Epson Equity LT-386SX User Manual

Epson Equity LT-386SX Manual

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  • Epson Equity LT-386SX | User Manual - Page 1
    EQUITY™LT™-386SX User's Guide EPSON®
  • Epson Equity LT-386SX | User Manual - Page 2
    in strict accordance with the manufacturer's instructions, it may cause interference to radio caused by the computer or its peripheral devices. To further isolate the problem: Disconnect the peripheral Epson peripheral devices, you can obtain the proper shielded cable from your dealer. For non-Epson
  • Epson Equity LT-386SX | User Manual - Page 3
    EPSON® EQUITY™LTTM-386SX User's Guide
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    of Seiko Epson Corporation. Equity and LT are trademarks of Epson America, Inc. GW-BASIC, Microsoft, Microsoft Word, Microsoft Windows/386, and MS-DOS are trademarks and registered trademarks of Microsoft Corporation. Hayes is a registered trademark of Hayes Microcomputer Products, Inc. Intel is
  • Epson Equity LT-386SX | User Manual - Page 5
    and save them for later reference. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for
  • Epson Equity LT-386SX | User Manual - Page 6
    as specifically explained in the User's Guide, do not attempt to service this product yourself. Opening or removing those covers that are marked "Do Not Remove" may expose you to dangerous voltage points or other risks. Refer all servicing in those compartments to service personnel. 13. Unplug this
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    Introduction How To Use This Manual 5 Where To Get Help 14 6 Starting the System 1-15 Turning On the Computer 1-15 Adjusting Screen Contrast and Brightness 1-17 Initial Screen 1-22 Setting the Scratch RAM Option 1-23 Setting the CPU Clock Setting 1-23 Setting the Shadow RAM 1-23 Setting
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    Equity LT-386SX Keyboard Using Diskettes How Diskettes Work Choosing Diskettes for the Equity LT-386SX Hard Disk Performance Turning Off the Hard Disk Modifying the AUTOEXEC.BAT File Resetting the Computer Turning Off the Computer 2-1 2-2 2-4 2-7 2-9 2-10 2-11 2-11 2-12 2-16 2-18 2-19
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    3-17 3-18 3-20 3-22 3-24 3-24 3-25 3-27 3-28 3-29 3-30 3-31 3-31 3-33 Chapter 4 Troubleshooting The Computer Won't Start 4-1 The LCD Screen Is Blank 4-2 The Monitor Screen Is Blank 4-3 The Computer Locks Up 4-4 Diskette Problems 4-4 Diskette Drive Problems 4-5 Hard Disk Problems 4-6 vii
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    Appendix A DIP Switches Setting the DIP Switches A-1 Accessing the DIP Switches A-2 Replacing the Expansion Card Cover A-7 Appendix B Installing Options Connecting an External Color Monitor B-1 Connecting an External Diskette Drive B-3 Installing the Internal Modem B-4 Installing the RAM
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    the Tests System Board Diagnostics Basic Functionality Test CPU Protected Mode Test Processor Speed Test Coprocessor Test DMA Controller Test Interrupt Controller Test Timer Test RTC Test CMOS Validity Test Memory Diagnostics BIOS
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    Floppy Disk Diagnostics Diskette Format Drive Speed Test Random R/W Test Sequential R/W Test Disk Change Line Test Floppy Disk Error Messages Keyboard Diagnostics Controller Test Scan/ASCII Code Test Keyboard Clock Line Test Keyboard Data Line Test Video Diagnostics Adapter Test
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    Appendix F Using Other Reference Diskette Utilities Using Microsoft Windows/386 F-1 Using Microsoft Windows, Version 3.0 F-3 Using VGARAM F-4 Using SCROLL F-5 Glossary Index xi
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    Introduction Your Epson®' Equity LT-386SX portable computer is a compact, high-performance system you can use slot LI A high-capacity battery pack to power the LT-386SX, rubber pads for the battery pack, and installation instructions Ci Built-in interfaces for serial, parallel, video, external
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    RGB VIDEO before turning on the Equity LT-386SX, the computer automatically recognizes the presence of an external monitor. The LT-386SX supports VGA video monochrome and color modes. You can also connect an Epson external 5 '/+inch diskette drive to the computer to exchange data easily with other
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    AC adapter Cl An adapter for an external, Epson keyboard LI Carrying case. Your Equity LT-386SX comes with MS-DOS? version 4.01, by manuals packed in the box with the computer: LI MS-DOS Installation Guide-Use this manual to install MS-DOS on your hard disk. LI MS-DOS Reference Manual-Use this manual
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    Guide-Use this manual to learn about the MS-DOS Shell feature. Cl MS-DOS Command Summary-Use this as a quick reference when you need to check on the format of a command. In addition to MS-DOS, Epson for the IBM Personal Computer, PC XT: or PC AT on your Equity LT-386SX. You may also want to use
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    Chapter 3 provides basic instructions for using MS-DOS with your computer. You can find more detailed information about MS-DOS in the MS-DOS manuals. Chapter 4 provides troubleshooting guidelines you can follow if you encounter any problems while using your Equity LT-386SX. Appendix A describes the
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    , including the LCD VGA video driver for Microsoft Windows/386. At the back of the manual is a glossary of computer terms. Where To Get Help Customer support and service for Epson products is provided by a network of authorized Epson dealers and Customer Care Centers throughout the United States
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    Up Your System Setting up your Epson Equity LT-386SX portable computer is easy. Just follow the steps in this chapter. They describe how to attach the hard disk, connect a printer, and attach the AC adapter and power cord that come with your Equity LT-386SX. After assembling these parts, you start
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    not turn on the computer, printer, or any peripherals until the instructions tell you to do so. Otherwise, you may damage some part of your equipment. 1 Unpacking As you unpack the components, be sure to inspect each item. If anything is missing or damaged, consult your Epson dealer. 1-2 Setting Up
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    Cl The hard disk drive (if purchased) Ci The Equity LT-386SX Reference diskette CI The three MS-DOS diskettes: Install, Operating, and Shell CI The MS-DOS manuals: MS-DOS Installation Guide, MS-DOS Reference Manual, MS-DOS Shell User's Guide, MS-DOS Command Summary. You'll also find a registration
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    the hard disk. If the hard disk drive is installed, you can skip this step. If your dealer has not installed the hard disk, your computer contains a box with a label that says, "This box is empty!". You install the hard disk drive above the keyboard panel on the
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    the box releases, lift it straight up and out. Store the empty hard disk box with your other packing materials. 3. Face the front of the computer and hold the hard disk drive with the PUSH button on the left and the retractable tabs on the right. Setting Up Your System 1-5
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    4. Position the hard disk drive directly above the hard disk drive slot on the computer. The connectors on the hard disk drive fit into the sockets on the computer. 5. Keep the hard disk drive level and lower it straight down into the slot. If you lower either side first, the connectors do not
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    -DOS installation program, called SELECT, performs these functions. See your MS-DOS Installation Guide for instructions after you complete the remaining steps in this chapter. 3 Connecting a Printer The Equity LT-386SX has both parallel and serial interfaces (ports). You can easily connect a printer
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    of the machine). 3. Press down on the release tab to open the computer's interface cover, as shown below. release tab 4. One end of the printer cable has a 25-pin, D-shaped male connector. (See your printer manual if you cannot identify this connector.) Connect this end to the parallel connector
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    labeled PRINTER on the right side of the computer, as shown below. If the plug has retaining screws, tighten them by hand or with a screwdriver. 5. Connect the other end of the cable to the
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    or other peripheral device that uses a serial interface, connect it to the serial interface labeled RS232C on the right side of the computer. serial port The Equity LT-386SX uses an IBM PC AT-compatible, 9-pin, D-shaped male connector, so be sure you have a compatible cable or an adapting cable that
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    the Epson MENU program) to make these changes. See your MS-DOS Reference Manual for instructions. The standard DIP switch settings for the LT-386SX define 1. Make sure the computer's power switch (located on the right side of the computer) is turned off. 2. Turn the computer around so the back
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    off the cover and store it in a safe place. 4. Slide this box up into the slots on the connector on the back panel of the computer. Press the connector box up until it snaps into place. 1-12 Setting Up Your System
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    Be sure to read "Using the AC Adapter" in Chapter 2 for more information about the AC adapter. When you are not using the AC adapter, replace the safety cover that protects the connector. Setting Up Your System 1-13
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    5 Connecting the Power Cord Follow these steps to connect the power cord: 1. Connect the power cord to the adapter's input socket. 2. Plug the other end of the power cord into a grounded, 120-volt, AC wall outlet. 1-24 Setting Up Your System
