Epson EQUITY 3865X-20 PLUS User Manual

EPSON

EQUITY 3865X/20 PLUS

U s e r’s G u i d e

EPSON®

EQUITY 386SX/20 PLUS

USER’S GUIDE

X-EQ386-20PLUS

FCC COMPLIANCE STATEMENT FOR AMERICAN USERS

This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio or

television reception. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio and television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna

Increase the separation between the equipment and receiver

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected

Consult the dealer or an experienced radio/TV technician for help.

WARNING

The connection of a non-shielded equipment interface cable to this equipment will invalidate the FCC Certification of this device and may cause interference levels which exceed the limits established by the FCC for this equipment. It is the responsibility of the user to obtain and use a shielded equipment interface cable with this device. If this equipment has more than one interface connector, do not leave cables connected to unused interfaces.

Changes or modifications not expressly approved by Epson America, Inc., could void the user’s authority to operate the equipment.

FOR CANADIAN USERS

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications.

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IMPORTANT NOTICE

DISCLAIMER OF WARRANTY

Epson America makes no representations or warranties, either express or implied, by or with respect to anything in this manual, and shall not be liable for any implied warranties of merchantability and fitness for a particular purpose or for any indirect, special, or consequential damages. Some states do not allow the exclusion of incidental or consequential damages, so this exclusion may not apply to you.

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of 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. Nor is any liability assumed for damages resulting from the use of the information contained herein. Further, this publication and features described herein are subject to change without notice.

TRADEMARKS

Epson is a registered trademark of Seiko Epson Corporation. Equity is a registered trademark of Epson America, Inc. General notice: Other product names used herein are for identification purposes only

and may be trademarks of their respective companies.

Y72399100100

IMPORTANT SAFETY INSTRUCTIONS

Read all of these instructions and save them for later reference.

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 cleaning.

Do not use this product near water.

Do not place this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product.

Slots and openings in the cabinet and the back or bottom are provided for ventilation; to ensure reliable operation of the product and to protect it from overheating, these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register. This product should not be placed in a built-in

installation unless proper ventilation is provided.

This product should be operated from the type of power source

indicated on the marking label. If you are not sure of the type of

power available, consult your dealer or local power company.

This product is equipped with a 3-wire grounding-type plug, a plug having a third (grounding) pin. This plug will only fit into a

grounding-type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the purpose of the grounding-type plug.

Do not locate this product where the cord will be walked on.

10. If an extension cord is used with this product, make sure that the total of the ampere ratings on the products plugged into the extension cord do not exceed the extension cord ampere rating.

Also, make sure that the total of all products plugged into the

wall outlet does not exceed 15 amperes.

iii

11. Never push objects of any kind into this product through cabinet slots, as they may touch dangerous voltage points or short out parts that could result in a risk of fire or electric shock. Never spill liquid of any kind on the product.

12. Except as specifically explained in the User’s Manual, 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 product from the wall outlet and refer servicing to

qualified service personnel under the following conditions:

A. When the power cord or plug is damaged or frayed.

If liquid has been spilled into the product. C. If the product has been exposed to rain or water. D.

If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.

If the product has been dropped or the cabinet has been damaged.

If the product exhibits a distinct change in performance,

indicating a need for service.

Introduction

Optional Equipment Operating Systems and Other Software VGA Utilities How to Use This Manual Where to Get Help

Chapter

Choosing a Location

Removing the Protector Card.

Connecting a Monitor

Connecting a Printer or Other Device.

Using the VGA Interface Using a Display Adapter Card

Using the Parallel Interface Using the Serial Interface.

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Setting Up Your System

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3 3 4

1-1

1-3 1-4

1-4 1-7 1-8 1-8 1-11

Connecting the Keyboard

Connecting the Mouse Connecting the Power Cord.

7 8

Turning On the Computer

Turning Off the Computer.

Chapter 2 Automatic Configuration

Starting the Setup Program.

