Epson EL 486UC User Manual

EPSON® EL 486UCUser’s GuideThis manual is printed on recycled paper and is 100% recyclable.

Chapter 4 Installing and Removing DrivesInstalling a Hard Disk Drive in the Internal Drive Bay . . . . . 4-2Removing the Mounting Frames . . . . . . .

Your Quattro Pro application now uses the display mode youselected.WordPerfectIf you have not yet installed WordPerfect 5.1, follow theinstructions in

13. Select 0 to exit. Your selection is saved and used fordisplaying text as well as the print preview and graphicsfunctions of WordPerfect.5-8Install

Chapter 6TroubleshootingIf you have any problems as you set up and use your computer,refer to this chapter. You can correct most problems byadjusting

Use these guidelines to locate information about your system:Serial number:Video BIOS version:System BIOS version:Systemconfiguration:DOS version:Soft

The Computer Will Not StartThe power light is on, but the computer does not start.Replace your main operating system diskette and turn on thecomputer

You installed of removed system components, and nowyour computer does not start.Check to make sure you have reconnected all the internal andexternal c

Keyboard ProblemsThe screen displays a keyboard error message when youturn on of reset the computer.Make sure the keyboard is securely connected to th

If you installed a display adapter card, make sure your monitorand display adapter match. Also check to see if the card’sswitches or jumpers are set p

Diskette ProblemsYou see a diskette error message.Reinsert the diskette, making sure you insert it all the way. Ifthe drive has a latch, turn it down

Diskette Drive ProblemsA newly-installed diskette drive is not working properly.Make sure you have installed the drive correctly and check allthe cabl

Memory Module Problems...6-12Mouse Problems...6-12Controller Problems...6-13External C

You are unable to store data on the hard disk drive.Make sure you have partitioned and formatted the drivecorrectly for your operating system. Use the

Software ProblemsThe application program does not start.Check that you are following the correct procedure for startingthe program and that it is inst

The printer prints garbled information.Check the printer manual for the printer’s correct DIP switch orcontrol panel settings.Also, make sure you have

An external device connected to the option curd is notworking correctly.Make sure you are using the proper cable to connect the deviceto the card.Memo

Controller ProblemsYou see a controller error for the hard disk drive controlleror the I/O port controllers when you start your system.The indicated c

Appendix ASpecificationsCPU and Memory32-bit CPUIntel 80486SX/25 microprocessor;upgradable to 486SX/33, 486DX/33,486DX2/50, or 486DX2/66System speedFa

Clock/calendarControllersVideoDisketteHard disklnterfacesMonitorParallelSerialGameKeyboardReal-time clock, calendar, and CMOSRAM socketed on main syst

Option slotsThree 16-bit, full-length and two 8-bit,half-length I/O expansion slots, ISAcompatible, 8 MHz bus speedSpeakerInternalMuss storageTwo 3 ½

Physical CharacteristicsWidth15.6 inches (396 mm)Depth14.5 inches (368 mm)Height4.1 inches (104 mm)Weight15 lb (6.8 kg), without drives or keyboardPow

Environmental RequirementsTested Operating EnvironmentsAlthough your system will run most software applications,the following operating environments h

IntroductionYour new Epson® EL 486UC computer is a fast,high-performance, all-in-one system offering flexibility andexpandability in a compact design.

Available OptionsThe following list represents only a few of the optionssupported for this product. Call your nearest marketing locationor Epson Direc

Specifications A-7

A-8 Specifications

IndexAAC power inlet, 1-4, 1-6, 6-3Addresses, memory, 1-11, 1-20Air circulation, 1-21Altitude, A-5Analogconnector, 1-4VGA input, 5-1Application progra

CGA (color graphics adapter), 1-17Chassis, 3-4Checking system memory, 1-16CHKDSK command, 6-7Choosing a location, 1-1Clock, real-time, 1-11, A-2CMOS R

Diskettelabel, 2-1-2problems, 6-7removing, 1-21, 2-1type, 6-7write-protected, 6-7Diskette driveassignment jumpers, 1-12, 3-8, 4-18bay, 1-7, 3-5cable,

Formattingdiskettes, 6-7hard disk drive, 6-9Four-pin jumper, 3-9Frequency, power supply, A-4Full-length option slots, A-3Function keys, SETUP, 1-10GGa

JJumperscache, 3-8, 3-23changing settings, 3-6, 3-9CPU, 3-8diskette drive assignment, 1-12,3-8, 4-18display adapter, 6-6four-pin, 3-9game port, 3-7har