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    your Equity LT-386SX computer. Read these safety rules first to avoid accidentally damaging your computer or injuring yourself: Do not attempt to dismantle any part of the computer. If there is a hardware problem you cannot solve after reading Chapter 4 on troubleshooting, consult your Epson dealer
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    steps: 1. Turn on any peripheral devices, such as a printer, an external diskette drive, or a color monitor. rive on 2. Turn on the computer by pressing the power switch on the right side of the computer. Press the switch toward the back of the computer. power switch 1-16 Setting Up Your System
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    runs whenever you turn it on. The power-on self test checks the RAM (random access memory), keyboard, system board, and peripheral interfaces before the computer begins normal operation. Adjusting Screen Contrast and Brightness If you cannot see text on the screen clearly, use the levers on the
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    program: Press if you want to run SETUP utility. Running the SETUP Program When you turn on your computer for the first time, run the SETUP program to define how your computer is set up. This is a simple procedure that you must do at least once. You may need to do
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    size, the extended memory size, and whether or not a numeric processor (i.e., math coprocessor) is installed. The settings you specify with switch settings. Starting the SETUP Program When you turn on or reset the computer, the following message displays at the completion of the self-test: Press <
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    Equity LT-386SX Installed Base memory size Ext. memory size Numeric processor : 640KB : 3328 KB : Not installed Cyln MB Scratch RAM option : Top of the base memory CPU clock setting : 16 MHz. Shadow RAM setting : selected setting. Setting the Date The computer's setting for the current month is
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    more information on the DIP switches. Setting the Hard Disk Drive You may have either of two types of hard disk drives installed in the Equity LT-386SX. Type 2 is the 20MB hard disk drive. Type 17 is the 40MB hard disk drive. Define Hard disk C appropriately as either type 2 or type 17
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    Setting the Primary Display The computer considers the LCD your primary display, unless you connect an external monitor to the RGB VIDEO port before turning on the Equity LT-386SX. The following definitions are available for the primary display: Cl VGA or EGA CI Color 80x25 Ll Not installed Cl
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    uses when you turn it on or reset it. Setting the Shadow RAM Enabling shadow RAM causes the Equity LT-386SX to copy the contents of BIOS into RAM. This speeds up processing operations, because the computer can read RAM much faster than ROM. (Enabling shadow RAM does not reduce the amount of memory
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    CPU clock speed to 8 MHz, and decreasing the VGA controller clock rate. Standby mode is valid only when the Equity LT-386SX is not attached to an external monitor. The time you select for standby mode (00 to 60 minutes) is the length of time that can pass without keyboard input before the computer
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    -test, the computer displays a table listing the current settings for the Equity LT-386SX. An example of this table is shown below: Main Processor: 80386 Numeric Processor: Present Floppy Drive A: : 1.44MB. 3 1/2" Floppy Drive B: : 1.2MB, 5 1/4" Display Type: "GA or EGA ROM-BIOS Date: 09
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    , the release button pops out. For more information on inserting, removing, and caring for diskettes, see Chapter 2. 2. Reset the LT-386SX and ignore the SETUP prompt. The computer automatically loads the operating system and starts the MS-DOS installation program, which is called SELECT. The SELECT
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    After you have copied the MS-DOS files onto the hard disk, your original MS-DOS diskettes become your backup copies. Store these diskettes in a safe place. See your MS-DOS Installation Guide for a complete description of SELECT and how to install MS-DOS on your computer. Setting Up Your System 1-27
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    the AC adapter. (When the battery is low, connecting the AC adapter may reset the computer.) Because the adapter can operate at voltages from 120 to 240 volts, you can use your Equity LT-386SX in countries other than the United States, provided you have the appropriate adapter plug. Use the
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    Using the Battery The battery pack that comes with the Equity LT-386SX contains NiCad (nickel cadmium) batteries that power the computer when the AC adapter is not connected. The battery pack is rechargeable. You need to recharge the battery pack at the following times: Cl Before
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    only the AC adapter that comes with the Equity LT-386SX. Using a different adapter can damage the computer and/or the battery pack. Q Charge the option for CPU clock setting. Or, during operation, you can hold down Ctrl and press left Shift and F simultaneously to change the computer's clock speed
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    using. 3. Leave the computer on, but do not use it. After about 10 to 20 minutes, the icons on the status indicator bar go dark, indicating the battery is discharged. 4. Now give the battery a full, eight-hour charge. Connecting the Battery Pack Before you can use the Equity LT-386SX without the AC
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    so its back is facing you. Position the back of the computer slightly over the edge of the desk to make it easier to slide connectors on the battery pack with the slots on the back of the computer, as shown below. 6. Pull the battery pack up until it snaps into place. Using the Equity LT-386SX 2-5
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    the back of the computer is slightly over the edge of the desk so you can slide the battery pack down. 4. While pulling the release tabs (on each side of the battery pack) toward you, press down on the battery pack. Slide the battery pack down and off the computer. 2-6 Using the Equity LT-386SX
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    above the keyboard provides information about the computer's operation. 43 Elb EXT.FD 16 MHZ CPU clock speed, either 8 MHz or 16 MHz. Indicates when you are using the battery pack; blinks when the battery pack charge is low. Indicates when you select an external monitor. Using the Equity LT-386SX
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    the modes of an external keyboard. The SCRL, NUM, and CAPS icons indicate whether the corresponding key functions are enabled. See "Special Keys on the Equity LT-386SX Keyboard" later in this chapter. 2-8 Using the
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    ). Then lift the screen back. You can position the screen at a variety of viewing angles. When you are not using the computer or you want to move it, turn it off and close the screen, as shown below. Be sure the screen locks into the bottom part of the computer. Using the Equity LT-386SX 2-9
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    handle. To use the handle, pull it out from the computer, as shown below. Be sure the screen is closed whenever you carry the computer by its handle. To avoid accidental damage to your Equity LT-386SX, always store the computer in a flat, horizontal position. Do not leave it standing upright
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    prolong the battery's charge. You can select the CPU clock setting in the SETUP menu. (See the description of running the SETUP program in Chapter 1.) The Equity LT-386SX always starts at the clock speed established in the SETUP menu. While the computer is operating, you can change the clock speed
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    Pattern for Any Color The Equity LT-386SX assigns VGA colors to 16 shades of gray (or gray scales). There is a utility program called SETLCD on the Reference diskette that lets you modify the shade of gray assigned to any color. This capability is useful if you have trouble reading text that an
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    a menu similar to the one below: SETLCD.EXE Ver. 1.0 BLACK BLUE GREEN CYAN RED MAGENTA BROWN WHITE LT. BLUE LT. MAGENTA BRT. WHITE You use the following keys to make menu selections. Selects the color you want to their default values. F10 Allows you to exit. Using the Equity LT-386SX 2-13
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    number and the desired gray scale number as parameters in the SETLCD command. The format for this function of SETLCD is: S E T L C D / c c : g g [ / c c : gg] 2-14 Using the Equity LT-386SX
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    following command sets color number 0 (black) to gray scale number 63, and it sets color number 7 (white) to gray scale number 0: SETLCD /0:63/7:0 Using the Equity LT-386SX 2-15
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    Keys on the Equity LT-386SX Keyboard The illustration below shows the Equity LT-386SX keyboard. Certain keys on your keyboard serve special functions when your computer is running application programs. For instructions on how to use keys for specific software functions, consult the manual that came
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    The following table describes special keys on the Equity LT-386SX keyboard. F1 -F10 Esc Tab 5, Ctrl Shift Alt Print while Num Lock is on. For example, with Num Lock on, pressing j on the Equity LT-386SX keyboard produces the number 1; when the Shift and j keys are pressed, the cursor moves to the
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    programs. Using Diskettes Use diskette drives to store data on diskettes and retrieve and use stored data. The Equity LT-386SX has a 1.44MB, 3 '/z-inch diskette drive; it also supports an optional, external 1.2MB, 5 1/4-inch diskette drive. This section explains how diskettes work and tells you how
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    cannot use these high-capacity diskettes. If you are planning to exchange data with a computer that has a 720KB diskette drive, use 720KB diskettes in your Equity LT-386SX. If you have an external, 5 '/,-inch, 1.2MB (high-capacity) diskette drive, use 5 l/4-inch, double-sided, high-density diskettes