Continuing From an

Moving the

Running the Setup Program

Cursor Block

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Error Message

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1-12 1-13 1-15 1-16 1-18

2-2 2-2

2-4 2-5

Setting the Display Adapter Type. Setting the Power-on Password. Setting the Memory Caching

Setting the Processor Speed

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Setting the Keyboard and Speaker Options Setting the Rea-time Clock. Setting the Hard Disk Drive Configuration

Hard Disk Drive Types

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2-6 2-9

2-11

2-12 2-14

2-16 2-19

2-23 Setting the Diskette Drive Type(s). Setting the Serial/Parallel Interfaces.

Reviewing Your Settings Leaving the Setup Menu

Chapter

Using Your Computer

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Installing MS-DOS or Another Operating System Copying the Reference Diskette Files.

Special Keys

on the Keyboard

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Stopping a Command or Program.

Resetting the Computer Using a Power-on Password

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Changing a Power-on Password Deleting a Power-on Password

Using Disks and Disk Drives

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2-25 2-26 2-28

2-30

3-1

3-2 3-3 3-5

3-5 3-7 3-8 3-9 3-10

How Disks Store Data Types of Diskette Drives

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Caring for Diskettes and Diskette Drives.. Write-protecting Diskettes

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Using a Single Diskette Drive System Inserting and Removing Diskettes Formatting Diskettes Making Backup Copies Using a Hard Disk Drive.

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3-10 3-12

3-14

3-16 3-18 3-19 3-21

3-21

3-22

Chapter 4

Enhancing System Operations

Using AUTOEXEC.BAT and Other Changing the Processor Speed

Entering Keyboard Commands. Using the ESPEED Program

Reassigning the Diskette Drives

Using the AFDD Program

Using Your Computer as a Network Server

Using a Password in Network Server Mode Using Expanded Memory Beyond 640KB. Using Special VGA Features

Chapter

Removing the Cover Removing the Subassembly Replacing the Subassembly

Replacing the Cover

Accessing Internal Components

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Batch

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Files.

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4-1 4-2 4-4

4-5 4-7 4-8 4-9 4-10

4-11 4-12

5-2 5-5

5-8 5-16

Chapter Changing the Jumper Settings

Moving a Jumper

Installing an Option Card Removing an Option Card Adding Memory Modules

Installing Memory Modules

Removing Memory Modules. Installing a Math Coprocessor Removing a Math Coprocessor.

Post-installation Setup

Installing and Removing Options

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6-2 6-4 6-5 6-9 6-10 6-11

6-15 6-19 6-22 6-23

vii

Chapter

Installing and Removing Disk Drives

Using the Correct Drive Bay

How

Setting the Hard Disk Drive Jumpers

Installing a Hard Disk in the Vertical Position.

Removing a Hard Disk From the Vertical Position

Installing or Removing a Disk Drive in the

to Use This Chapter

Setting the Jumpers for Two

Changing the Jumper Settings Removing the Mounting Frames From the Drive

Removing and Attaching the Mounting Plate

Installing the Drive Attaching the Cable to the Bottom of the Subassembly.

Horizontal Position

Installing a Disk Drive in the Horizontal Position.

Removing a Disk Drive From the Horizontal Position . .

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Hard Disk Drives

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7-2 7-3 7-4 7-4 7-5 7-7 7-8

7-10

7-12 7-19 7-21

7-23 7-24 7-33

Appendix A Troubleshooting

Identifying Your System

Error Messages The Computer Won’t Start The Computer Does Not Respond

Password Problems

Removing a Password

Setting a New Password Keyboard Problems Monitor Problems Diskette Problems Diskette Drive Problems Hard Disk Problems

Installing the Drive Preparing the Drive

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Accessing Data on the Drive

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A-1 A-2 A-5 A-6 A-8 A-9 A-11 A-12 A-13 A-15 A-18

A-19 A-20 A-21 A-22

viii

Software Problems

Printer Problems Option Card Problems Mouse Problems

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A-23 A-24 A-25 A-26

Memory Module Problems

Math Coprocessor Problems

Appendix B Choosing the Type of Format

Reformatting a Used Disk. Formatting a New Disk Selecting an Option Starting the Formatting Process

Option 1, Format

Modifying the Defective Track Table

Formatting the Disk Option 2, Destructive Surface Analysis Option 3, Non-destructive Surface Analysis Exiting the Hard Disk Format Menu.

