disk for Use Before using your hard disk for the first time, you need to follow the steps described in this chapter to partition and format the disk. These steps prepare the disk to store MS-DOS and your data and program files.
  • Page 50 Formatting a partition prepares the partition to receive data. You use the FORMAT command to perform this step. You use the COPY command to copy essential MS-DOS programs and Epson-supplied utility programs from your Operating 2 and Reference diskettes to your hard disk. Note...

  • Page 51: Creating A Primary Partition

    MS-DOS cannot use more than 32MB in a single partition, so creating an extended partition allows you to use the extra 8MB of space. The primary partition automatically becomes drive C. If you create an extended partition (on either a 20MB or a 40MB hard disk), you can make it just one drive or break it into multiple drives.
  • Page 52 6. At the prompt, type A> displays the FDISK Options menu. Press to select Enter. press The screen displays the following menu: Create DOS Partition Current Fixed Disk Drive: 1 1. Create Primary DOS partition 2. Create Extended DOS partition Enter choice: [1] Press ESC to return to FDISK Options 8.

  • Page 53: Creating An Extended Partition

    Creating an Extended Partition This section describes how to create an extended partition of 8MB, designated as drive D. If you completed the steps described in the previous section, you should already have a primary partition of 32MB if you have a 40MB hard disk. The primary partition is designated as drive C.
  • Page 54 Enter Press to accept the partition size. The screen message: Extended DOS partition created You also see information about the partitions you have created. Press to return to the FDISK Options menu. FDISK automatically takes you to the (s) option and displays a message similar to this: Drive No logical drives defined Total partition size is...

  • Page 55: Formatting The Primary Partition

    Formatting the Primary Partition Now that you have created drive C, the primary partition, you must format it. You can use the SELECT command to do this. SELECT automatically does the following: Formats the primary partition Allows you to assign a name (a volume label) to the partition Copies the MS-DOS Startup/Operating 1 files to the partition Creates an AUTOEXEC.BAT file in the primary partition to ensure that your computer boots MS-DOS correctly from...
  • Page 56 The screen displays the following message: SELECT is used to install DOS the first time. SELECT erases everything on the specified target and then installs DOS. Do you want to continue (Y/N)? Press Y. The screen displays the following message: WARNING, ALL DATA ON NON-REMOVABLE DISK DRIVE C: WILL BE LOST! Proceed with Format (Y/N)?

  • Page 57: Formatting The Extended Partition

    It is a good idea to enter a name (a volume label) for the partition to protect it from being accidentally reformatted later. If you want to name the drive, type a name of up to 11 characters, then press Enter.

  • Page 58: Copying The Ms-Dos Files To The Hard Disk

    The screen displays this message and prompt: WARNING, ALL DATA ON NON-REMOVABLE DISK DRIVE D: WILL BE LOST! Proceed with Format (Y/N)? Enter Press Y and The screen continuously displays the changing head and cylinder numbers. When the partition has been formatted, the screen displays the following message: Format complete It also shows information about the total disk space available...

  • Page 59: Modifying The Autoexec.bat File

    Modifying the AUTOEXEC.BAT File The SELECT procedure described above creates a file named AUTOEXEC.BAT on your hard disk. This file contains instructions that are executed by MS-DOS every time you boot your system from the hard disk. These instructions do the following: Tell MS-DOS where to find its essential system files Allow you to verify that the date and time are correctly set or change the date and time if necessary...

  • Page 60: Booting From The Hard Disk

    Booting From the Hard Disk Now you can boot your system (load MS-DOS) from drive C. Just make sure there is no diskette in drive A when you turn on or reset your computer. Turn off the computer, wait at least five seconds, then turn it back on.

  • Page 61: Using The Equity Lt-286

    LT-286 computer. Using the AC Adapter The Equity LT-286 can be powered by its internal battery pack or by the AC adapter. When you connect the AC adapter to the computer and to an electrical outlet, the power to the computer is supplied from the outlet.

  • Page 62: Using The Battery

    12 hours. Remember the following when you are charging the battery: Use only the AC adapter that comes with the Equity LT-286. Using a different one can damage the computer. It is best to charge the battery for at least eight hours. If you charge the battery for only short periods, it can run low sooner.

  • Page 63: Led Indicators

    If this light is flashing, you should attach the AC adapter as soon as possible to avoid losing data or save your data files and turn off the computer if AC power is unavailable. (See “Using the Battery,” above.) Using the Equity LT-286...

  • Page 64: Opening And Closing The Screen

    FDD LED is illuminated. If you do, you may lose dam. Num Lock, Caps Lock, whether the corresponding key functions are enabled. See “Special Keys on the Equity LT-286 Keyboard,” below. Opening and Closing the Screen When you are not using the computer or you want to move it, turn it off and close the screen, as shown below.
  • Page 65 Note To prevent damage to the system, you cannot open the Equity LT-286 while it is standing uptight on its back panel. Set the computer in a horizontal position before opening it. If you close the screen while the computer is running, the screen’s backlighting is automatically turned off to conserve battery charge.