Modem, Intro-1, 1-6Monitorassigning type, 1-17brightness, 1-8,6-5cables, 1-34connecting, 1-4contrast, 1-8,6-5monochrome, 1-17,6-6multifrequency, 1-4,5

Portparallel, Intro-1, 1-5, 3-7, A-2RS-232C, 1-6, A-2serial, Intro-1, l-3-5,3-7, A-2VGA, Intro-1, l-4, 1-16Post-installation procedures, 3-30Powerbutt

The shadow RAM feature speeds up processing by moving thesystem and video BIOS into the RAM area of memory.With 512KB of video RAM, the VGA controller

Serial portconnecting, 1-3-5controller, A-2description, Intro-1jumpers, 3-7Settings, clearing, 2-3SETUPassigning drive type, 4-2booting sequence, 1-18

Turning on computer, 1-7TVGA, 5-4, 5-7Two-pin jumper, 3-9UUpgrading the processor, Intro-2User-defined drive type, 1-14Utilitydisk compaction, 6-9disk

400235000

Math coprocessorYou automatically install a math coprocessor when youupgrade your system with a 486DX microprocessor, becausethe coprocessor is built

Chapter 2 covers general operating procedures such asresetting the computer, using the password, and changing theprocessor speed.Chapter 3 describes h

Assistance in locating your nearest Authorized EpsonReseller or Service CenterSales of ribbons, supplies, parts, documentation, andaccessories for you

Chapter 1Setting Up Your SystemThis chapter briefly describes how to set up your computer. Itincludes the following information: Getting started

Good air circulation. Leave several inches of space aroundthe computer so air can move freely.No electromagnetic interference. Do not place your syste

Connecting the ComputerUse the illustration below to locate the ports on the back ofyour system as you connect the keyboard, monitor, printer, andothe

FCC COMPLIANCE STATEMENTFOR AMERICAN USERSThis equipment has been tested and found to comply with the limits for a class B digitaldevice, pursuant to

When you install the drivers for your mouse, make sure youidentify the port to which you connected it. See the READMEfile on the diskette that came wi

6.Plug the other end of the power cord into an appropriategrounded electrical outlet or into the power outlet on theback of the system.CautionBefore y

Using the serial portsIf you have a printer, a modem, or a mouse with a serialinterface, you can connect it to one of the serial (Rs232C) portson the

Turning On the ComputerAfter you set up your system, you are ready to turn on thepower. Use the illustration below to identify the parts of yoursystem

Follow these steps to turn on your system:1.2.3.4.5.Turn your computer around so the front panel faces you.Place your monitor, printer, and other devi

Running the SETUP ProgramYou need to run the SETUP program the first time you useyour computer. If your system was configured for you, youmay still ne

Starting the SETUP ProgramYou can run SETUP whenever you see the operating systemcommand prompt, such as:C:\> or A:\>To start SETUP, hold down

Whenever you are in the SETUP program, the bottom of thescreen lists the keys you can press to perform specific functions.Displaying System Informatio

Setting the Diskette Drive(s)On your system, diskette drive A is the 3.5-inch high-densitydrive installed in the lower drive bay on your system. You m

Hard disk drive typesThe table below lists standard hard disk drives. Check this tableand your drive documentation to find the correct type number.If

IMPORTANT NOTICEDISCLAIMER OF WARRANTYEpson America makes no representations or warranties, either express or implied, by orwith respect to anything i

Hard disk drive types (continued)1-14Setting Up Your System

Defining your own drive typeIf the parameters for your hard disk (listed in itsdocumentation) do not match any of the types listed in the tableabove,

Checking System MemoryYour computer comes with 4MB of RAM on a SIMM. DOS andapplication programs that run under DOS use the first 640KB ofmemory. You

Video display type optionsSetting Keyboard OptionsTwo options in the SETUP program allow you to controlkeyboard settings: the Keyboard option and the

Setting the Processor SpeedThe CPUSpeed option sets the processor speed to fast or slow.At fast speed, your processor operates at its fastest speed (2

Enabling an External CacheIf you have installed external cache in your system, set theExternal Cache option to Enabled.You must also set yourshadow v

Using Other Shadow OptionsEight additional shadow options are available, allowing you toshadow 16KB at the memory address listed on the screen. Youmay

Post-SETUP ProceduresAfter you run SETUP for the first time, you may need to installthe operating system on your computer. See your operatingsystem ma