Physically Formatting a Hard Disk

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A-27

B-2 B-3

B-4 B-4 B-4

B-5 B-7

B-9

B-10

B-12

B-13

Appendix C

Starting System Diagnostics Selecting an Option Modifying the Device List Selecting a Test

Resuming From an Error Error Codes and Messages

Performing System Diagnostics

. . . . . . . . . . . . . . . . . . . . . . . . . . .

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C-2 C-4 C-5 C-6 C-8 C-12

Appendix D

Specifications

CPU and Memory Controllers Interfaces

Power Supply Mass Storage Keyboard Environmental Requirements Physical Characteristics

Glossary

Index

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D-1 D-2 D-2 D-3 D-3

D4 D-4 D-5

Introduction

The Epson® Equity®’ 386SX/20 PLUS is a high-performance personal computer which offers exceptional speed and

convenience in a compact design. It includes 2MB of internal memory, a built-in VGA (video graphics array) display adapter, built-in parallel and serial interfaces, and an IBM®PS/2™

compatible mouse port. The built-in interfaces allow you to connect most of your

peripheral devices directly to the computer, so you do not have

to install option cards. If you need to install additional devices,

such as a modem or networking card, you can use the four

standard option slots (three 16-bit and one 8-bit) inside the

computer.

Your system can support up to three internal drives: either two

diskette drives and one hard disk drive, or one diskette drive and

two hard disk drives.

The Equity 3865X/20 PLUS offers several other features to

enhance its speed and versatility:

Memory caching. Portions of your system memory are copied to a high-speed cache buffer so your computer can access programs and data very quickly.

Shadow RAM. Your system ROM (read-only memory) and video ROM are copied into the computer’s RAM (random access memory) to further accelerate system performance.

Super VGA mode. The built-in VGA adapter and VGA drivers (included) provide graphics resolutions up to 800 x 600 in 16 colors or 640 x 480 in 256 colors on compatible VGA monitors.

Continuous Edge Graphics™ by Edsun™). The built-in CEG chip refines the jagged lines of images on a CRT screen by giving a standard 640 x 480

VGA screen the effective resolution of 2048 x 2048 and

boosting the palette from 256 to 750,000 colors. When used with the appropriate application software and device drivers, this technology gives you a clearer, more accurate representation of graphics and text.

Optional Equipment

You can easily upgrade your computer by installing additional

memory and adding optional devices compatible with the IBM Personal Computer, PC XT,™ or PC AT™

By adding memory modules to the main system board, you can

(CEG™)

technology (provided

expand the computer’s memory up to 14MB. Memory modules

are efficient because your computer can access memory. on modules faster than memory on an option card. Also, they eliminate the need to use an option slot to add memory to your system. If necessary, you can add additional memory to your system by using an option card to bring your total memory to

16MB.

You may also want to install the Intel®80387SX (20MHz) math

coprocessor to speed up calculations in certain application programs.

Check with your authorized Epson dealer to see which options are available.

2 Introduction

Operating Systems and Other Software

You may have a version of MS-DOS® to use with your computer. Epson has enhanced MS-DOS by adding two timesaving utilities-HELP and MENU-that make it easier to use. The HELP program lets you display information about any MS-DOS command on the screen. MENU provides an easy way to run many of the MS-DOS commands.