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    MS-DOS manuals for information about computer while the diskette drive icon is on. This icon indicates that the computer is copying data to or from a diskette. If you interrupt this process, you may destroy data. 0 Remove all diskettes before you turn off the computer. 2-20 Using the Equity LT-386SX
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    surfaces, they are more easily damaged than 3 '/z-inch diskettes. Always keep 5 '/d-inch diskettes in their protective envelopes when you are not using them. Using the Equity LT-386SX 2-21
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    left side pointing into the computer: Slide the diskette into the drive until it clicks 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. 2-22 Using the Equity LT-386SX
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    diskettes and use only the copies. For general instructions on copying diskettes or hard disk files, see Chapter 3 or your MS-DOS Reference Manual. Write-Protecting Diskettes You can write-protect a diskette diskette to expose a small opening. -write-protect switch Using the Equity LT-386SX 2-23
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    temperature and in normal humidity. Cl Never turn off the computer's power or remove the hard disk when the hard disk icon is on. This icon indicates that the computer is currently copying data to or from the hard disk. If you interrupt this process, you may lose data. 2-24 Using the Equity LT-386SX
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    computer and Epson MENU manuals. Improving Hard Disk Performance MS-DOS includes a program called FASTOPEN, and a device driver called SMARTDRV.SYS, that can improve your hard disk's performance. For information about using these features, see your MS-DOS Reference Manual. Using the Equity LT-386SX
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    .BAT on your hard disk. This file contains instructions MS-DOS executes every time you boot your system from the hard disk. These instructions do the following: 0 Tell MS-DOS where to find its essential system files Cl Allow you to define certain system parameters 2-26 Using the Equity LT-386SX
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    using your computer 0 Allow you to start the MS-DOS Shell program. These instructions ensure that your system starts up properly each time you boot it from the hard disk. See your MS-DOS Installation Guide for details. (between 1 and 18). 3. Press F6 and then Enter. Using the Equity LT-386SX 2-27
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    the computer. This method works even when the keyboard does not respond to your commands. If this does not correct the problem, try the third method. 3. Turn off any peripheral devices and then turn off the LT-386SX. Wait five seconds and then switch the power back on. 2-28 Using the Equity LT-386SX
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    the Computer Before you turn off your computer, save your data, exit the program you are using, and then remove all diskettes from the disk drives. First turn off any peripherals, such as a printer, a monitor, or an external diskette drive. Then turn off the computer. Using the Equity LT-386SX 2-29
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    Computer Your Equity LT-386SX comes with version 4.01 of MS-DOS. MS-DOS manages the routine work of your computer system, such as keeping the computer use advanced features or create your own programs, see your MS-DOS manuals for a complete description of the features of the operating system. This
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    MS-DOS Shell program CI Using the Epson HELP utility Cl Using the Epson MENU utility Cl Using an AUTOEXEC.BAT according to the procedures in the MS-DOS Installation Guide, MS-DOS loads automatically from your hard disk whenever you turn on your computer (provided you do not have a diskette in the
  • Epson Equity LT-386SX | User Manual - Page 78
    that you are operating from drive A. Drive A continues to be the current drive until you log onto a different drive or turn off or reset your computer. To access a program or file on another drive without first logging onto that drive, specify the drive identifier (the name of the drive followed by
  • Epson Equity LT-386SX | User Manual - Page 79
    is not stored in the current drive and directory, you may need to use a pathname when you enter an external command. See your MS-DOS manuals for more information on the command format and for a detailed description of each command. 3-4 Using MS-DOS With Your
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    contains instructions that the computer can understand and execute. The kind of file you create depends on the MS-DOS commands or application program you use to create it. Because each program you use stores data files in its own particular format, you are likely to encounter problems
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    each file, including the filename, the size of the file, and the date and time you last modified the file. 3-6 Using MS-DOS With Your Computer
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    also has two, named PERSONAL and BUSINESS. The PERSONAL subdirectory of WORDPROC also has two subdirectories, named STORIES and LETTERS. Using MS-DOS With Your Computer 3-7
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    basic directory operations are described on the following pages: 0 Listing the contents of a directory LI Using pathnames Cl Creating directories 3-8 Using MS-DOS With Your Computer
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    directories, and so on. Shell is described in the MS-DOS Shell User's Guide. Listing the Contents of a Directory To list the files in the current directory, 4:26p DOS 01-06-89 5:59p HDDPSAVE EXE 1693 03-15-89 10:01a LT 02-31-89 1:43p BENCH 03-29-89 2:24p WORD
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    APRIL.TXT, which is stored in the subdirectory LETTERS, you can specify the pathname like this: LETTERS\APRIL.TXT 3-10 Using MS-DOS With Your Computer
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    : MD \LEDGER\SALES To check that the LEDGER directory is a subdirectory of the root directory, type DIR \ and press Enter. Using MS-DOS With Your Computer 3-11
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    change to the SALES subdirectory while you are working in LEDGER, type the following and press Enter: CD SALES 3-12 Using MS-DOS With Your Computer
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    to copy this file ( \ WORDPROC\ BUSINESS). You must include spaces or commas between each of the three parts as delimiters. Using MS-DOS With Your Computer 3-13
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    hold 1.44MB. Ordinarily you may prefer to use high-density diskettes, because 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. 3-14 Using MS-DOS With Your
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    512 bytes in each allocation unit 2847 allocation units available on disk Volume Serial Number is 3944-14CA Format another (Y/N)? Using MS-DOS With Your Computer 3-15
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    the diskette is formatted, you see this message and prompt: Format complete Volume label (11 characters, ENTER for none)? 3-16 Using MS-DOS With Your Computer
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    files to back up. The BACKUP command has some advantages when you want to back up many files at once. Using MS-DOS With Your Computer 3-17
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    Make sure your original diskette (the one you are copying from) is write-protected. (See Chapter 2 for instructions.) 2. If necessary, log onto drive C. If you are not in the directory containing the file DISKCOPY.COM, in drive A: Press any key to continue . . . 3-18 Using MS-DOS With Your Computer
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    reinsert the source diskette so it can copy the remaining data to the computer's memory (if necessary). Insert the source diskette in drive A and press . 7. DISKCOPY copies the rest of the source diskette's files to the computer's memory and then prompts you to reinsert the target diskette. Insert the
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    the same name for the copy as for the original file, type the following and press Enter: COPY A:REPORT C: 3-20 Using MS-DOS With Your Computer
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    recognizes two wildcard characters: * and ?. The asterisk represents any group of characters and the question mark represents any single character. Using MS-DOS With Your Computer 3-21
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    to the current diskette and the remainder to the next backup diskette. This results in more efficient diskette use. 3-22 Using MS-DOS With Your Computer
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    files that were modified since the last time you ran BACKUP. This process speeds up the backup procedures you perform on a regular basis. For complete instructions on the use of BACKUP and RESTORE, see your MS-DOS Reference Manual. Using MS-DOS With Your Computer 3-23
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    -DOS. It lets you tailor your system to your own needs and manage your programs and data more efficiently. See your MS-DOS Shell User's Guide for complete details. 3-24 Using MS-DOS With Your Computer
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    Using HELP The Epson HELP utility provides on-line information about the MS-DOS commands and programs. You can use HELP in either of two ways: CI To HELP utility. MS-DOS displays the name of the last command you selected at the command prompt for easy reference. Using MS-DOS With Your Computer 3-25
  • Epson Equity LT-386SX | User Manual - Page 101
    when you are ready to display information about the next command. 4. Press ESC again to exit the HELP program. 3-26 Using MS-DOS With Your Computer
  • Epson Equity LT-386SX | User Manual - Page 102