  • Page 66: Using The Handle

    Using the Handle The Equity LT-286 h as a convenient carrying handle. To use the handle, pull it out from the bottom of the computer, as shown below. Be sure the screen is closed whenever you carry the computer by its handle.

  • Page 67: Selecting Execution Speed

    Selecting Execution Speed The Equity LT-286 can operate at two execution speeds: 8 MHz and 12 MHz. At the higher speed, the computer performs all tasks more quickly. You can select the slower speed to run application programs that have specific timing requirements.

  • Page 68: Special Keys On The Equity Lt-286 Keyboard

    When a function is on, the corresponding LED on the upper-right comer of the keyboard is illuminated. When a function is off, the LED is off. Table 4-1 describes special keys on the Equity LT-286 keyboard. Using the Equity LT-286 Caps Lock...
  • Page 69 1 , you get the number 2. In some application programs, cancels the current command line or operation. F1 - F12 Perform special functions within application programs. Print Screen Prints text on the screen to the printer. Using the Equity LT-286...

  • Page 70: Using The Function Key Template

    The twelve keys marked keyboard are used in different ways in different application programs. Your Equity LT-286 comes with two function key templates. Use a pencil to label the template with the functions of each key. You can use both sides of the function key templates and erase your labels later if you need to.

  • Page 71: Using Diskettes

    Choosing Diskettes for the Equity LT-286 Be sure to buy high-quality diskettes to use in your Equity LT-286. You can use two kinds of diskettes: 3 1/2-inch 720KB, soft-sectored, double-sided, double-density, 135 TPI diskettes 3 1/2-inch 1.44MB, soft-sectored, double-sided, high-density,...
  • Page 72 If you are planning to exchange data with a computer that has a 720KB diskette drive, you should use 720KB diskettes in your Equity LT-286. If you have an external 5 1/4-inch 360KB diskette drive, use 5 1/4- inch, double-sided, double-density, soft-sectored, 48 TPI diskettes in this drive.

  • Page 73: Caring For Diskettes

    Do not place anything on top of your diskettes, and make sure they do not get bent. Never wipe, brush, or try to clean diskettes in any way. Store diskettes properly in diskette containers. Using the Equity LT-286 4-13...

  • Page 74: Inserting And Removing Diskettes

    Slide the diskette into the drive until you feel it click into place. To remove a diskette, press the release button on the diskette drive. When the diskette pops out of the drive, pull it out and store it properly in a diskette container. Using the Equity LT-286 4-14...

  • Page 75: Making Backup Copies

    Copy all diskettes that contain programs, as you did the master system diskettes that come with the Equity LT-286. After you make your copies, store the originals in a safe place away from your working diskettes and use only the copies.

  • Page 76: Using The Hard Disk Drive

    Never attempt to open the hard disk unit. The disk itself is enclosed in an airtight container to protect it from dust. 4-16 Using the Equity LT-286 disk before using it LED is on. This light indicates that the for the first...

  • Page 77: Protecting The Data On Your Hard Disk

    Copy your data files frequently to keep your backup diskettes up to date. Use the Epson MENU utility or the MS-DOS BACKUP command to back up your hard disk files. Use the MENU utility or the MS-DOS DISKCOPY command to make copies of your system and program diskettes.
  • Page 78 If you need to load MS-DOS or an application program or to access files on the hard disk, leave the hard disk switch on when you turn on the computer, then turn it off later as described below. Using the Equity LT-286 4-18 HDD POWER and is located on the...

  • Page 79: Turning Off The Hard Disk Before Starting The Computer

    If you need to run a program of this kind and you need to turn the hard disk off to conserve battery power, use the diskette that came with the program and run it from drive A. to continue. Using the Equity LT-286 4-19...

  • Page 80: Resetting The Computer

    However, resetting erases all data in the computer’s temporary memory (RAM) that you have not stored, so reset the computer only as a last resort. 4-20 Using the Equity LT-286 and press : in front of the name of the command, the screen time you enter a drive A.

  • Page 81: Turning Off The Computer

    Turn off your monitor and peripherals first, then turn off the computer. You do not have to turn off the hard disk. Because these two methods may not erase button, above the left side of the keyboard. Using the Equity LT-286 have to. Ctrl while you...

  • Page 82: Using Ms-Dos With Your Equity Lt-286

    Chapter 5 Using MS-DOS With Your Equity LT-286 Your Equity LT-286 comes with version 3.3 of MS-DOS. MS-DOS manages the routine work of your computer system, such as keeping the computer’s memory organized, controlling the screen display, accepting keyboard input, and directing external communications.

  • Page 83: Starting Ms-Dos

    3 1/2-inch and the external 5 1/4-inch diskette drives by setting DIP switch 2 on the back panel in the on position. See “Setting the DIP Switches,” in Chapter 1. Using MS-DOS With Your Equity LT-286 appears on the screen. Then C>...

  • Page 84: The Ms-Dos Command Format

    (such as a filename) and change the way a command works. Delimiters are characters such as spaces or commas that separate command names and parameters. Using MS-DOS With Your Equity LT-286 For example, if the current drive is C and and press and press Enter.

  • Page 85: Entering Ms-Dos Commands

    Usually, the command prompt reappears so you can try again. Type the correct command and Enter. press Using MS-DOS With Your Equity LT-286 you can do one of two things: Enter...

