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®
EPSON EL 486UC
User’s Guide
This manual is printed on recycled paper and is 100% recyclable.
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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 and television receptio
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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. COPYRIGHT NOTICE All rights reserved. No part of t
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Important Safety Instructions 1. Read all of these instructions and save them for later reference. 2. Follow all warnings and instructions marked on the computer. 3. Unplug the computer from the wall outlet before cleaning. Use a damp cloth for cleaning; do not use liquid or aerosol cleaners. 4. Do not spill liquid of any kind on the computer. 5. Do not place the computer on an unstable cart, stand, or table. 6. Slots and openings in the cabinet and the back or bottom are provided for ventilatio
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11. If you use an extension cord with the computer, make sure the total of the ampere ratings of the devices plugged into the extension cord does not exceed the ampere rating for the extension cord. Also, make sure the total of all products plugged into the wall outlet does not exceed 15 amperes. 12. Do not insert objects of any kind into this product through the cabinet slots. 13. Except as specifically explained in this User’s Guide, do not attempt to service the computer yourself. Refer all s
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Instructions Importantes de Sécurité 1. Lire completement les instructions qui suivent et les conserver pour references futures. 2. Bien suivre tous les avertissements et les instructions indiqués sur l’ordinateur. 3. Debrancher l’ordinateur de toute sortie murale avant le nettoyage. Utiliser un chiffon humide; ne jamais utiliser un nettoyeur liquide ou une bonbonne aerosol. Ne jamais renverser un liquide d’aucune sorte sur l’ordinateur. 4. 5. Ne pas placer l’ordinateur sur un chariot, un suppor
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11. Dans le cas où on utilise un cordon de rallonge avec l’ordinateur, on doits' assurer que la valeur totale d’amperes branches dans le cordon n’excede en aucun temps les amperes du cordon de rallonge. La quantité totale des appareils branches dans la prise murale ne doit jamais exceder 15 amperes. 12. Ne jamais inserer un objet de quelque sorte que ce soit dans les cavites de cet appareil. 13. Sauf tel que specific dans la notice d’utilisation, on ne doit jamais tenter d’effectuer une reparati
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Contents Introduction 2 VGA Utilities ...................... 2 Optional Equipment ................. 2 Microprocessor .................. 2 ................ Mathcoprocessor 2 Memory...................... 2 Drives ....................... How to Use This Manual ............... 2 .................. 2 Where to Get Help Chapter 1 Setting Up Your System l-l Getting Started ............................ l-l Choosing a Location ...................... l-2 ................. Unpacking Your Computer l-3 ...
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.................. l-19 Enabling an External Cache ................. l-19 Setting Shadow ROM Options ...................... l-19 Remapping Memory ................. l-20 Using Other Shadow Options .................. l-20 Exiting the SETUP Program ....................... l-21 Post-SETUP Procedures ...................... l-21 Turning Off the Computer Chapter 2 Using Your Computer ................... 2-l Inserting and Removing Disks 2-2 Stopping a Command or Program . . . . . . . . . . . . . . . . .
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Chapter 4 Installing and Removing Drives 4-2 Installing a Hard Disk Drive in the Internal Drive Bay . . . . . Removing the Mounting Frames . . . . . . . . . . . . . . . 4-3 4-3 Connecting the Hard Disk Drive Cables . . . . . . . . . 4-8 Installing the Hard Disk Below the Mounting Bracket . . 4-10 Installing the Hard Disk On the Mounting Bracket . . . . 4-13 Removing a Hard Disk Drive From the Internal Drive Bay . . . . . . . 4-13 Installing a Drive in the Upper Horizontal Drive Bay 4-16 C
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..................... 6-12 Memory Module Problems ........................... 6-12 Mouse Problems ......................... 6-13 Controller Problems ...................... 6-13 External Cache Problems Appendix A Specifications ........................... A-l CPU and Memory ............................... A-2 Controllers ................................ A-2 Interfaces ........................ A-4 Physical Characteristics ............................. A-4 Power Supply .................. A-4 Option
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Introduction ® Your new Epson EL 486UC computer is a fast, high-performance, all-in-one system offering flexibility and expandability in a compact design. It provides the following features: 486SX, 25 MHz microprocessor upgradable to 486SX/33, 486DX/33,486DX2/50, or 486DX2/66 4MB of internal memory, expandable to 32MB System and video BIOS shadow RAM 8KB of internal processor cache and support for 32KB or 128KB of external cache 512KB of on-board video memory, expandable to 1MB Built-in VGA port
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The shadow RAM feature speeds up processing by moving the system and video BIOS into the RAM area of memory. With 512KB of video RAM, the VGA controller supports standard resolutions up to 640 x 480 in 16 colors and extended resolutions up to 640 x 480 in 256 colors or 1024 x 768 in 16 colors (interlaced or non-interlaced). With 1MB of video memory, the controller supports extended resolutions up to 1024 x 768 in up to 256 colors. VGA Utilities Your computer comes with special VGA drivers and ut
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Math coprocessor You automatically install a math coprocessor when you upgrade your system with a 486DX microprocessor, because the coprocessor is built into the 486DX chip. Memory By adding 1MB, 4MB, 8MB, and 16MB SIMMs (single inline memory modules) to the main system board, you can expand the computer’s memory up to 32MB. Your system also supports video memory upgrades to 1MB and cache memory upgrades of either 32KB or 128KB. Drives Your system can support up to three internal mass storage de
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Chapter 2 covers general operating procedures such as resetting the computer, using the password, and changing the processor speed. Chapter 3 describes how to remove and replace the computer’s cover, change jumper settings, and install optional equipment such as microprocessor upgrades, option cards, and memory modules. Chapter 4 explains how to install and remove disk drives. Chapter 5 describes how to install VGA drivers. Chapter 6 contains troubleshooting tips. Appendix A lists the specificat
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Assistance in locating your nearest Authorized Epson Reseller or Service Center Sales of ribbons, supplies, parts, documentation, and accessories for your Epson product Sales of Epson computers and accessories through Epson Direct at (800) 374-7300 Customer Relations Epson technical information library fax service-also available directly by calling the toll number (310) 782-4214 Product literature with technical specifications on our current and new products User group locations. If you need hel
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Chapter 1 Setting Up Your System This chapter briefly describes how to set up your computer. It includes the following information: Getting started Connecting the computer Running the SETUP program Post-SETUP procedures. Getting Started Follow the instructions below for choosing a location for your new system and unpacking it. Choosing a Location When you are ready to set up your system, choose a safe, convenient location that provides the following: A flat, hard surface. Surface
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Good air circulation. Leave several inches of space around the computer so air can move freely. No electromagnetic interference. Do not place your system too close to any electrical device, such as a telephone or television, which generates an electromagnetic field. Appropriate power source. Connect all your equipment with the appropriate power cords for the power source in your area. Unpacking Your Computer When you unpack your system components, make sure you have these items: Your system also
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Connecting the Computer Use the illustration below to locate the ports on the back of your system as you connect the keyboard, monitor, printer, and other devices. Connecting a Keyboard To connect a keyboard, hold the cable connector so the arrow on the connector faces up. Insert it into the port marked K/B. Connecting a Mouse Your system came with a serial mouse that connects to either of the computer’s built-in serial ports. To connect the mouse, insert the connector into one of the ports mark
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When you install the drivers for your mouse, make sure you identify the port to which you connected it. See the README file on the diskette that came with your mouse for more information. 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 multifrequency monitor with an analog connector), you can connect it to the computer’s built-in VGA port as described below. If you are connecting your monitor to an ada
