Epson Equity 320SX PLUS User Manual

®
EPSON
EQUITY® 32Osx PlUS
User’s Guide
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.
COPYRIGHT NOTICE
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. 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.
Copyright © 1991 by Epson America, Inc.
Torrance, California
ii
Y740991001
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 hamrful 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:
l
Reorient or relocate the receiving antenna
l
Increase the separation between the equipment and receiver
l
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected
l
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 the manufacturer 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.
Le present appareil numérique n’emet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de Classe B prescrites dans le réglement sur le brouillage radioéctrique édicté par le Ministére des Communications du Canada.
Important Safety Instructions
1.
Read all of these instructions and save them for later reference. Follow all warnings and instructions marked on the product.
2. Unplug this product from the wall outlet before cleaning. Use
3. a damp cloth for cleaning, not liquid cleaners or aerosol cleaners.
4.
Do not use this product near water. Do not place this product on an unstable cart, stand, or table.
5. Slots and openings in the cabinet and the back or bottom are
6.
provided for ventilation; these openings must not be blocked
or covered. This product should never be placed near or over a
radiator or heat register.
This product should be operated from the type of power
7. source indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company.
8.
Connect all equipment to properly grounded (earthed) power outlets. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Avoid using outlets on the same circuit as photocopiers or air control
systems that regularly switch on and off. Do not locate this product where the cord will be walked on.
9.
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.
11. Never push objects of any kind into this product through the
cabinet slots. Never spill liquid of any kind on the product.
12. Except as specifically explained in the User’s Guide, do not
attempt to service this product yourself. Refer all servicing to qualified 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.
B.
If liquid has entered the product.
C.
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.
D.
If the product has been dropped or the cabinet has been damaged.
E.
If the product exhibits a distinct change in performance.
iV
Importantes Mesures de Séurité
Lire attentivement les instructions qui suivent. Les conserver
1. en lieu stir.
Observer les avertissements et suivre rigoureusement les
2. instructions marquees sur l’ordinateur.
Debrancher l’appareil avant de le nettoyer. Se servir d’un
3. chiffon humide, sans detergents ni aerosols.
Ne pas se servir de l’ordinateur pres de l’eau.
4. Ne pas placer l’appareil sur un meuble instable.
5. Les ouvertures et fentes à l’arrière et au dessous du coffre en
6. assurent la ventilation. 11 est important de ne pas couvrir ni
bloquer ces prises d’air. De meme, il ne faut jamais placer
l’ordinateur près d’un appareil de chauffage. N’utiliser comme type de courant que celui qui est indique sur
7. l’etiquette. En cas de doute, consultez votre distributeur ou la compagnie électrique de votre secteur.
Toutes les connexions électriques doivent être des connexions
8. de sècurite, avec contact de terre. Si la fiche de sécurité n’entre
pas dans le socle de prise de courant, demander a un electricien de remplacer l’ancien socle par un socle neuf. Eviter de brancher l’ordinateur sur le même circuit que des machines qui se mettent en marche et s’arriêtent tour a tour, telles que photocopieurs ou climatiseurs.
Ne pas laisser de fils ou cordons électriques dans un lieu de
9. passage; éviter de leur marcher dessus.
10. S’il est nécessaire d’employer un cordon prolongateur pour brancher l’appareil, s’assurer que la consommation d’energie
totale des machines branchees sur le cordon prolongateur ne depasse pas la capacite en amperes dudit cordon. L’ampérage total de toutes les pièces branchees sur le socle ne doit pas depasser 15 amperes.
11. Ne jamais rien introduire dans les prises d’air. Ne pas renverser de liquide sur l’appareil.
V
12. Sauf dans les cas specifiquement indiques dans le Guide de l’utilisateur, ne pas essayer de réparer l’ordinateur soi-même; s’adresser à un spécialiste qualifié.
13. Debrancher l’appareil et s’adresser au personnel de service qualifie dans les cas suivants:
A.
Lorsque le cordon, les broches, la prise ou le socle sont endommages.
B.
Lorsqu’un liquide a pénétré a l’interieur de l’appareil.
C.
Lorsque l’ordinateur ne répond pas normalement aux
commandes passées en suivant les instructions. Ajuster uniquement les controles décrits dans les instructions; il est possible de gravement endommager l’appareil en touchant les autres, ce qui pourrait nécessiter l’intervention d’un technicien qualifié pour le remettre en état de marche.
D.
Lorsque l’appareil est tombe ou le coffre a été endommagé.
E.
Lorsque la performance de l’ordinateur est nettement
inferieure a l’ordinaire.
vi