Note

MS-DOS is not the only operating system you can use with your computer. You can run practically any operating system compatible with MS-DOS, OS/2, Unix® or XENIX®. See the documentation that came with your operating system to install and run it on your computer.

You can use virtually any application program designed for the IBM PC, PC XT, PC AT, or compatible computers on your Equity 386SX/20 PLUS. You may also use powerful software, such as Microsoft® Windows/386.

VGA Utilities

Epson has provided special VGA utilities and device drivers that you can use with certain standard VGA and multifrequency monitors. With these drivers, you can use super VGA features such as 16-color graphics mode resolutions up to 800 x 600, 256-color resolutions up to 640 x 480, and

132-column text mode. See your VGA Utilities booklet for

complete information. Epson also provides special device drivers that let you take

advantage of the Edsun CEG technology. These drivers instruct specific applications to recognize the extra colors and higher resolutions made available by CEG. See your CEG Utilities booklet for instructions.

How to Use This Manual

This manual explains how to set up and operate your

computer, install options, and run diagnostics checks. The illustrations show a computer with a 51/4-inch diskette drive, but instructions for using a 3½-inch drive are also included.

Note Although this manual provides tips for using MS-DOS, it does not explain how to use an operating system. See your operating system manuals for comprehensive instructions on

installing and using the operating system.

You do not need to read everything in this book; see the following chapter summaries.

Chapter 1 provides simple step-by-step instructions for setting up your system. On the back cover foldout are illustrations showing the different parts of your computer; refer to these as you set up your system.

Chapter 2 describes how to run the Setup program to define your computer’s configuration. Do this before you use your computer. You may need to do it again later if you change the configuration.

Chapter 3 provides instructions for important operating procedures, such as using and caring for disks and disk drives.

Chapter 4 describes specialized features you can use to enhance your system’s performance.

Chapter 5 contains instructions for removing the cover and subassembly and then replacing the subassembly and cover.

Chapter 6 describes some of the options you can use in your computer and contains instructions for setting jumpers and installing options.

Chapter 7 explains how to install and remove a hard disk or diskette drive.

Appendix Appendix B describes how to perform a hardware-level format

on a hard disk. You need to do this only if you have installed a new hard disk that has never received this low-level format, or if

you are having serious problems with the disk

Appendix C outlines the system diagnostic checks. If you are

having trouble with any part of the hardware, you may want to run some of these.

Appendix D gives the computer’s technical specifications.

At the end of the manual, you’ll find a glossary and an index.

A contains troubleshooting tips.

Where to Get Help

Customer support and service for Epson products are provided by a network of authorized Epson dealers and Customer Care Centers throughout the United States. Epson America provides product information and support to its dealers and Customer Care Centers.

Therefore, we ask that you contact the business where you

purchased your Epson product to request assistance. If the people there do not have the answer to your question, they can obtain

it through our toll-free dealer support program. Epson is confident that this policy will provide you with the assistance

you need.

Call the Epson Consumer Information Center at

(213) 782-2600 for the the location of your nearest Epson dealer

or the nearest Customer Care Center. To locate or purchase

accessories or supplies, contact your nearest Epson dealer.

Introduction 5

Chapter 1

Setting Up Your System

Setting up your Equity 386SX/20 PLUS personal computer is easy. Just follow the eight steps in this chapter. As you set up

your computer, you may want to leave this manual’s back cover foldout open so you can refer to the illustrations identifying the different parts.

Note The illustrations in this manual show the computer with a

51/4-inch

drive instead, and you need additional instructions, see Chapter 3.

Choosing a Location

diskette drive. If your system has a 3

i/z-inch

diskette

Setting Up Your System

1-1

Before you set up your computer, it’s important to choose a safe, convenient location that provides the following:

A large, sturdy surface. The desk or table should be strong enough to support the weight of your system and all of its components. Select a location that allows plenty of space so you can work comfortably.

A flat, hard surface. Soft surfaces like beds and carpeted

floors attract static electricity, which can erase data on your disks and damage the computer’s circuitry. Soft surfaces also prevent proper ventilation.