  • Page 86: Storing Data

    If you have programs that use default extensions, you should avoid using those particular extensions in other contexts. Using MS-DOS With Your Equity LT-286...

  • Page 87: Using Directories

    But you may not need to create them on diskettes, because diskettes hold fewer files. The subdirectory structure of a hard disk can be represented with a tree-like diagram, like this: LEDGER ACCOUNTS Using MS-DOS With Your Equity LT-286 Root Directory ( \ ) WORDPROC BUSINESS SALES STORIES...

  • Page 88: The Current Directory

    If you want to run a program or access a data file that is not stored in the current directory, you can either change directories (making a different directory current) or include a pathname in your command. Using MS-DOS With Your Equity LT-286...

  • Page 89: Listing The Contents Of A Directory

    Deleting a directory. You may also want to read about XTREE, a utility provided by Epson that makes it easier to perform these functions, as well as others. You can use XTREE to generate a visual diagram of your subdirectory structure, to move quickly between directories, to add and remove directories, and so on.

  • Page 90: Using Pathnames

    A full pathname consists of one or more directory names separated by backslashes and followed by the filename. The pathname tells MS-DOS where your file is stored. Using MS-DOS With Your Equity LT-286 5-24-88 3-03-88 1-28-88...
  • Page 91 (PERSONAL), moves to the subdirectory LETTERS, then finds the file APRIL.TXT. If you did begin with the backslash, MS-DOS would not find the file, because it is a subdirectory of PERSONAL, not of the root directory. 5-10 Using MS-DOS With Your Equity LT-286...

  • Page 92: Creating Directories

    This is called changing directories. For example, to change from any directory to the directory LEDGER (which is a subdirectory of the root directory), type the following and press Enter: Using MS-DOS With Your Equity LT-286 Enter: Enter: Enter.

  • Page 93: Copying From One Directory To Another

    ( \ WORDPROC\BUSINESS). You must include spaces or commas between each of the three parts. The space characters or commas are the delimiters in this command. 5-12 Using MS-DOS With Your Equity LT-286 Enter: Enter: Enter:...

  • Page 94: Deleting A Directory

    1.44MB. You may ordinarily prefer to use high-density diskettes, since they hold more information. But if you need to transfer files to another computer that cannot read 1.44MB diskettes, you can purchase double-density diskettes and use the 720KB format. Using MS-DOS With Your Equity LT-286 Enter: 5-13...

  • Page 95: Formatting A 1.44Mb Diskette

    Format another (Y/N)? At this point, you can either format another diskette by Enter, pressing Y and prompt by pressing 5-14 Using MS-DOS With Your Equity LT-286 \DOS prompt, type the following and press > or return to the MS-DOS command Enter.

  • Page 96: Formatting A 720Kb Diskette

    An easy way to perform the functions described above is through the MENU utility, See the section on MENU later in this chapter. Using MS-DOS With Your Equity LT-286 prompt, type the following and press > or return to the MS-DOS command Enter.

  • Page 97: Copying Data

    DISKCOPY to copy data between a hard disk and a diskette. To use DISKCOPY, follow these steps: 1. Make sure your original diskette (the one you are copying from) is write-protected. (See Chapter 4 for instructions.) 5-16 Using MS-DOS With Your Equity LT-286 the sections on MENU...
  • Page 98 When the copy is complete, you see this message: Copy another diskette (Y/N)? Enter Press Y and return to the MS-DOS command prompt. Using to copy another diskette or MS-DOS With Your Equity LT-286 Enter: Enter 5-17...

  • Page 99: Using The Copy Command

    If you want to copy this file from the diskette in drive A to the hard disk, but want to change the name of the copy from REPORT to FACTS, type this command and press COPY A:REPORT C:FACTS 5-18 Using MS-DOS With Your Equity LT-286 Enter: Enter:...
  • Page 100 COPY A:*.* C: To copy all files with names that begin with the four letters MEMO and end with any single character, type the following and press Enter: COPY A:MEMO? C: Using MS-DOS With Your Equity LT-286 Enter: copy, 5-19...

  • Page 101: Using The Backup Command

    BACKUP. Unlike DISKCOPY and COPY, which make readable copies of files, BACKUP creates files that you cannot use until you restore them to the disk by using the RESTORE command. 5-20 Using MS-DOS With Your Equity LT-286 Enter:...

  • Page 102: Deleting Data

    If you are sure, press Y, Enter. then You can also use the ERASE command to delete files. ERASE works exactly like the DEL command. Using MS-DOS With Your Equity LT-286 of the BACKUP, DISKCOPY commands is through the Enter: Enter: chapter.

  • Page 103: Using The Epson Help Utility

    Using the Epson HELP Utility The Epson HELP utility provides on-line information on MS-DOS commands and programs. You can use HELP in either of two ways: You can type HELP at the command prompt and press display the HELP menu You can bypass the menu by typing HELP plus the name of the command you want information about.
  • Page 104 Press to see the help information for the next command. After you have seen enough help information, press the HELP program. Using MS-DOS With Your Equity LT-286 followed by the name of HELP Pgup PgUp to display the rest of the text.