    Using MENU Your Equity LT-386SX comes with an Epson utility called MENU. This program gives you access to several utilities that perform the functions of some of the ; keep highlighting your selection and pressing Enter until you select the operation you want. Using MS-DOS With Your Computer 3-27
  • Epson Equity LT-386SX | User Manual - Page 103
    is a powerful alternative to the MS-DOS MODE command. Help Lets you access the Epson HELP utility. Enter DOS Command Lets you run other MS-DOS commands without leaving the MENU program. See your MS-DOS manual for step-by-step instructions for using each option. 3-28 Using MS-DOS With Your
  • Epson Equity LT-386SX | User Manual - Page 104
    (such as a word processor or spreadsheet program) so MS-DOS loads it automatically when you turn on or reset the computer. D Change the MS-DOS command prompt so it displays the current directory-or your name, or anything else you want. See your MS-DOS Reference Manual for instructions on using the
  • Epson Equity LT-386SX | User Manual - Page 105
    disk. You can also use the MS-DOS COPY command to create an AUTOEXEC.BAT file. Follow these instructions to use the COPY command: 1. At the C : \ > prompt, type the following and press time you start or reset your computer, MS-DOS executes all commands in the AUTOEXEC.BAT file. 3-30 Using MS-DOS
  • Epson Equity LT-386SX | User Manual - Page 106
    to the command prompt before turning off your computer. Using Memory Beyond 640KB Your Equity LT-386SX comes with at least 2MB of random access for certain application programs (for example, Lotus 1-2-3) that support the Lotus/ Intel/Microsoft Expanded Memory Specification (LIM EMS). To use expanded
  • Epson Equity LT-386SX | User Manual - Page 107
    the optional switches explained in the next section to this command line. 4. Press the F6 key, and then press Enter. 5. Reset your computer. This procedure makes the memory in your computer above 1MB available to any application program that supports LIM EMS version 4.0. 3-32 Using MS-DOS With Your
  • Epson Equity LT-386SX | User Manual - Page 108
    you use extended memory above 1MB to emulate expanded memory so that you can use application programs that support LIM 4.0. The full syntax for the command line that activates EMM386.SYS is: DEVICE=[d:][path]EMM386.SYS[size CONFIG.SYS file: DEVICE=EMM386.SYS 1024 Using MS-DOS With Your Computer 3-33
  • Epson Equity LT-386SX | User Manual - Page 109
    or other mappable pages. This parameter is necessary only when there is a conflict with your expansion option board. You can use more than one X: parameter to exclude more than one range of memory. Mx 3 4 5 6 7 8 C000 C400 C800 CC00 D000 D400 D800 DC00 EOOO 3-34 Using MS-DOS With Your Computer
  • Epson Equity LT-386SX | User Manual - Page 110
    DEVICE=EMM386.SYS 512 X:C400-C7FF X:E000-E3FF Once EMM386.SYS is installed in MS-DOS, the Equity LT-386SX displays a message when you turn it on or reset it listing the device parameters. For instance: MICROSOFT part of PRINT installed PRINT queue is empty C:\> Using MS-DOS With Your Computer 3-35
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    Chapter 4 Troubleshooting You should not encounter any difficulties as you set up and use your Equity LT-386SX. 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
  • Epson Equity LT-386SX | User Manual - Page 112
    both the computer (or the battery on. 3. If the computer still does not start, computer still won't start, contact your Epson dealer. The LCD Screen Is Blank If the computer starts but no image appears on the LCD screen, follow these steps to solve the problem simultaneously. The computer beeps once to
  • Epson Equity LT-386SX | User Manual - Page 113
    video driver from the Equity LT-386SX Reference diskette. 5. If you still do not see an image on the screen, contact your Epson dealer. The Monitor Screen Is Blank If you are using an external color monitor and no image appears on its screen, follow these steps to solve the problem: 1. Be sure the
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    up after you've waited a reasonable amount of time, follow the steps in Chapter 2 to reset the computer. Diskette Problems If you have trouble with a diskette, follow these steps to define the problem: 1. Is the diskette damaged? To find out, use DISKCOPY to make a copy of the diskette. Using the
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    your Epson dealer. Diskette Drive Problems If you are having problems problem is with the external drive, be sure that DIP switch 7 is OFF. (See Appendix A.) 3. If your problem is with the external drive, have you defined the drive correctly to the Equity LT-386SX by running SETUP? Troubleshooting
  • Epson Equity LT-386SX | User Manual - Page 116
    the instructions for setting up the hard disk in your MS-DOS Installation Guide. If the hard disk still does not work, 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. 4-6 Troubleshooting
  • Epson Equity LT-386SX | User Manual - Page 117
    you are not using these settings, you need to define your system configuration using these switches. Then return to Chapter 1 to finish setting up your computer. Setting the DIP Switches The Equity LT-386SX has one set of DIP switches that you access from the bottom of the
  • Epson Equity LT-386SX | User Manual - Page 118
    To locate the DIP switches, follow these steps: 1. Remove the expansion slot cover on the left side of the computer. Press down on the release tab and lift off the expansion slot cover. 2. Pull out the carrying handle. 3. Turn the computer upside down with the handle away from you. A-2 DIP Switches
  • Epson Equity LT-386SX | User Manual - Page 119
    4. Remove the expansion card cover as shown below. Lift up on the two tabs while you press on the grated squares to release the cover. Slide the cover away from you (toward the handle). The DIP switches are located on the right side of the computer. DIP Switches A-3
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    Because the computer is upside down, the DIP switch numbers are upside down and the ON/OFF orientation is reversed. Take care when changing a DIP switch setting that
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    . By turning switch 1 to OFF, you define the internal diskette drive as B and the optional external drive as A. Switch 2 defines the primary display. The LT-386SX recognizes the LCD as the primary display, unless it detects that an external monitor has been connected to the RGB VIDEO port. If an
  • Epson Equity LT-386SX | User Manual - Page 122
    on the Equity LT-386SX conflicts with the serial port on an option card you have installed, you will not be able to use the port on the option card unless you disable the internal serial port. Switch 5 defines the internal parallel port (labeled PRINTER on the right side of the computer) as LPT1
  • Epson Equity LT-386SX | User Manual - Page 123
    After you verify or change your DIP switch settings, you need to replace the expansion card cover. Follow these steps: 1. Set the cover on the computer and slide it back into position as shown below. Press firmly until the cover snaps into position. 2. Turn the
  • Epson Equity LT-386SX | User Manual - Page 124
    3. Replace the expansion slot cover on the left side of the computer. The cover has two tabs that fit into slots on the computer's cover. 4. Lift the cover up into place and slide the release tab up to secure the cover. 5. Slide the handle back into place. A-8 DIP Switches
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    coprocessor. Connecting an External Color Monitor If you plan to use an external monitor with your Equity LT-386SX, follow the instructions below to connect it to your computer. 1. Be sure both the computer and monitor (as well as any other peripheral devices) are turned off. 2. Place your monitor
  • Epson Equity LT-386SX | User Manual - Page 126
    5. Connect the appropriate end of the monitor cable to the port marked RGB VIDEO on the right side of the computer, as shown below. RGB VIDEO port 6. If the connector has retaining screws, tighten them with a screwdriver. 7. If necessary, plug the monitor's power cable into the
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    DIP switch 7 is OFF (the factory setting). 3. Place the external diskette drive near the Equity LT-386SX. 4. Lower the interface cover on the front, right side of the computer (when the front of the computer is facing you). 5. Connect the interface cable from the external diskette drive to the EXT
  • Epson Equity LT-386SX | User Manual - Page 128
    . Now run the SETUP program, as described in Chapter 1. Installing the Internal Modem Follow these steps to install the optional, Epson internal modem in your Equity LT-386SX. 1. Make sure the computer is turned off. 2. Press down on the release tab to lower the modem cover on the back, left side of
  • Epson Equity LT-386SX | User Manual - Page 129
    cover. 6. Connect the modem to a phone line. Installing the RAM Card Follow these steps to install the optional Epson 2MB RAM card in your LT-386SX: 1. Make sure the computer is turned off. 2. Turn the computer so that its right side is facing you, as shown below. Press down on the release tab to
  • Epson Equity LT-386SX | User Manual - Page 130
    in Chapter 1. Connecting an External Keyboard You can attach an external keyboard to your LT-386SX. The socket for the external keyboard is on the front, right side of the computer. Follow these steps: 1. Make sure the computer is turned off. 2. Lower the interface cover on the front, right side of
  • Epson Equity LT-386SX | User Manual - Page 131
    card in your LT-386SX. You can install a 2/4ze option card provided it physically fits in the expansion slot on the LT-386SX. You cannot install a full-length option card. Also, you cannot install an 8-bit card that interferes with the 16-bit connector inside the computer. Installing Options B-7
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    An option card must meet certain power supply requirements. The option card cannot draw more than the specified current (Amps): + 12 Volts -5 Volts -12 Volts 0.1 Amps 0.05 Amps 0.05 Amps The option card must not interfere with options installed in the internal ports. For example, if you install
  • Epson Equity LT-386SX | User Manual - Page 133
    Follow these steps to install an option card: 1. Turn off the computer and disconnect all cables, including the AC adapter. 2. Remove the expansion slot cover on the left side of the computer. Press down on the release tab and lift off the expansion slot cover. 3. Pull out the carrying handle. 4.