Chapter 2Using Your ComputerThis chapter briefly describes the following operations:Inserting and removing diskettesStopping a command or program

To insert a diskette into a 5.25-inch drive, hold the diskette withthe label facing up and the read/write slot leading into thedrive.When you want to

Important Safety Instructions1.2.3.4.5.6.7.8.9.10Read all of these instructions and save them for later reference.Follow all warnings and instructions

Resetting the ComputerOccasionally, you may want to clear the computer’s currentsettings or its memory without turning it off. You can do thisby reset

Using a PasswordIf you set a password when you ran the SETUP program, youmust enter it every time you turn on or reset the computer.Follow these steps

Changing the Processor SpeedYour computer’s processor can operate at two speeds: fastspeed (the speed of your microprocessor) or slow speed(8 MHz). Th

NoteYou can use the commands listed above while you arerunning a program. However, if the program uses one ofthese commands for another function, you

Chapter 3Installing and Removing OptionsYou can enhance the performance of your computer by addingoptional equipment such as system, video, or cache m

Removing the CoverYou need to remove the computer’s cover to install any of theoptions described in this chapter or to install or remove a diskdrive (

6.Grasp the sides of the cover and lift it straight up, as shownbelow:7.Set the cover aside.8.Ground yourself to the computer by touching the metalsur

Replacing the CoverWhen you are ready to replace the computer’s cover, followthese steps:1.Make sure all the internal components are installedproperly

Locating the Internal ComponentsAs you follow the instructions in this chapter, refer to theillustration below to locate the different components insi

Changing the Jumper SettingsThe main system board in your computer has a number ofjumpers that control certain functions. These jumpers are presetat t

11. If you use an extension cord with the computer, make sure thetotal of the ampere ratings of the devices plugged into theextension cord does not ex

Use the information in the following tables to change jumpersettings, if necessary.Jumper settingst If you change this jumper setting to position 2-3,

Drive assignment jumper settingProcessor type jumper settingsCautionDo not remove jumper J42. If J42 is off, your system cannotwrite to RAM.3-8Install

Setting the JumpersIf you need to change any jumper settings, follow these steps:1.Refer to the illustration on page 3-6 to locate the jumpers.2.If th

To move a jumper from one position to the other, useneedle-nose pliers or tweezers to pull it off its pins andgently move it to the desired position.C

Before you install SIMMs, check the following guidelines toensure that they will work properly:Use only tin-plated, 36-bit, 72-pin, fast-page mode SIM

3.Position the SIMM at an angle over the empty SIMM socket,as shown below. The components on the SIMM should facethe power supply.4.Push the SIMM into

Removing SlMMsIf you need to remove SIMMs from your computer (to installdifferent ones, for example), follow the steps below:1.Remove any option cards

4.If you are inserting different SIMMs, follow the instructionson page 3-11 to install your new SIMMs.5.Replace any option cards you removed, as descr

Remove the two retaining screws securing the power supplyto the back of the computer and the third retaining screwholding the power supply to the base

3.Slide out the slot cover and set it aside. (Store it in a safeplace in case you remove the option card later.)4.Unpack the option card and adjust an

Instructions Importantes de Sécurité1.2.3.4.5.6.7.8.9.Lire completement les instructions qui suivent et les conserverpour references futures.Bien suiv

Once the connectors reach the slot, push the card in firmly(but carefully) to insert it fully. You should feel the card fitinto place. If it does not

2.Remove the two retaining screws securing the option cardconnector board to the back of the computer, as shownbelow.3.Pull the board straight up and

1.Position the board above its slot and push it straight into theconnector, as shown below.2.Secure the board to the back of the computer with its two

For the memory to work properly, you must install chips in thefollowing configuration (each bank contains two video memorysockets).Video memory chip c

If any of the pins are bent, straighten them gently with yourfingers or with small tweezers to align them with the otherpins. Be careful when you do t

Installing External CacheYou can install either 32KB or 128KB of external cache on yoursystem. Use five DRAM, 28-pin, 8 x 8,20ns or 25ns DIP chips toi

4.5.6.Position one of the cache chips over the first socket as shownbelow, aligning the pins on the chip with the holes in thesocket. Make sure the sm

10. Run SETUP to enable the External Cache option andcheck that the Shadow BIOS ROM and Shadow VideoROM options are set to Cacheable or WP-Shadow. Mak

Possible microprocessor upgradesInstalling and Removing Options 3-25

Replacing the Processor ChipYou’ll find it easier to remove your existing microprocessor ifyou remove the option card connector board. Refer to page 3