  • Page 105: Using The Epson Menu Utility

    Using the Epson MENU Utility Your Equity LT-286 comes with a utility by Epson called MENU. With this program you can display a menu of utilities and select the one you need. MENU is easy to use because it lets you execute several commands without having to remember the exact format for each one.

  • Page 106: Using The Xtree Utility

    Enter DOS Command Using the XTREE Utility Epson has included the XTREE program with MS-DOS to make it easier for you to manage files and run other MS-DOS programs. XTREE is fast and easy to use. It lets you do the work of many MS-DOS commands using a convenient menu format, and provides several features not available elsewhere in MS-DOS.

  • Page 107: Running Xtree

    Enter directory. Press window to the file (bottom) window. Press the file window, and press to the directory window. 5-26 Using MS-DOS With Your Equity LT-286 at the A> C> XTREE Enter FILE COMMANDS...

  • Page 108: Cautions

    Then, in order to erase a file, you must first remove its read-only status. (See your MS-DOS manual for details.) Using MS-DOS With Your Equity LT-286 FILE Ctrl-D, for example, deletes all tagged...

  • Page 109: Using An Autoexec.bat File

    See your MS-DOS manual for instructions on using the PATH command, the PROMPT command, and any other commands you want to include in your AUTOEXEC.BAT file. 5-28 Using MS-DOS With Your Equity LT-286...

  • Page 110: Creating An Autoexec.bat File

    MS-DOS to execute them. Press each line. After you type the last command, press move the cursor to the next blank line. Using MS-DOS With Your Equity LT-286 prompt, type the following and press Enter at the end of...

  • Page 111: Starting An Application Program

    If this happens, save any data files you are working on and reset your computer. You can prevent this problem from occurring by using the Epson LIGHTON utility (on your Reference diskette). First load your memory-resident program, then enter the LIGHTON command...
  • Page 112 If you use memory-resident programs that interfere with the backlit screen’s operation, it is best to install them with a batch file that also includes LIGHTON manual for information about batch files.) Using MS-DOS With Your Equity LT-286 as the last command. (See your MS-DOS 5-31...

  • Page 113: Connecting An External Color Monitor

    Be sure both the computer and monitor (as well as any other peripherals) are turned off. Place your monitor near the Equity LT-286. It is easiest to connect the monitor cable if the backs of the monitor and computer face you.
  • Page 114 If the plug has retaining screws, tighten them with a screwdriver. If necessary, plug the monitor’s power cable into the power inlet on the monitor. (Some monitors come with permanently attached power cables.) Then plug the power cable into an electrical outlet.

  • Page 115: B Troubleshooting

    Troubleshooting You should not encounter any difficulties as you set up and use your Equity LT-286. You can correct most problems by adjusting a cable connection, changing a DIP switch setting, repeating a software procedure, or resetting the computer. If anything out of the ordinary happens, turn to this appendix for a solution.

  • Page 116: The Lcd Screen Is Blank

    If the electrical outlet is working and all the connections are secure but your computer still won’t start, contact your Epson dealer. The LCD Screen Is Blank...

  • Page 117: The Monitor Screen Is Blank

    If you still don’t see an image on your color monitor after following steps 1 through 5, contact your Epson dealer. Troubleshooting B-3...

  • Page 118: The Computer Locks Up

    If the battery runs low, recharge it according to the instructions in Chapter 4. The battery inside the Equity LT-286 should last as long as the computer does. However, if the battery seems to run low sooner than it should after being recharged, you can test it by following these steps: Turn off the computer.

  • Page 119: Diskette Problems

    3. Disconnect the AC adapter. Turn the switch off. Turn on the computer, but do not insert a diskette and do not use the computer. When the screen backlighting goes off, leave it off (do not press a key). Allow the computer to remain in this condition for an hour and 45 Power/Speed minutes.

  • Page 120: Hard Disk Problems

    Hard Disk Problems If you have problems with your hard disk when you first start to use it, make sure it is properly set up. (See the instructions for setting up the hard disk in Chapter 3.) Then try the following steps: Be sure the switch marked computer, is on.
  • Page 121 If none of the above procedures works, contact your Epson dealer or have an authorized Epson Customer Care Center check your hard disk. Never open the airtight container that encloses the hard disk.

  • Page 122: Power-On Diagnostics

    The error message remains on the screen, but the computer is inoperable. Write down the error message and code number and call your Epson dealer. If the error is not serious, the computer displays an error message and waits for you to resume further checking.

  • Page 123: Clock And Cmos Ram Check

    in which the error is found. Your dealer needs this information to find and correct the problem. If an I/O or checksum error occurs, you see this message: xxxx0 ROM error where xxxx is the number of the segment of the bad I/O ROM. Clock and CMOS RAM Check When the system device check is completed successfully, the computer checks the system clock and CMOS RAM.

  • Page 124: Keyboard Controller And Keyboard Check

    If there are faulty RAM chips in your system, you see one of these messages: 201-Memory error 202-Memory address error 203-Memory address error If an I/O or parity error occurs, you see one of these messages: Parity check 1 Parity check 2 The program also displays the number of the segment causing the problem.