Good air circulation. Air must be able to move freely under the system and behind it. Leave several inches of space around the computer.

Moderate environmental conditions. Protect your computer from extremes in temperature, humidity, dust, and smoke. Avoid direct sunlight or any other source of heat. High humidity also hinders operation, so select a cool, dry area.

Appropriate power sources. To prevent static charges, connect all your equipment to 120-volt grounded outlets. You need one outlet for the computer, one for the monitor, and additional outlets for a printer and any other peripherals.

No electromagnetic interference. Locate your system away from any electrical device, such as a telephone, which generates an electromagnetic field.

1-2 Setting Up Your System

Removing the Protector Card

If you have a 5

the diskette slot. This card is inserted at the factory to protect

the read/write heads in the drive. To remove it, flip the latch up

to pop the card out part way, then pull it out, as shown below.

l/+inch

diskette drive, there is a protector card in

(If you have a second

the protector card from that drive as well.)

Save the protector card. If you transport your computer, you may want to insert the card into your diskette drive prior to shipping. This will protect the read/write heads during transportation.

Y/4-inch

diskette drive, be sure to remove

Setting Up Your System

1-3

Connecting a Monitor

The procedure you use to connect your monitor to the computer depends on the type of monitor you have. If you have a VGA monitor (or a multi-frequency monitor with an analog connector), you can connect it to the computer’s built-in VGA port. See “Using the VGA Interface” below. If you have any other type of monitor, see "Using a Display Adapter Card” below.

Using the VGA Interface

Follow these steps to connect your VGA monitor to the VGA port on the computer:

Make sure your monitor is turned off.

Place your monitor on top of or near the computer. For easy access, turn the monitor and computer around so the backs of both components are facing you.

3. If necessary, connect the monitor cable to the monitor. (Your monitor may have a permanently attached cable.)

1-4 Setting Up Your System

Examine the connector end of the monitor cable, and position the plug to match the orientation of the monitor

interface (marked with a monitor icon). Then insert the plug into the port (the connector should fit in easily when properly oriented), as shown below.

retaining screws

Caution

To avoid damaging the connector, take care not to bend the

pins

If the connector has retaining screws, tighten them by hand

when inserting the plug.

or with a screwdriver, depending on the screw type.

Setting Up Your System

1-5

If necessary, plug the monitor power cord into the monitor’s

power inlet, as shown below.

II J,

1-6

Plug the other end of the power cord into an electrical

outlet.

Setting Up Your System

Using a Display Adapter Card

If you are using a non-VGA monitor, you’ll need to install a display adapter (video) card in one of the computer’s option slots before you can connect the monitor. (Your dealer may have already installed the video card for you.)

If the video card has not yet been installed, you’ll need to follow the instructions in Chapter 6 to install it. But first, check the following table to make sure your display adapter card and monitor are properly matched.

Monitor/video card compatibility

Monitor Monochrome

Color or EGA Color graphics adapter (CGA)

CGA monitors do not support EGA modes.

Video card Monochrome display adapter (MDA)

Multi-mode graphics adapter (MGA) Enhanced graphics adapter (EGA) Hercules® graphics card

Multi-mode graphics adapter (MGA) Enhanced graphics adapter (EGA)

When you are installing the video card, check to make sure any

switches or jumpers on the card are set properly. For example, you may need to change a switch setting to select color or monochrome. See the documentation that came with your

monitor or video card for instructions.

Setting Up Your System

1-7

Note If you install an EGA or VGA display adapter card or if you

install another type of card that you want to be the primary display adapter, you must set jumper J2 on the main system board to disable the built-in VGA interface.

If you install one or more cards, you also may need to set

jumper J1 to tell the computer the type of monitor you are

using: monochrome or color. If you have two types of cards, set the jumper to indicate which one is your primary monitor

type. See Chapter 6 for instructions on changing jumper settings.