  • Epson Equity LT-386SX | User Manual - Page 134
    5. Remove the expansion card cover as shown below. Lift up on the two tabs while you press on the grated squares to release the cover. Slide the cover away from you (toward the handle). 6. Remove the bracket on the side of the computer. B-10 Installing Options
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    expansion slot. Insert the connector directly into the socket. Secure the card with the screw you removed from the bracket. 8. Set the cover on the computer and slide it back into position as shown below. Press firmly until the cover snaps into position. Installing Options B-11
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    side up with the handle facing you. 10. Replace the expansion slot cover on the left side of the computer. The cover has two tabs that fit into slots on the computer's cover. 11. Lift the cover up into place and slide the release tab up to secure the cover. 12. Slide
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    can install a math coprocessor in your Equity LT-386SX easily. If your software supports a math coprocessor, it processes mathematical calculations much faster than without the coprocessor. Follow these steps to install the coprocessor: 1. Turn off the computer, close it, and disconnect all cables
  • Epson Equity LT-386SX | User Manual - Page 138
    Appendix C Specifications Main Unit CPU 80386SX microprocessor; 8 MHz or 16 MHz clock speed, selectable through , asynchronous, 9-pin, D-type male connector Video 15-pin, female connector; supports VGA monitor External diskette drive 15-pin, D-type female connector External keyboard Keyboard
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    Memory Modem Clock/calendar Keyboard Mass Storage Hard disk Diskette drives Display Internal RAM memory card slot; allows expansion to 4MB Internal modem slot; 34-pin male connector Real-time clock and calendar with battery backup 85 sculptured keys; status indicator bar icons for Num Lock, Caps
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    the RGB VIDEO port before power on External RGB monitor supported (VGAcompatible) Power Supply Externally attached, rechargeable NiCad battery pack 3 hours 12/5-volt AC adapter (can recharge battery pack while operating computer) with automatic 120-240V sensing Power Requirements 120-240 VAC, 50/
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    cards Carrying case Internal 2400-baud, Hayes-compatible, auto-dial 2MB RAM expansion card One 2/+size, IBM PC AT-compatible slot Soft case for carrying computer C-4 Specifications
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    program, you can create a database that records the location of faulty memory chips, if any exist. This database displays a graphic representing your computer's memory board and identifies the faulty chips. Once you select a test, you need to specify how long to run it. You use the Run Time
  • Epson Equity LT-386SX | User Manual - Page 143
    1. Insert the Reference diskette in drive A. 2. Turn on or reset the computer. 3. At the MS-DOS prompt, type the following and press Enter: memory chips that are causing memory errors. To graphically represent the memory board on the screen, you need to identify your system's memory configuration.
  • Epson Equity LT-386SX | User Manual - Page 144
    EPSON and press Enter. 2. Type the computer's model number (from 1 to 8 characters) and press Enter in response to this prompt: model number (maximum 8 characters) For example, type LT-386SX pressing Enter. When you see the diagram of the motherboard, press ESC to continue the diagnostics. If a
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    information, and the date and time appear at the top of the screen. The options line shows these categories of tests: System Board, Memory, Hard Disk, Floppy, Keyboard, Video, and Miscellaneous. After you select a category, the diagnostics program provides a submenu of the available diagnostics
  • Epson Equity LT-386SX | User Manual - Page 146
    The Run Time Parameters window lets you specify how long you want the test to run, whether you want the program to notify you of each error as it occurs, and whether to create a log of all errors that occur during testing. The Help window shows the keys you use to make menu selections. A short
  • Epson Equity LT-386SX | User Manual - Page 147
    Selecting Diagnostics Tests This section describes the various ways you can select the tests you want to run. To start a single test, move the cursor to highlight the test category on the main menu. Then move the cursor to the submenu and highlight the test you want to perform. Press Enter to start
  • Epson Equity LT-386SX | User Manual - Page 148
    You cannot include certain tests in a group. The tests that must run separately include: System Board Hard Disk Floppy Keyboard Miscellaneous Timer test Real Time Clock test Hard Disk Format Auto Interleave Media Analysis Force Bad Tracks Disk Change Line Test
  • Epson Equity LT-386SX | User Manual - Page 149
    Type T and press Enter to run the selected tests in Timebound mode. In Timebound mode, the program runs the tests for the amount of time you specify. Type C and press Enter to run the selected tests in Continuous mode. In Continuous mode, the tests run until you interrupt them. Type P and press
  • Epson Equity LT-386SX | User Manual - Page 150
    Next, the program requests information it needs to perform the type of testing you selected. Timebound Testing If you selected 'Timebound testing, you see this prompt: Period :001 hr 00 min Specify the amount of time you want to run the selected test(s). Type the number of hours, from 000 to 999,
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    If you specify a number larger than 65535, the program subtracts 65536 from your entry to determine how many times to run the test. For example, if you enter a value of 65540, the test runs four times. Error Logging When you request error logging, the program displays the following pop-up window:
  • Epson Equity LT-386SX | User Manual - Page 152
    After selecting error logging, the program uses this device (and/or disk drive) for error logging until you indicate you do not want error logging. You can then specify a new device and/or disk drive by selecting error logging in the Run Time Parameters window. When you specify a new device and/or
  • Epson Equity LT-386SX | User Manual - Page 153
    tests, you can stop the testing and return to the System Board submenu of tests by pressing Ctrl Break. The program completes the Epson dealer. Your dealer may be able to solve the problem; if not, he or she can refer you to an authorized Epson Customer Care Center. If necessary, call the Epson
  • Epson Equity LT-386SX | User Manual - Page 154
    verifies the operation of each major component on the system board. It checks the instructions, registers, and flags of the CPU. When the test completes successfully, you see this message: Basic functionality test of CPU passed OK. CPU Protected Mode Test This test switches to protected mode and
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    speed and displays a message similar to this: Measure CPU speed in Megahertz = 16.00 Coprocessor Test This test checks the math coprocessor. If the math coprocessor is not installed, you see this message: Numeric Data processor not present. DMA Controller Test This test performs read/write tests
  • Epson Equity LT-386SX | User Manual - Page 156
    Interrupt Controller Test This test performs read/write tests on the interrupt mask registers and checks for invalid interrupts. During the test, you see this message: Testing Programmable Interrupt Controller . . . . When the test completes successfully, you see this message: Programmable Interrupt
  • Epson Equity LT-386SX | User Manual - Page 157
    RTC Test This test verifies the accuracy of the real time clock by comparing it to the timer 0 interrupt. During the test, you see this message: Testing Real Time Clock.... When the test completes successfully, you see this message: Real Time Clock test passed. CMOS Validity Test This test checks
  • Epson Equity LT-386SX | User Manual - Page 158
    Memory submenu provide a complete diagnostics check of the system's built-in memory. BIOS ROM Test Parity test Pattern test Walking l's test Walking O's test Address test a database, the program displays the diagram of the motherboard and highlights the faulty memory chip. System Diagnostics D-17
  • Epson Equity LT-386SX | User Manual - Page 159
    ROM Test This test checks the data path of the BIOS ROM. When the test completes successfully, you see this message: System ROM module test passed. Parity Test This test checks for parity errors in memory.