  • Page 125: Diskette Drive Seek Check

    Diskette Drive Seek Check The computer checks its diskette drives by testing the drive mechanism for any malfunction. If any seek errors are found, you see this message: 601-Diskette error Hard Disk Controller and Hard Disk Check The computer next checks the hard disk controller and drive unit. If a malfunction is found in the hard disk controller, you see this error number and message: 1782-Disk controller failure...

  • Page 126: Performing System Diagnostics

    Appendix D Performing System Diagnostics This appendix describes how to check the operation of the main unit and peripheral devices of your system. You check these devices using the diagnostics program on your Reference diskette. Run the diagnostics program if you are not sure whether a device is performing correctly.

  • Page 127: Modifying The Device List

    The screen looks something like this: DEVICE LIST System board Memory Keyboard Color graphics adapter and CRT Floppy disk drives and controller Parallel port (printer interface) 11 - Serial port 14 - Dot-matrix printer 17 - Hard disk drives and controller Is the DEVICE LIST correct (Y/N)? If the list correctly describes your system, press Y and a device is missing from the list, or if you wish to change the...
  • Page 128 Enter. Press followed by Modify DEVICE LIST 1 - Add devices - Delete devices 0 - Exit Enter selection number: To add a device to the list, press a list of other devices that are not currently included in the DEVICE LIST.

  • Page 129: Selecting A Test

    Selecting a Test From the DEVICE LIST, select the device to be tested. Type the number of the device, then press appears: Number of times to test device 1 - Run test one time 2 - Run test multiple times 0 - Exit Enter selection number: You can specify that the test be performed one time only or any...

  • Page 130: Resuming From An Error

    Resuming From an Error If an error occurs during a test, the test stops at that point and an error code and error message are displayed. If you want to record the problem, you can print out the message on your printer. You see this prompt: Do you want a printout of the error message(s) (Y/N)?

  • Page 131: System Board Check

    CPU instruction set, including protected-mode operation, is functioning correctly. If an error occurs, write down the error message, or print it out, and contact your Epson dealer. Attempting to correct system board errors yourself may violate your warranty agreement.

  • Page 132: Keyboard Check

    0 - Exit Enter selection number: Choose the appropriate option for your keyboard layout (for example, if you’re using the Equity LT-286 in the United States, choose option 1), and press The screen then displays a diagram showing the layout of your keyboard.

  • Page 133: Monochrome Display Adapter And Crt Check

    You can find diagrams of all the international keyboard layouts in the MS-DOS manual. If any key is incorrect, press code and message, or print them out, and contact your Epson dealer. Monochrome Display Adapter and CRT Check Use this option to verify the operation of a monochrome adapter and display.

  • Page 134: Monochrome Adapter Check

    Monochrome Adapter Check To check the monochrome adapter, press The computer checks the video RAM (display memory) on the display adapter by writing certain data to memory, then reading it back and comparing it to the written data. The computer also tests the video enable signal of the display controller chip.

  • Page 135: Video Check

    After checking the character fonts, respond to the prompt: t h e d i s p l a y If the characters match the illustration, press Y and find a problem with the characters on the screen, press Enter to display the error message. Video Check To check the video output of your monochrome adapter, press 4 Enter.

  • Page 136: Color Graphics Adapter And Crt

    0 - Exit Enter selection number: If an error occurs during any of these tests, write down the error message, or print it out, and then contact your Epson dealer. When you are finished with the test, press 0 and DEVICE LIST.

  • Page 137: Attribute Check

    DIP switches are currently set. Table 1-2, in Chapter 1, lists the mapping of colors to gray tones in mode 2. Contact your Epson dealer to verify any display problems. Character Set Check To check your 80-column character set, press 3 and then The character fonts that are included in the internal character generator are displayed.

  • Page 138: 40-Column Character Set Check

    After checking the character fonts, respond to the prompt: Is the display correct (Y/N)? If the characters displayed match the illustration, press Y and Enter. If you find a problem with the characters on the screen, Enter press to display the error message. 40-Column Character Set Check To check your 40-column character set, press 4 and then The character fonts that are included in the internal character...

  • Page 139: 640X200 Graphics Mode Check

    The same pattern is displayed again; this time, the squares are cyan, white, and magenta, and the background is red. These colors are called Color Set 1. If these colors are also correct, press Y and then Enter to end the test. Note On the LCD display, this test is run with gray scale mode 2 in effect, regardless of how the DIP switches are currently set.

  • Page 140: Screen Paging Pheck

    If the patterns on your screen are clear and distinct, press Y and Enter. then If any pattern is not clear, first check the adjustment of your monitor (if you are using an external monitor), and then make sure that both ends of the cable are plugged in firmly. If a problem persists, press Screen Paging Check To check your system’s screen paging, press 7 and...

  • Page 141: Color Video Check

    Color Video Check Option 8, Color video check, displays 16 different screens, each with a different color and a message indicating the color. (On the LCD display, the colors appear as shades of gray.) The screens show the colors in the order shown below: 1 - Black 2 - Blue 10 - Light blue...