Once you have installed your video card, return to this section to connect your monitor to the computer. If your monitor came with its own manual, follow the instructions there. Otherwise, you can follow the steps in ‘Using the VGA Interface” above; just insert your monitor connector into the video card port

instead of the built-in VGA port.

Connecting a Printer or Other Device

Your computer has both parallel and serial interfaces. To connect a printer or other peripheral device to one of these

interfaces, follow the instructions below. Of course, Epson offers

a full range of printers; ask your dealer for more information.

Using the Parallel Interface

The parallel interface on your computer is Centronics® compatible and uses a DB-25S connector.

To connect your printer and computer, you need an IBM compatible printer cable. If you are not sure which one you need, check with your Epson dealer.

1-8 Setting Up Your System

Once you have the correct printer cable, follow these steps:

Place the printer next to the computer with the back panels

of both components facing you.

One end of the printer cable has a 25-pin, D-shell connector. Position the plug to match the orientation of the parallel interface (marked with a special icon). Then

insert the connector into the port, as shown below. If the plug has retaining screws, tighten them by hand or with a screwdriver, depending on the screw type.

retaining screws

Setting Up Your System

1-9

Connect the other end of the cable to the printer, as shown

below. TO secure the cable, squeeze the clips at each side of

the printer port and push them into place.

clips

Plug the printer’s power cord into a 120-volt, grounded electrical outlet.

1-10

Setting Up Your System

Using the Serial Interface

If you have a printer, a modem, or other peripheral with a serial interface, you can connect it to the serial (RS-232C) port on the back of the computer.

The serial port uses a DB-9P connector, so be sure you have a

compatible cable. To connect a serial device, follow the same steps as above for connecting a parallel device but insert the connector into the serial port, marked with a special icon, as shown below.

serial port

Note

You need to ensure that the serial port is set up so it functions properly. If you are using the port for a serial printer, you need to redirect printer output to the serial port instead of the parallel port. To do this, you can use the MS-DOS MODE or SETMODE command or the MENU utility. See your MS-DOS Reference Manual for instructions.

Setting Up Your System

1-11

Connecting the Keyboard

Follow these steps to connect the keyboard:

Hold the keyboard cable connector so the arrow indicator on the housing faces up. Insert the plug into the appropriate socket, marked with a keyboard icon, as shown below.

’ ”

” w?r-T

’

1-12

keyboard connector

arrow indicator

Caution

Although the keyboard and mouse connectors are

physically identical, they cannot be used interchangeably. Be sure to insert the keyboard plug into the keyboard socket.

Setting Up Your System

You can raise the keyboard by adjusting the legs on the

2. bottom. To change the angle of the keyboard, turn it over and flip each leg upward until it locks into place, as shown below.

Connecting the Mouse

Your computer has an auxiliary port for an IBM PS/2 compatible

mouse that uses a miniature DIN (6-pin) connector. If you have purchased a mouse with this type of connector (or adapter), you can connect it to the built-in port on your computer.

If you purchased a mouse with a serial connector, you can

connect it to the built-in serial port on your computer.

If you have another kind of mouse that requires a different interface port, you need to install an option card to provide the interface.

To connect a mouse to the built-in mouse port, hold the mouse

plug so it is oriented properly with the computer socket. Insert the plug into the appropriate socket, marked with a mouse icon, as shown in the following illustration.

Setting Up Your System

1-13

+ 239 hidden pages

Epson EQUITY 3865X-20 PLUS User Manual

Contents

Introduction

Optional Equipment

Operating Systems and Other Software

VGA Utilities

How to Use This Manual

Where to Get Help

Choosing a Location

Removing the Protector Card

Connecting a Monitor

Using the VGA Interface

Using a Display Adapter Card

Connecting a Printer or Other Device

Using the Parallel Interface

Using the Serial Interface

Connecting the Keyboard

Connecting the Mouse