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    Walking 1's Test This test checks the voltage in the data lines for any shorts and checks for any data bits that are always 1. During the test, you see this message: Testing from absolute base xxxxxxxxh When the test completes successfully, you see this message: Walking 1s test in memory passed OK.
  • Epson Equity LT-386SX | User Manual - Page 161
    Refresh Test This test checks the refresh interval. If an error occurs, the program displays this message: Failure in Refresh test. When the test completes successfully, you see this message: Refresh test passed OK. Hard Disk Diagnostics The tests listed in the Hard Disk submenu provide a complete
  • Epson Equity LT-386SX | User Manual - Page 162
    Disk drive identifier The program displays the following prompt for the disk drive identifier: Disk Drive (C/D) ? c If only one hard disk is connected to the computer, the program assumes it is drive C and does not request a response to this prompt. System Diagnostics D-21
  • Epson Equity LT-386SX | User Manual - Page 163
    Disk drive type The program displays the following prompt for the disk drive type: Disk Drive type ? 2 Select drive type 2 for a 20MB drive or drive type 17 for a 40MB drive. The program determines the type of hard disk drive based on the settings in CMOS RAM. A pop-up window on the screen lists
  • Epson Equity LT-386SX | User Manual - Page 164
    entry Clear Bad Track list Save and Exit You do not need to enter a bad track list for the hard disk that comes with the Equity LT-386SX. When you execute the Media Analysis test, the program automatically marks the bad tracks when it formats the hard disk. Start and end cylinder numbers
  • Epson Equity LT-386SX | User Manual - Page 165
    test when installing a new hard disk in your computer. It preformats your hard disk on the hardware reformat a hard disk if you have a serious problem with the drive. However, before executing this other recovery procedure described in your operating system manual. Then back up all data on the
  • Epson Equity LT-386SX | User Manual - Page 166
    When you select Hard Disk Format, the program requests the following hard disk parameters: Disk drive identifier Disk drive type Interleave factor Bad track list (optional) Start cylinder number End cylinder number Start head number End head number If you do not specify the bad track list, the
  • Epson Equity LT-386SX | User Manual - Page 167
    When you select Auto Interleave, the program requests the disk drive identifier and disk drive type. After you specify the parameters, you see these messages: WARNING All d a t a o n H a r d d i s k y o u h a v e specified may be LOST... Do y o u s t i l l w a n t t o c o n t i n u e ( Y / N ) ?
  • Epson Equity LT-386SX | User Manual - Page 168
    The program displays the following messages after you specify the hard disk parameters: WARNING All data on Hard disk you have specified may be LOST... Do you still want to continue (Y/N)? Press Y and Enter to start analyzing the hard disk. Press N and Enter to stop the operation. Performance Test
  • Epson Equity LT-386SX | User Manual - Page 169
    When you select the Performance Test, the program requests the disk drive identifier and disk drive type. Seek Test This test checks the seek capability of the hard disk on the specified range of cylinders and heads. The program performs a series of sequential seeks followed by random seeks. It
  • Epson Equity LT-386SX | User Manual - Page 170
    Check Test Cylinder This test checks the test cylinder, which is the last cylinder on the hard disk. Perform this test if you receive a hard disk error when you boot the system. When you select Check Test Cylinder, the program requests the disk drive identifier and disk drive type. Force Bad Tracks
  • Epson Equity LT-386SX | User Manual - Page 171
    Press Y and Enter to start the test. Press N and Enter to stop the operation. Hard Disk Error Messages The program displays two types of error messages while testing the hard disk: messages the program itself generates and those the controller generates. The following message appears if you attempt
  • Epson Equity LT-386SX | User Manual - Page 172
    Floppy Disk Diagnostics The tests listed in the Floppy Disk submenu provide a complete diagnostics check of the system's diskette drive. Diskette Format 1 Drive Speed Test Random R/W Test Sequential R/W Test Disk Change Line Test Floppy disk diagnostics tests may be destructive or
  • Epson Equity LT-386SX | User Manual - Page 173
    Diskette Format This test checks the format of the floppy disk controller and drive. It does not format the diskette for any particular operating system. This test destroys all data on the diskette. Drive Speed Test This test verifies how fast the floppy drive rotates a diskette. Your internal, 1.
  • Epson Equity LT-386SX | User Manual - Page 174
    messages during the Disk Change Line test: Warning - Change line in-operational This message appears if the line is not working properly. This may indicate a problem exists with the floppy drive or the controller. System Diagnostics D-33
  • Epson Equity LT-386SX | User Manual - Page 175
    CHANGE LINE Not Available The program displays this message if you attempt to run the Change Line Test on a drive that does not support a change line, such as a 360KB or 720KB drive. The controller displays one of the following messages when an error occurs during a diagnostics procedure: BAD
  • Epson Equity LT-386SX | User Manual - Page 176
    Controller Test This test checks the keyboard controller. Scan/ASCII Code Test This test checks the scan codes assigned to the keys on the keyboard. When you select this test, the program displays the layout of your keyboard on the screen. When you press a key, the program displays the scan code and
  • Epson Equity LT-386SX | User Manual - Page 177
    a complete diagnostics check of the video adapter. Use these tests to check the operation of the LCD or monitor connected to your computer. Adapter Test Attribute Test 80x25 Display Test 40x25 Display Test 320x200 Graphics Test 640x200 Graphics Test Page Selection Test Color Test 640x350 Graphics
  • Epson Equity LT-386SX | User Manual - Page 178
    40x25 Display Test This test checks the 40x25 display feature of the display adapter. 320x200 Graphics Test This test checks the 320x200 graphics display feature of the display adapter. (In LCD mode, colors are converted to 16 shades of gray.) 640x200 Graphics Test This test checks the high
  • Epson Equity LT-386SX | User Manual - Page 179
    the Adapter Test: DISPLAY MEMORY R/W ERROR The Adapter Test detected a read/write error in the display memory. This indicates a problem with the display controller. Contact your dealer. Miscellaneous Diagnostics The tests listed in the Miscellaneous submenu provide a complete diagnostics check of
  • Epson Equity LT-386SX | User Manual - Page 180
    You may see one of the following error messages during this test: Error Error Error Error - Printer Out of Paper - Printer Not Selected - Printer Interface I/O - Time Out On Printer Error Check that the printer is on-line, paper is loaded, and all connections are secure. Communication Adapter
  • Epson Equity LT-386SX | User Manual - Page 181
    during this test: Error - Break Detected Error - Framing error Error - Overrun error Error - Parity error Error - Time out! These error messages indicate a problem with the controller or with the test cable. Make sure the test connector is secure. If the error persists, contact your dealer. D-40
  • Epson Equity LT-386SX | User Manual - Page 182
    Keyboard Scan/ASCII Codes Print Screen (SYSRq) Scroll Lock Num Lock Home t Page Up F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 ** No codes - Ignored ** ** ** 29 60 ** ** 0C 2D 47 EO 48 EO 49 EO 0C 2D 3B 00 3C 00 3D 00 3E 00 3F 00 40 00 41 00 42 00 43 00 44 00 85 00
  • Epson Equity LT-386SX | User Manual - Page 183
    ** No codes - Ignored D-42 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 184
    ** No codes - Ignored System Diagnostics D-43
  • Epson Equity LT-386SX | User Manual - Page 185