  • Page 142: Floppy Disk Drive And Controller Check

    Run All Above Checks To run all the tests on the menu in sequence, press 10 and When you choose this option, all video checks are performed automatically, in sequential order. Although you do not start each test, you must still supply the appropriate responses to progress from one test to the next.

  • Page 143: Sequential Seek Check

    Press and then If any errors occur, write down the error code and message and contact your Epson dealer. Always have diskette drives serviced by your dealer. When you finish running the checks, press 0 and the DEVICE LIST menu.

  • Page 144: Write, Read Check

    Write, Read Check This test checks the ability of the selected disk drive to read and write data from a diskette. The test writes to and reads from each track on the diskette, starting at the center. Select option 3 from the menu to start this test.

  • Page 145: Run All Above Checks

    If you try to perform a speed test without inserting a diskette, or if read error occurs, you see this message and prompt: Disk is defective or not installed properly. Press ENTER to return to the menu. Disk Change Check This test checks the ability of the diskette drive to detect that a diskette has been removed or inserted.

  • Page 146: Math Coprocessor (80287) Check

    Math Coprocessor (80287) Check Use this option to check the operation of the 80287 math coprocessor if you have one installed in your computer. To start the test, select option 7 from the DEVICE LIST menu. Before running any tests, the computer checks the settings in CMOS RAM to ensure that a coprocessor is installed.

  • Page 147: Serial Port (Rs-232C Port) Check

    Insert the loop-back connector. Then press Y and the check. The computer checks the port by writing and reading data and control information, and reports errors for any pins that are faulty. Serial Port (RS-232C Port) Check Use this option to test the functions of the primary serial communications (RS-232C) port.

  • Page 148: Alternate Serial Port Check

    The second test is an echo back check during which the port sends data to itself in a fixed data format, at all the possible baud rates. When this test begins, you see this message: RS-232C echo back check - at various baud rates Current baud rate is 75 Current test data is 00...

  • Page 149: Dot-Matrix Printer Check

    The bit-image graphics data is sent to the printer using a command (ESC K) compatible with Epson and IBM printers. If this pattern is printed correctly, you can use the MS-DOS GRAPHICS or GRAPH24 program to print out copies of graphics screens.

  • Page 150: Hard Disk Drive And Controller Check

    Even if you run the test fur only a short time, your printer may store many characters in its memory. To stop printing, take the printer off-line and then turn it off. Hard Disk Drive and Controller Check Use this option to test the performance of the hard disk drive installed in your computer.

  • Page 151: Write, Read Check

    Select option 1 from the menu to start this test. The program displays the number of each cylinder it finds, counting down to 0. The seek is performed by the read/write heads simultaneously, so you see the cylinder numbers only once. If no errors occur, the menu is redisplayed.

  • Page 152: Alternate Parallel Port Check

    Select option 3 from the menu to start this test. The program displays the number of each cylinder it finds. The first message you s e e i s : Current cylinder is nnn The cylinder number counts down to 0. At the end of the test, you see a table showing the results of the test.

  • Page 153: Parallel Port (On Video Adapter) Check

    This test is identical to the check for the primary parallel port. For more details, see the section describing the parallel port check earlier in this appendix. Parallel Port (on Video Adapter) Check Use this option to test the functions of a parallel port on a video adapter card.

  • Page 154: Error Codes And Messages

    Error Codes and Messages Table D-l lists all the error codes and messages that may appear during diagnostic checks. Table D-1. Error codes and messages Error code Message System board 80286 CPU ERROR 27xxx ROM CHECKSUM ERROR 8254 TIMER COUNTER REGISTER ERROR 8254 TIMER COUNTER ERROR 8237 DMA CONTROLLER REGISTER ERROR 8237 DMA REFRESH ERROR...
  • Page 155 Monochrome display adapter and CRT V-RAM ERROR VIDEO SIGNAL ERROR ATTRIBUTE ERROR CHARACTER SET ERROR Color graphics adapter/display V-RAM ERROR ATTRIBUTE ERROR CHARACTER SET ERROR 40-COLUMN CHARACTER SET ERROR COLOR GRAPHICS ERROR 640x200 GRAPHICS MODE ERROR SCREEN PAGING ERROR COLOR VIDEO ERROR Floppy disk drives /controller FLOPPY DISK CONTROLLER ERROR...
  • Page 156 Serial port (RS-232C) control signal ALWAYS LOW 1101 1101 control signal ALWAYS HIGH 1102 TIMEOUT ERROR 1103 VERIFY ERROR Alternate serial port 1201 control signal ALWAYS LOW 1201 control signal ALWAYS HIGH 1202 TIMEOUT ERROR 1203 VERIFY ERROR Dot-matrix printer 1401 status Hard disk drive...

  • Page 157: E Specifications

    Appendix E Specifications Main Unit Main memory Math coprocessor Interfaces Parallel Serial Video Speaker Option slot Keyboard Layout 80286 microprocessor, 8 MHz or 12 MHz clock speed; speed may be switched without rebooting 640KB 80288 microprocessor (optional) for use at 8 MHz Standard 8-bit parallel, 25pin, D-type female connector...