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 lecordon n’e

3.Gently pull the processor chip straight up and set it aside.4.Remove the replacement chip from its package and inspectthe pins. If they are bent, do

8.If you removed the option card connector board, seepage 3-18 for instructions on replacing it. Then replace anyoption cards you removed.lnstalling a

Replacing the OscillatorIf you are installing a 486SX/33, a 486DX/33, or a 486DX2/66processor, you must replace the existing oscillator with anEclipte

6.Gently push the oscillator into the socket.7.Secure the oscillator to the system board using a new tiewrap. (If you didn’t buy an upgrade kit, you m

Chapter 4lnstalling and Removing DrivesThis chapter describes how to install and remove optionaldrives in your computer. You can use these instruction

Installing a Hard Disk Drive in the Internal Drive BayYour computer may have a hard disk drive already installed inthe internal drive bay. If not, you

Removing the Mounting FramesIf there are mounting frames attached to your hard disk drive,you need to remove them before you can install the drive.Fol

The hard disk drive ribbon cable is attached to your systemboard. You may need to remove it, for instance, to install acable that supports two hard di

2.Locate the hard disk drive connector on the system board.3.4.Position one of the end connectors so that the red wirealigns with pin 1 of the connect

Connecting the drive and power cables to the driveFollow the steps below to connect the hard disk drive ribboncable and a power supply cable to the d

ContentsIntroductionVGA Utilities...Optional Equipment ...Microprocessor...Mathcoprocessor ...

CautionIf you do not correctly align the holes with the pins, youcould severely damage your hard disk drive when youpush in the cable connector.5.Loca

Installing the Hard Disk Below the Mounting BracketIf you have a l-inch tall hard disk drive, you can install it belowthe hard disk drive mounting bra

4.Align the hard disk drive so that the cables lead toward thediskette drive bays and the four holes at the base of thedrive are above the four pegs,

7.Slide the bracket toward the side of the computer, as shownbelow, until the tabs hold the bracket in place.8.Secure the mounting bracket with a scre

2.Lift the mounting bracket out of the computer.3.Turn the hard disk drive over and locate the four mountingholes on the drive.4.Position the bracket

6.Turn the drive and the mounting bracket over, then slidethe slots in the mounting bracket under the tabs at the baseof the computer until the tabs h

Removing a Hard Disk Drive From the InternalDrive BayTo remove a hard disk drive, reverse the installation stepsoutlined above. Then disconnect the ha

Follow these steps to install a drive in the upper horizontaldrive bay:1.Remove the faceplate from the bay. Place your hand behindthe plate through th

3.Slide the drive into the bay until it is flush with the front ofthe computer.4.Align the slots at the side of the drive bay with the mountingholes i

Connecting the Drive and Power CablesTo connect the drive to the computer, you need to connect boththe drive ribbon cable and a power supply cable. Fo

Enabling an External Cache...l-19Setting Shadow ROM Options...l-19Remapping Memory...l-19Using Other S

If you are installing a hard disk drive in the upperhorizontal bay, make sure you use the proper hard diskdrive ribbon cable and connect the ribbon ca

If you installed a diskette drive in the upper bay, it is drive B;the lower drive is A. However, if you want to reassign theupper diskette drive as dr

2.Identify pin 1 on the drive and align the connector so thatthe red wire is at pin 1, as shown below.red wire3.4.Locate the multi-colored power suppl

Post-installation ProceduresAfter you install or remove your drive(s) and replace the coveron your computer, you need to run the SETUP program todefin

Chapter 5Installing Video DriversThe Utility diskettes included with your system containenhanced VGA (video graphics array) drivers and utilities fory

This chapter describes installation procedures for thesecommon applications:Lotus 1-2-3 and Symphony, version 2.x (see page 5-3)Microsoft Windows, ver

Lotus 1-2-3 or SymphonyIf you have not yet installed Lotus 1-2-3 or Symphony, followthe instructions in your Lotus documentation to install it. Thenfo

9. Select Text display to modify the text mode orGraphicsdisplay to modify the graphics resolution.Then press Enter.10. Select the TVGA driver you wan

5.Insert the Utility Diskette 1 in drive A.6.Type the following path and press Enter:A:\WIN7.Select the driver you want to install.8.Follow the instru

9.Press F1 to list the display modes available. Press to seeadditional drivers. Choose the display mode you want touse.NoteMouse support is not a