    C V b n m , (comma) / Right Shift Alt \ [space bar] Caps Lock Insert Delete Shift SysRq Shift ' (~) Shift Num Lock Shift Scroll Lock Shift - (-) Shift Home Shift t Shift Page Up Num Lock P ** No codes - Ignored D-44 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 186
    Shift F1 Shift F2 Shift F3 Shift F4 Shift F5 Shift F6 Shift F7 Shift F8 Shift F9 Shift F10 Shift F11 Shift F12 Shift = (+) Shift t Shift + Shift Esc Shift 1 (!) Shift 2 (@) Shift 3 (#) Shift 4 ($) Shift 5 (%) Shift 6 (^) Shift 7 (&) Shift 8 (*) ** No codes - Ignored 54 00 55 00 56 00 57 00
  • Epson Equity LT-386SX | User Manual - Page 187
    _ Shift 9 (0 0A 28 Shift 0 0) 0B 29 Shift End 4F E0 Shift 1 50 E0 Shift Page Down 51 E0 Shift t (bksp) 0E 08 Shift Tab OF 00 Shift Q 10 51 Shift W 11 57 Shift E 12 45 Shift R 13 52 Shift T 14 54 Shift Y 15 59 Shift U 16 55 Shift I 17 49 Shift O 18 4F
  • Epson Equity LT-386SX | User Manual - Page 188
    Shift F 21 Shift G 22 Shift H 23 Shift J 24 Shift K 25 Shift L 26 Shift ; (:) 27 Shift ' (") 28 Left Shift ** Shift Z 2C Shift X 2D Shift C 2E Shift V 2F Shift B 30 Shift N 31 Shift M 32 Shift, () 34 Shift / (?) 35 Left Shift Right Shift **
  • Epson Equity LT-386SX | User Manual - Page 189
    ** No codes - Ignored D-48 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 190
    ** No codes - Ignored System Diagnostics D-49
  • Epson Equity LT-386SX | User Manual - Page 191
    ** No codes - Ignored 14 14 15 19 16 15 17 09 18 OF 19 10 1A 1B 1B 1D 1C 0A 2B 1C 1E 01 1F 13 20 04 21 06 22 07 23 08 24 0A 25 0B 26 0C - - - - ** ** 2C 1A 2D 18 D-50 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 192
    ** No codes - Ignored System Diagnostics D-51
  • Epson Equity LT-386SX | User Manual - Page 193
    ** No codes - Ignored D-52 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 194
    ** No codes - Ignored System Diagnostics D-53
  • Epson Equity LT-386SX | User Manual - Page 195
    ** No codes - Ignored D-54 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 196
    ** No codes - Ignored System Diagnostics D-55
  • Epson Equity LT-386SX | User Manual - Page 197
    Num Lock Shift J 4F 00 Num Lock Shift K 50 00 Num Lock Shift L 51 00 Num Lock Shift ; 4E 2B Num Lock Shift M 52 00 Num Lock Shift > 53 00 Num Lock Shift / - ** No codes - Ignored D-56 System Diagnostics
  • Epson Equity LT-386SX | User Manual - Page 198
    OS/2 (version 1.1) for your Equity LT-386SX, you need to install the LCD video driver Epson has provided on your Reference diskette to run OS/2 on the LCD display. The steps below describe how to install this file. 1. Follow the instructions in your MS-DOS 4.01 Installation Guide to install MS-DOS
  • Epson Equity LT-386SX | User Manual - Page 199
    disk onto the copy you made of the OS/2 Installation diskette, type the following and press Enter: COPY C:BVSCALLS.DLL A: 6. Follow the instructions in your OS/2 Setup Guide to install OS/2 and use the copy of the OS/2 Installation diskette you made. Adding the Driver After OS/2 Is Installed If you
  • Epson Equity LT-386SX | User Manual - Page 200
    Enter: COPY CONFIG.SYS+CON: CONFIG.SYS 4. Type the following and press Enter: LIBPATH=C:\OSZ\DLL 5. Press F6 and then press Enter. 6. Reboot the computer. 7. Delete the files in the LCD directory, and then delete the LCD directory. The reason this procedure is required after OS/2 has been installed
  • Epson Equity LT-386SX | User Manual - Page 201
    display for certain graphics scrolling programs). Using Microsoft Windows/386 Epson provides LCD video drivers for Windows/386 on your Reference diskette. If you have purchased Microsoft Windows/386 (version 2.11), for your Equity LT-386SX, you can use these drivers to display Windows/386 on your
  • Epson Equity LT-386SX | User Manual - Page 202
    on which you are installing Windows/386, select: COMPAQ 80386-Based Personal Computers and compatibles 5. The next menu shows a list containing the display adapter, keyboard type, and mouse that the Setup program has assumed the LT-386SX has. Use the down arrow key to highlight VGA in this list and
  • Epson Equity LT-386SX | User Manual - Page 203
    Using Microsoft Windows, Version 3.0 Epson provides drivers to allow Microsoft Windows (version 3.0) to function properly on the LCD. If you have purchased this version of Windows for your Equity LT-386SX, follow the steps below to install these drivers: 1. Follow the instructions in the Windows
  • Epson Equity LT-386SX | User Manual - Page 204
    documentation and on the screen. Using VGARAM The VGARAM utility loads the contents of the video BIOS into the MS-DOS memory area. This increases the display speed for the Equity LT-386SX. Follow these steps to use VGARAM: 1. Insert your Reference diskette into the diskette drive. 2. Type A : and
  • Epson Equity LT-386SX | User Manual - Page 205
    to log onto drive A. 3. Type SCROLL and press Enter. You see the following message: Extended panel support enabled. The SCROLL utility remains active in memory until you reset or turn off the Equity LT-386SX. If you frequently need to use SCROLL, you may want to add this utility to your AUTOEXEC.BAT
  • Epson Equity LT-386SX | User Manual - Page 206
    ; the central processing unit (CPU) of your Equity LT-386SX. The CMOS-type chip provides low power consumption. 80387SX A special-purpose CMOS integrated circuit used to assist the 80386SX and speed up certain kinds of mathematical calculations. The computer's motherboard has a socket to accommodate
  • Epson Equity LT-386SX | User Manual - Page 207
    . Backup A copy of a program, data file, or disk, kept in case the original is damaged or lost. Base memory The amount of memory in the computer below 1MB that is available to MS-DOS and application programs--usually 640KB. Also called main memory. Batch file A text file containing one or more
  • Epson Equity LT-386SX | User Manual - Page 208
    BIOS Basic Input/Output System. Routines in ROM memory that handle basic input/output functions of the operating system. Bit A binary digit (0 or 1). The smallest unit of information a computer can store. Eight bits make one byte. Boot To load a program or an operating system into the computer's
  • Epson Equity LT-386SX | User Manual - Page 209
    -power memory in your Equity LT-386SX that records information about your system's configuration. Unlike ordinary RAM, CMOS RAM is backed up by a small battery and is not erased when you turn off the computer. Code A system of symbols for representing data or instructions. Also, any software program
  • Epson Equity LT-386SX | User Manual - Page 210
    drive while you are using it. Some also require the computer to be running at 8 MHz instead of 16 MHz. CPU Central Processing Unit. The integrated circuit (chip) responsible for interpreting program instructions, performing calculations, and controlling input and output operations. CRT Cathode
  • Epson Equity LT-386SX | User Manual - Page 211
    CRT connector The socket on the side of your Equity LT-386SX where you plug in the cable of a VGA A cylinder on a hard disk is similar to a track on a diskette. Data The information a computer stores or processes. Data diskette A formatted diskette you use to store data files. Data file This term
  • Epson Equity LT-386SX | User Manual - Page 212
    The tests and procedures the computer performs to check its internal circuitry and set up its configuration. DIP switch A small, two-position switch you use to supply configuration information to the computer (or to a device). DIP stands for Dual Inline Package. The LT-386SX has one set of eight
  • Epson Equity LT-386SX | User Manual - Page 213
    A general term meaning either a diskette or a hard disk. Disk drive The physical device (either a hard disk drive or a diskette drive) that allows the computer to read from and write to a disk. A diskette drive has a slot into which you insert a diskette. A hard disk is permanently sealed inside its
  • Epson Equity LT-386SX | User Manual - Page 214
    instructions in the file, type its name at the command prompt (with or without the extension). Execution speed The speed at which the CPU can execute commands. The Equity LT-386SX your Equity LT-386SX, for example, to connect a 2/3-size, IBM ATcompatible option card, such as a LAN card or FAX board.