Contents

Introduction
Optional Equipment Operating Systems and Other Software VGA Utilities
How to Use This Manual ............................ 3
Where to Get Help.
Chapter 1
1 Choosing a Location 2 Removing the Protector Card 3 Connecting a Monitor
Using the VGA Interface. Using a Display Adapter Card.
4 Connecting a Printer or Other Device
Using the Parallel Interface.
Using the Serial Interface 5 Connecting the Keyboard 6 Connecting the Mouse
7 Connecting the Power Cord
8 Turning On the Computer
Turning Off the Computer
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................................
Setting Up Your System
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1 2 2
4
l-l l-3 l-4 1-4 l-7 1-8 l-8 l-l1
1-12 1-13 1-15 1-16 1-18
Chapter 2
Starting the SETUP Program
Selecting Options Setting the Date and Time. Setting the Diskette Drive(s) Setting the Hard Disk Drive(s).
Hard Disk Drive Types
Running the SETUP Program
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2-2
2-3 2-3 2-4 2-5 2-5
vii
Setting the Primary Display Type Setting the Keyboard Test Function Setting the Shadow RAM.
Setting the CPU Clock Speed EMSSize Setting the Password
Setting the BuiIt-in Interfaces
Saving Your Settings
.........................................
Changing or Deleting a Password.
Setting the Parallel Interface. Setting the Serial Interface Setting the Disk Drive Controllers
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2-8 2-9 2-10 2-11 2-12 2-13
2-14
2-15
2-15 2-16 2-l 6 2-16
Chapter 3
Installing MS-DOS or Another Operating System Special Keys on the Keyboard Stopping a Command or Program Resetting the Computer Using a Password. Using Disks and Disk Drives
How Disks Store Data Types of Diskette Drives Caring for Diskettes and Diskette Drives Write-protecting Diskettes Using a Single Diskette Drive System Inserting and Removing Diskettes
Formatting Diskettes
Making Backup Copies
Using a Hard Disk Drive
Using Your
.................................
Computer
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3-1
3-2
3-3
3-4 3-5 3-6 3-6 3-8 3-10 3-12 3-14 3-15 3-l 7 3-l 7 3-18
viii
Chapter 4
Enhancing System Operations
Using AUTOEXEC.BAT and Other Batch Files Changing the Processor Speed
Entering Keyboard Commands. Using the ESPEED Program.
Using Expanded Memory Beyond 640KB.
Modifying the CONFIG.SYS File
Using the VGA Utilities.
Chapter 5
Removing the Cover Removing the Subassembly. Replacing the Subassembly Replacing the Cover
Chapter 6
Changing the Jumper Settings
Setting the Jumpers. Replacing the Battery 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 for Memory Cards
Post-installation Setup.
Accessing Internal Components
...............................
...............................
Installing and Removing Options
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4-l 4-2
4-4 4-5 4-7 4-8 4-11
5-2 5-5 5-9 5-17
6-2 6-3 6-5 6-9 6-13
6-14 6-15 6-18 6-21 6-24 6-25 6-25
ix
Chapter 7
Installing and Removing Disk Drives
Using the Correct Drive Bay How to Use This Chapter Setting the Hard Disk Drive Jumpers
Changing the Jumper Settings
Installing a Hard Disk in the Vertical Position
.........................
...........................
..................
...................
...........
Removing the Mounting Frames From the Drive. Removing and Attaching the Mounting Plate
Installing the Drive
............................
Removing a Hard Disk From the Vertical Position Installing or Removing a Drive in the
Horizontal Position.
.........................
Installing a Drive in the Horizontal Position Removing a Drive From the Horizontal Position.
Appendix A
CPU and Memory Controllers. Interfaces
Power Supply. Mass Storage Keyboard Environmental Requirements Physical Characteristics. System Memory Map.
Specifications
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....
.......
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....
7-2 7-3 7-4 7-5 7-7 7-8 7-10 7-l 1 7-17
7-19 7-19 7-27
A-l A-2 A-2 A-3 A-3 A-4 A-4 A-4 A-5
x
Appendix B
Performing System Diagnostics
Starting the Diagnostics Program . . . . . . . . . . . . . . . . . . . . .
The Main Menu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the Run Time Parameters . . . . . . . . . . . . . . . . . . . . .
Error Logging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting Multiple Tests . . . . . . . . . . . . . . . . . . . . . . . .
Running the Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Parameters . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Media Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SeekTest....................................
Read/Verify Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Test Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . .
Force Bad Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Error Messages . . . . . . . . . . . . . . . . . . . . . . .
Floppy Disk Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performing the Tests . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floppy Disk Error Messages. . . . . . . . . . . . . . . . . . . . . .
Miscellaneous Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . .
Printer Adapter Test . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communication Adapter Test. . . . . . . . . . . . . . . . . . . .
Exiting System Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . .
B-2 B-2 B-4
B-6 B-8 B-8 B-10 B-12 B-12 B-13 B-16 B-l 7 B-18
B-18 B-18
B- 19 B-19 B-19 B-20 B-21
B-22
B-23
B-23 B-24 B-25
xi
Appendix
Troubleshooting
C
Identifying Your System Error Messages
....................................
The Computer Won’t Start
............................
..........................
The Computer Does Not Respond Password Problems
................................
Accessing Your Current 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. Software Problems Printer Problems Option Card Problems. Mouse Problems Memory Module Problems Battery Problems Math Coprocessor Problems
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Glossary
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C-l C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-11
C-12
C-13
C-14 C-14 C-15 C-16 C-17 C-18 C-19 C-19 C-20
Index
Xii