  • Page 158: Mass Storage

    Mass Storage Hard disk Internal 20MB or 40MB hard disk designed for low power consumption; separate hard disk power switch; 78ms average access time (20MB hard disk) Diskette drive 1 internal 1.44MB 3 1/2-inch diskette drive; external 5 1/4-inch (360KB or 1.2MB) diskette drive supported Display High-contrast paper-white LCD display with...

  • Page 159: Power Requirements

    Operating: 0 to 9800 ft (0 to 3000 m) Altitude Non-operating: 0 to 32,000 ft (0 to 10,000 m) When traveling by airplane, it is best to take your LT-286 into the passenger compartment as carry-on luggage to prevent it from being stored in an unpressurized storage compartment.

  • Page 160: Options

    Options Internal 300/1200-baud or 1200/2400-baud Modem Hayes-compatible, auto-dial 2MB expansion modules (SIMMs); up to 4MB Memory expansion memory supported on system board One 8-bit expansion slot Expansion chassis One 16-bit expansion slot Soft case for carrying computer Carrying case Specifications...

  • Page 161: Glossary

    80287 math coprocessor. AC adapter The device that converts AC voltage from a wall socket into the proper DC voltage to power your Equity LT-286. The AC adapter delivers sufficient power to recharge the NiCad battery pack while you operate the computer.
  • Page 162 Backlighting The internal fluorescent illumination of the computer’s LCD screen. LCD screens that are not backlit are not legible without an external source of light. Backlight period The length of time your LCD screen stays illuminated in the absence of keyboard activity. To restore the backlighting to your screen after the backlight period has elapsed, press any key.

  • Page 163: Cmos Ram

    Complementary Metal-Oxide Semiconductor. A method of making integrated circuits (chips). CMOS RAM A special type of low-power memory in your Equity LT-286, used to record information about your system’s configuration, as well as the current date and time. Unlike ordinary RAM, CMOS RAM is backed up by a small battery and therefore is not erased when the computer’s power switch is turned off.
  • Page 164 COMMAND.COM The program file that enables MS-DOS to carry out commands such as DIR, COPY, and ERASE. COMMAND.COM must be stored in the root directory of your hard disk if you want to boot MS-DOS from the hard disk. Command prompt The message that tells you MS-DOS is loaded and ready to receive instructions.
  • Page 165 CRT connector The socket on the back panel of your Equity LT-286 where you plug in the cable of a color monitor. Current directory The directory you are working in. MS-DOS executes a command in the current directory unless you include a pathname with the command.

  • Page 166: Default Drive

    Default directory A synonym for current directory. Default drive A synonym for current drive. Delimiter A character (usually a semicolon, comma, or a space) used to separate different parts of an MS-DOS command. Device A piece of equipment that is part of a computer system and performs a specific task.
  • Page 167 (with or without the extension). Execution speed The speed at which the CPU can execute commands. The Equity LT-286 can run at 8 MHz or 12 MHz. Also called clock speed, or operating speed. Expansion chassis An optional device containing two expansion slots. The slots...

  • Page 168: Floppy Disk

    Extension A suffix of up to three characters that can be added to a filename. External command An MS-DOS command that is stored in a program file. The FORMAT command, for example, is stored in the file FORMAT.COM. To perform an external command, MS-DOS must be able to find the appropriate program file.

  • Page 169: Hard Disk

    GW-BASIC Microsoft’s extended version of the BASIC programming language. GW-BASIC is included on your Operating 2 diskette. Hard disk A sealed mass storage device used to store data permanently. A hard disk can process data more rapidly and can store many more files than a diskette.
  • Page 170 The six indicator lights above the Equity LT-286 keyboard are LEDs. LIGHTON An Epson utility program that enables you to restore the screen backlighting by pressing any key, even when a memory-resident program that alters the normal BIOS keyboard handler is running.

  • Page 171: Numeric Keypad

    An operating system from Microsoft that comes with your computer. See Operating system. NiCad The type of battery used by your Equity LT-286. NiCad stands for nickel-cadmium. Numeric keypad The number keys grouped on the right side of the keyboard.

  • Page 172: Operating System

    Operating system A collection of programs that allows a computer to control its operations. The operating system determines how programs run on the computer and supervises all input and output. Your computer comes with MS-DOS, an operating system by Microsoft. Option card A circuit board that you install in a slot in your main unit or expansion chassis.
  • Page 173 Peripheral An external device, such as a printer or modem, connected to a computer. Port An input/output socket on a computer to which you can connect a peripheral. Power-on diagnostics A set of self-testing routines performed automatically by the computer every time you turn it on. See Appendix C. Program A disk file that contains coded instructions telling the computer what to do and how to do it.
  • Page 174 RS-232C A standard serial interface. You can easily connect an RS-232C- compatible device to your Equity LT-286. Sector A contiguous section of a disk track that provides an address at which the computer can access data.
  • Page 175 Source diskette The diskette that you are copying files from, as opposed to the target diskette, which is the diskette you are copying files to. Stop bit A signal sent in serial communications to mark the end of a character. Subdirectory A disk directory that branches down from another subdirectory or from the root directory.
  • Page 176 Video Graphics Array. A type of video monitor that can display graphics. You can install a video card for a VGA monitor in the Equity LT-286’s optional expansion chassis. Volume label A name (up to eleven characters in length) you can assign to a diskette or hard disk.