  • Epson Equity LT-386SX | User Manual - Page 215
    called records or entries) stored together on a disk. Text files consist of words and sentences. Program files consist of code. Computers use program files to perform instructions. Filename A name of up to eight characters MS-DOS uses to identify a file. FL. backlighting The LCD screen panel type
  • Epson Equity LT-386SX | User Manual - Page 216
    disk can process data more rapidly and can store many more files than a diskette. Hardware Any physical component of a computer system, such as a monitor, printer, keyboard, or CPU. Hexadecimal A base 16 numbering system commonly used by programmers. Hidden file A file whose name is not listed by
  • Epson Equity LT-386SX | User Manual - Page 217
    in a computer's memory or on a disk. One kilobyte equals 1,024 bytes. LCD Liquid Crystal Display. A form of flat panel display. LED Light-emitting diode. An indicator light like those used for the LT-386SX battery and external diskette drive. LIM EMS 4.0 Version 4.0 of the Lotus/Intel/Microsoft
  • Epson Equity LT-386SX | User Manual - Page 218
    memory, disk drives, and other supporting circuitry. Megabyte (MB) A unit used to measure storage space in a computer's memory or on a disk computer's internal timing clock. One megahertz is one million cycles per second. The Equity LT-386SX operates at 8 or 16 MHz. Memory The area where the computer
  • Epson Equity LT-386SX | User Manual - Page 219
    line. Monitor The screen of a CRT. Motherboard The main circuit board of your computer. Also called the system board. MS-DOS An operating system from Microsoft that comes with your computer. See Operating system. NiCad The type of battery used by your Equity LT-386SX. NiCad stands for nickel-cadmium
  • Epson Equity LT-386SX | User Manual - Page 220
    system by Microsoft. Option card A circuit board you install in a slot in your main unit. Option cards provide additional capabilities, such as a mouse, fax, or network. You can access the expansion slot on the LT-386SX from the bottom of the computer. Parallel A type of interface that transmits
  • Epson Equity LT-386SX | User Manual - Page 221
    performs automatically every time you turn it on. Power-on self-test See Power-on diagnostics. Program A disk file that contains coded instructions telling the computer what to do and how to do it. Prompt A message on the screen that requests information or tells you the action you need to perform
  • Epson Equity LT-386SX | User Manual - Page 222
    work. All data stored in RAM is erased when you turn off the computer, so you must store any data you want to save on a diskette or area to another. For example, when you open a text file stored on disk, the computer reads the data from the disk and displays it on the screen. Read/write head The
  • Epson Equity LT-386SX | User Manual - Page 223
    serial interface. You can easily connect an RS-232C-compatible device to your Equity LT-386SX. Scratch RAM A portion of RAM used for running OS/2, VDISK, or certain other programs. The SETUP menu gives you the option to choose BIOS stack area 30:00 or the top of base memory as the location for
  • Epson Equity LT-386SX | User Manual - Page 224
    computer. In SETUP you define the configuration settings for your Equity LT-386SX. Shadow RAM The feature provided by the Equity LT-386SX that allows you to copy ROM BIOS defined in SETUP, it turns off the LCD backlighting, reduces the CPU speed to 8 MHz, and decreases the VGA controller clock rate.
  • Epson Equity LT-386SX | User Manual - Page 225
    . Switch An option you can add to an MS-DOS command that affects the way the command works. Also see Parameter and DIP switch. System board See Motherboard. System diskette A diskette from which you can boot the operating system. An MS-DOS system diskette must contain the file COMMAND.COM plus two
  • Epson Equity LT-386SX | User Manual - Page 226
    Track A circular region on a diskette, which is divided into sectors. Each side of a 1.44MB or 720KB diskette has 80 concentric tracks. Each side of a 360KB 5 '/,-inch diskette has 40. On a hard disk, tracks are called cylinders. Utility program A type of application program designed to perform
  • Epson Equity LT-386SX | User Manual - Page 227
    Write-protect To prevent a diskette from being overwritten. When a diskette is write-protected, you cannot erase, change, or record over its contents. 22 Glossary
  • Epson Equity LT-386SX | User Manual - Page 228
    , 1, 3, 1-3, 2-1 -2, 2-4 -7, C-3 charge, preserving, 1-17, 1-24, 2-1, 2-3 -4, 2-11 charging, 2-14 connecting, 2-4-6 recharging, 2-14 removing, 2-6 using, 2-2-6 BIOS, 1-23, D-17 -20, F-4 Brightness, 1-17, 2-3, 4-2, C-2 adjusting, 1-17, 2-3,4-2 lever, 1-17, 2-3, 4-2 BVSCALLS.DLL, E-1 -3 C Caps Lock
  • Epson Equity LT-386SX | User Manual - Page 229
    Computer, resetting, 1-15, 1-18-19, 1-23-24, 2-28, 4-4 starting, 1-15 -16, 4-1 -2 storing, 2-10, C-4 turning off, 1-11, B-1 B-13 COPY command, 2-20, 3-13, 3-17, 3-20 -22,4-4 Copying data, 3-13, 3-17 -23, 4-4 CPU clock speed, 2, 1-17-18, 1-20, 1-23 -24, 2-3, 2-7, 2-11, C-1 changing, 2, 1-23, 2-3, 2-
  • Epson Equity LT-386SX | User Manual - Page 230
    , 1-1, 1-21, 2-7, A-4 -6 Diskettes, 3i/2-inch, 2-18 -21 5'/+inch, 2-18 -21 caring for, 2-20 choosing, 2-19 formatting, 3-14 -17 inserting, 2-22 problem-solving, 4-4 -5 removing, 2-22 using, 2-18-24 write-protecting, 2-23 Display, primary, 1-1, 1-11, 1-22, A-4 -5 type, l-l, 1-18, 1-22 See also LCD
  • Epson Equity LT-386SX | User Manual - Page 231
    -30 installing, 1-4 -7 turning off, 2-3, 2-26 -27 types, 1-18, 1-20-21, 1-25, D-22 using, 2-23-26 Hard disk performance, 2-25, D-22 Hard disk problems, 4-6 HDDPSAVE utility, 2-3, 2-26 -27 HELP utility, 4, 3-25 -28 using, 3-25-26 Help, MENU, 3-27-8 I Install diskette, inserting, 1-26 -27 Installation
  • Epson Equity LT-386SX | User Manual - Page 232
    17-24,3-26-30 diskettes, 1-3, 1-26 -27,3-2 exiting, 3-2 files, 1-27, 3-3, 3-5-6 installation program, 3, 1-7, 1-26 -27 See also SELECT' program manuals, 3-4, 1-3, 3-1 operating system, 3-4, 3-1 -35 starting, 3-2 using, 3-1 -35 MS Windows, F-1 -4 N Num Lock, 2-8, 2-16 -18, C-2, D-41 -42, D-44, D-51
  • Epson Equity LT-386SX | User Manual - Page 233
    1-18, 1-20, 1-23 shadow RAM, 1-19, 1-20, 1-23 See also Memory Read-only memory (ROM), 1-18, 1-23, 1-25, D-17 -20 BIOS 1-23, D-l 7-20, F-4 Real-time clock, C-2 Reference diskette, 1-3, 2-12, 2-26, D-2, E-1 -2, F-1 -5 Registration card, 1-3 RESET button, 2-28 RESTORE command, 3-23 Reverse video mode
  • Epson Equity LT-386SX | User Manual - Page 234
    -11, 1-19, A-1 -6 Switches, MS-DOS, 3-4, 3-32 System, configuration, 1-2, A-1 starting, 1-15-17 T Target, diskette, 3-19 -20 file, 3-20 Troubleshooting, 4-1 -6 Type, 1-20 -21, 1-25, D-21 -22 V VGA, 2, 6, 1-20, 1-22, 1-24 -25, 2-12, 4-3, C-1, C-3, D-38, F-1 -4 VGARAM, F-4 Video, card, B-8 controller
  • Epson Equity LT-386SX | User Manual - Page 235
    ernal diskette drive e x ternal keyboard port serial port external diskette port external monitor port status indicator bar expansion slot cover handle
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EQUITY™LT™-386SX
User’s Guide
EPSON
®