Introduction

The Epson® Equity® 320sx PLUS is a high-performance
personal computer which offers exceptional speed and convenience in a compact design.
Your 20 MHz, 80386SX system 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. These interfaces allow you to connect most of your peripheral devices directly to the computer, so you do not have to install option cards.
The Equity 320sx PLUS also provides four option slots (three
16-bit and one 8-bit) in which you can install additional
devices, such as a modem or a network card.
Your computer 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.
Additionally, your system offers shadow RAM to speed up processing by moving the ROM BIOS and the video ROM into the RAM area of memory. This allows the computer to
access and display information faster.
®

Optional Equipment

You can easily upgrade your computer by installing additional memory and adding just about any optional device that is compatible with the IBM Personal Computer, PC XT,” or PC AT.”
By adding memory modules to the main system board, you can expand the computer’s memory up to 24MB. The first
16MB can be used as either extended or expanded memory;
any memory above 16MB can be used only as expanded.
Introduction 1
You may want to install an 80387SX, 20 MHz math coprocessor in your computer to speed up mathematical calculations in certain application programs.
Check with your authorized Epson dealer for information on optional equipment.

Operating Systems and Other Software

You probably have a version of MS-DOS® to use with your
computer. However, you can run another operating system, such as, OS/2, UNIX operating system, refer to the documentation that came with it 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 320sx PLUS. You may also use powerful 32-bit software designed for 80386 computers with your system.
®
or XENIX® If you use another

VGA Utilities

Epson has included special VGA device drivers and utilities
that you can use with your built-in VGA adapter. With these
utilities, you can take advantage of extended VGA features such as 16-color graphics mode resolutions up to 800 x 600 and 132-column text mode. The VGA device drivers and utilities are described in the VGA Utilities booklet that came with your system.
2 Introduction
How to Use This Manual
This manual explains how to set up and operate your
computer, install options, and run diagnostic checks. Although the illustrations show a computer with a 21/4-inch diskette drive, instructions for using a 31/2-inch drive are included.
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 identifying 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 describes how to remove and replace the computer’s cover and subassembly to access the internal components.
Chapter 6 describes some of the options you can use in your computer and contains instructions for setting jumpers, replacing the battery, and installing options.
Introduction 3
Chapter 7 describes how to install and remove disk drives. Appendix A gives the technical specifications for the
computer. Appendix B outlines the system diagnostic tests you can run
to diagnose hardware problems.
Appendix C contains troubleshooting tips.
At the end of the manual, you’ll find a glossary and an index.

Where to Get Help

If you purchased your Epson product in the United States,
Epson America provides local customer support and service
through a nationwide network of authorized Epson dealers
and Service Centers.
Epson also provides the following support services through
the Epson Consumer Resource Center at (800) 922-89 11:
Assistance in locating your nearest Authorized Epson Reseller or Service Center
Technical assistance with the installation, configuration, and operation of Epson products
Epson technical information library fax service Product literature with technical specifications on our
current and new products
Sales of ribbons, supplies, parts, documentation, and
accessories for your Epson product Customer Relations.
4 introduction
Chapter 1
Setting Up Your System
Setting up your Equity 320sx PLUS personal computer is easy.
Just follow the eight steps in this chapter. As you set up your
system, you may want to leave this manual’s back cover foldout open so you can refer to the illustrations identifying the different parts.