  • Page 177: Index

    Index AC adapter, connecting, 1-2-3 using, 4-1 Adjusting LCD screen, 4-5 Application program, starting, 5-30 AUTOEXEC.BAT file, creating, 5-29-30 modifying, 3-11 using, 5-28 -30 Backlight period, 1-19, 2-9 -10, 5-30 -31, B-2 back cover foldout Back panel, Back panel DIP switches. See DIP switches BACKUP command, 5-20-21 Backup copies, 1-19 -21, 5-16 -21 Battery,...
  • Page 178 Choosing diskettes, 4-11 -12 Clock and CMOS RAM diagnostics check, C-2 CMOS RAM, 2-1, C-2, D-6 Color monitor. See Monitor Command format, MS-DOS, 5-3 -4 Commands, entering, 5-4 Computer, carrying, 4-6 resetting, 4-20 -21 setting up, 1-1-21 turning off, 4-21 turning on, 1-15-17 using, 4-1-21 Configuration, 1, 2-1...
  • Page 179 Data, copying, 5-16-21 deleting, 5-21 protecting, 4-17 storing, 5-5-6 Deleting, data, 5-21 directory, 5-13 Diagnostics, C-1 -4, D-1 -31 clock and CMOS RAM check, C-2 diskette drive check, C-4, D-17 -20 dot-matrix printer check, D-24 -25 error codes and messages, D-29 -31 exiting system diagnostics, D-28 hard disk check, C-4, D-25 -27 keyboard check, C-3, D-7 -8...
  • Page 180 Diskette, backing up, 4-15, 5-16 -21 caring for, 4-13 -14 choosing, 4-11 -12 copying, 4-15, 5-16 -21 diagnostics, C-4, D-17 -20 double-density, 4-11 -12 double-sided, 4-11 -12 formatting, 5-13 -15 high-density, 4-11 -12 inserting, 4-14 problems, B-5 removing, 4-14-15 storing, 4-13-14 system, 1-14-15, 1-18-21 using, 4-11-16 write-protecting, 4-15 -16...
  • Page 181 Expansion chassis, 2 Extended partition, 3-2 -3, 3-5 -6, 3-9 -10 Features, Equity LT-286, 1 Files, copying, 5-16-21 Floppy disk. See Diskette Floppy disk drive. See Diskette drive Formatting, diskettes, 5-13 -15 hard disk, 3-2, 3-7 -10 Function key template, 4-10...
  • Page 182 HELP utility, 5-22-23 High-density diskettes, 4-11 -12 Inserting diskette, 4-14 Interface, AC adapter, 1-2 CRT, A- 1 parallel, 1-5, D-21 -22, D-27 -28, E-1 serial, 1-7, 1-12-13, D-22 -23, E-1 Internal self test, C-1 -4 Keyboard, diagnostics check, C-3, D-7 -8 function key template, 4-10 layout, 4-8, E- 1 special keys, 4-8-10...
  • Page 183 LIGHTON utility, 5-30 -31 Loading operating system, 1-15 -19, 3-12, 5-2 Making backup copies, 1-19 -21 Mass storage, 2-7, E-2 Math coprocessor, 1, 2-6, D-21 MENU utility, 5-24-25 Memory, 1, 2-3 -4, D-6 Monitor, external connecting, A-1 -2 selecting with DIP switch, 1-10 -12, 1-14 setup program options, 2-4 -6 MS-DOS, AUTOEXEC.BAT file, 3-11, 5-28 -30...
  • Page 184 Partitioning hard disk, 3-2-6 Performing system diagnostics, D-1 -31 Plugging in power cord, 1-3 Port. See Interface Power, cord, 1-3 LED, 1-17, 4-3 requirements, 1-3, E-3 supply, E-2 switch, 1-16 turning off, 4-21 turning on, 1-15 -17 Power cord, connecting, 1-3 Power-on diagnostics, 1-17, C-1 -4 Preparing hard disk, 3-1-12 Primary partition, 3-2 -5, 3-7 -9...
  • Page 185 2-3-4 running, 2-1-14 starting, 2-2-3 Software, starting programs, 5-30 Special keys, 4-8-10 Specifications, Equity LT-286, E-1 -4 Speed. See CPU speed Starting MS-DOS, 1-15 -19,3-12,5-2 Starting setup program, 2-2-3 Starting system diagnostics, D-1 -2 Storing diskettes, 4-13 -14 Support, customer, 4...
  • Page 186 Template, function key, 4-10 Troubleshooting, B-1 -7 Turning off computer, 4-21 Turning on computer, 1-15 -17 Unpacking computer, 1-1-2 Using computer, 4-1 -21 Using diskettes, 4-11 -16 Using hard disk drive, 4-16 -20 VGA, 2-6 Video diagnostics check, C-3, D-8 -17 Video monitor.
  • Page 187 cover Back panel DIP switches Hard disk drive AC adapter Serial Parallel interface interface Diskette drive connector...

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