Choosing a Location

1
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:
0
A sturdy desk or table strong enough to support the weight of your system and all of its components.
0
A flat, hard surface. Soft surfaces like beds and carpeted floors attract static electricity, which can erase data on your disks, damage the computer’s circuitry, and prevent proper ventilation.
cl
Good air circulation. Leave several inches of space around
the computer so air can move freely.
cl
Moderate environmental conditions. Select a cool, dry
area and protect your computer from extremes in
temperature, humidity, dust, and smoke. Avoid direct
sunlight or any other source of heat.
cl
Appropriate power sources. To prevent static charges,
connect all your equipment to three-hole, 120-volt grounded outlets. You need one outlet for the computer,
one for the monitor, and additional outlets for a printer
and any other peripheral devices.
0
No electromagnetic interference. Do not place your
system too dose to any electrical device, such as a
telephone, which generates an electromagnetic field.
1-2
Setting Up Your System

2 Removing the Protector Cord

If you have a SW-inch in 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, as shown below; then pull it out.
(If you have a second 51/4-inch diskette drive, be sure to
remove the protector card from it.)
diskette
drive, there is a protector card
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 the shipping process.
Setting Up Your System
1-3
3

Connecting a Monitor

The way you 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” on page 1-7.

Using the VGA interface

Follow these steps to connect your VGA monitor to the VGA port on the computer:
1.
Make sure your monitor and computer are turned off.
2.
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
4.
Examine the connector end of the monitor cable, and position the plug to match the orientation of the monitor port (marked with a monitor icon). Then insert the plug into the port, as shown below.
5.
If the connector has retaining screws, be sure to tighten them.
Setting Up Your System
1-5
6.
Plug the monitor power cord into the monitor’s power
inlet, as shown below.
7.
Plug the other end of the power cord into an electrical
outlet.
1-6
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 an option card. 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
Monochrome or or color VGA
+
EGA cards support only EGA monitors.
Video card Monochrome display adapter (MDA)
Multi-mode graphics adapter (MCA)
Enhanced graphics adapter (EGA) Hercules
Color graphics adapter (CGA)
Multi-mode graphics adapter (MGA) Enhanced graphics adapter (EGA)’
Video graphics array (VGA)
®
graphics card
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 a display adapter card, you must set jumper
Jl on the main system board to disable the built-in VGA
interface so that your card can operate as the primary display adapter. You may also need to set jumper J3 to indicate whether a color or monochrome monitor is installed. 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” on page 1-4; just insert your monitor connector into the video card port instead of the built-in VGA port.
4

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.

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 cable you need, check with your Epson dealer.
Once you have the right printer cable, follow these steps:
1.
Make sure the printer and computer are turned off.
2.
Place the printer next to the computer with their backs facing you.
1-8
Setting Up Your System
®
3.
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 shown in the illustration below). Then plug 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
4.
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.
5.
Plug the printer’s power cord into a three-hole, 120-volt, grounded electrical outlet.
1-10
Setting Up Your System
Using the Serial lnterface
If you have a printer, a modem, or other peripheral device with a serial interface, you can connect it to the serial
(IR-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.
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. See your MS-DOS manuals for instructions.
Setting Up
Your
System
1-11
5

Connecting the Keyboard

Follow these steps to connect the keyboard:
1.
Make sure the computer is turned off.
2.
Hold the keyboard cable connector so the indicator on the housing faces up. Insert the connector into the appropriate port, marked with a keyboard icon, as shown
1-12
Although the connectors and ports for the keyboard and mouse are physically identical, they cannot be used interchangeably. Be sure to plug the keyboard
Setting Up Your System
3.
You can raise the keyboard by adjusting the legs on the bottom. To change the angle of the keyboard, turn it over and flip each leg upward until it locks into place, as shown below.

6 Connecting the Mouse

Your computer has an auxiliary port for an IBM PS/2 compatible mouse that uses a miniature DIN (6-pin) connector.
Before you connect a mouse, make sure your computer is turned off.
If your mouse has this type of connector, you can connect it to the built-in port on your computer. If you have a mouse that requires a different interface port, you can connect it to
the built-in serial port or install an option card to provide the interface.
To connect a mouse to the built-in mouse port, hold the mouse connector so it is oriented properly with its port.
Insert the connector, marked with a mouse icon, as shown in
the following illustration.
Setting Up Your System
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