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EPSON®User’s Guide89Printed on 50% recycled paper with 10% post consumer content

SVGA and IDE DriversYour computer comes with special SVGA and IDE drivers forthe integrated local bus SVGA and IDE hard disk driveinterfaces. The IDE

3.4.If you are installing a 3.5-inch diskette drive with a headerconnector, see page 5-13 for instructions on connecting thecable.Locate one of the po

5.If you installed a hard disk drive in one of the external bays,replace the faceplate. Insert one side of the plate, thengently press on the other si

3.Remove the two screws securing the drive on each side.4. Reach behind the drive and gently push it to the front of thebay; then pull it out of the s

Chapter 6TroubleshootingIf you have any problems as you set up and use yourcomputer, refer to this chapter. You can correct most problemsby adjusting

Use these guidelines to locate information about your system:Serial number:System BIOS version:Systemconfiguration:MS-DOS version:Software versions:CO

The Computer Will Not Startthe power light is on, but the computer does not start.Make sure the boot options in SETUP are set to access drive A.Then p

You installed or 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 or reset the computer.Make sure the keyboard is securely connected to th

Monitor ProblemsThere is no display on the screen.Check that the monitor’s power switch is on and that its powerlight is on.Also, the computer may be

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

How to Use This ManualThis manual contains the information you need to get the bestresults from your computer. You don’t have to read everythingin thi

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

You see a hard disk drive error when you start your system.Run SETUP and check that your system is auto-sensing thecorrect drive type. If auto-sensing

Note that a physical format is different from the action ofsoftware-based formatting commands, such as the MS-DOSFORMAT command.You have been using yo

Software ProblemsWindows won’t start after you installed the IDE driver.Reinstall the IDE driver, making sure you load the driver forDOS as well as fo

Some software, like OS/2®, UNIX®, or NetWare®, typicallyneeds a minimum of 8MB to 16MB of RAM to work correctly.Check your software documentation for

See the documentation that came with the option card to setany necessary DIP switches or jumpers on the card.The computer may also have some jumpers t

Mouse ProblemsYour mouse isn’t working properly or you see an auxiliarydevice error message.Make sure the mouse cable is securely connected to the MOU

External Cache ProblemsThe amount of cache displayed by the power-ondiagnostics program is incorrect.You may have installed the external cache chips i

AppendixSpecificationsCPU and Memory32-bit CPUGreen PCenergy saverSystem speed486SX/25 or /33; SX2/50 or /66; DX/33,/40, or /50; DX2/50 or /66; or Pen

MemoryROMVideo RAMShadow RAMMemoryrelocationCacheMathcoprocessorClock/calendar4MB or 8MB RAM standard on a SIMM;expandable to 64MB using 1MB, 2MB,4MB,

Where to Get HelpIf you purchased your computer in the United States orCanada, EPSON provides customer support and servicethrough a network of Authori

ControllersVideoDisketteCirrus Logic® GD5428 high-speed, superVGA local bus controller with True Colorsupport; provides resolutions up to1280 x 1024 i

MousePS/2 compatible mouse interface built intomain system board; 6-pin mini DINconnectorOptional 10-pin game port interface onsystem board; can contr

Other devicesHalf-height tape drive, CD-ROM drive,optical drive, or other storage device;5¼-inch, or 3½-inch with mountingframesKeyboardDetachable, tw

Power Supply200 Watt, UL/TUV/CSA listed, fan-cooledInput ranges90-130 VAC or 180-260 VAC;switch-selectableMaximumoutput+5 VDC at 20Amps, -5 VDC at 0.5

Video Resolutions and Colorsl Non-interlaced and interlaced** InterlacedEPSON monitor types14" VGA monocolor (A880491)75* 75*17" Professiona

Hard Disk Drive TypesA-8 Specifications

Hard disk drive types (continued)Actual formatted size may be slightly different than size on drive label; youcannot change this value.Specifications

Drive Option lnformationHard disk drive options for high-capacity, 1-inch IDE drivesSelect 1 or none for the precomp value. If neither of these option

l CS (cable selection) can be jumpered for any configuration. When CS isused, the drive is a master if pin 28 is grounded, and a slave if pin 28 is no

Hardware InterruptsA-12 Specifications

If you need help with any software application program youare using, see the documentation that came with that programfor technical support informatio

System Memory MapFFFFFFFFFhFFFFF0000h00100000h000C8000h000C0000h000A0000hSystem BIOS ROM: 64KBDuplicated from 0F0000hResewed for system board: 64KBDup

System I/O Address MapHex addressAssigned device000-01FDMA controller 1,8237020-03FInterrupt controller 1,8259UMC 82C481 chip set configuration regist

*System I/O address map (continued)Specifications A-15

System Board Components

Microprocessor UpgradesThe computer’s processor can be upgraded by replacing theexisting microprocessor with a faster one. You can eitherpurchase an u

Connector Pin AssignmentsParallel port connector pin assignments (CN 12)* Active low logicSerial port connector pin assignments (CN8 and CN 11)A-18 Sp

Tested Operating EnvironmentsAlthough your system will run most software applications,the following operating environments have been tested forcompati

Options Available from EPSONMany options for enhancing this product are available fromEPSON, including the following:Monitors14” VGA monochrome and co

GlossaryBIOSBasic Input/Output System. Routines in ROM (Read OnlyMemory) that handle the transfer of information in youroperating system.CacheA high-s

IDEIntegrated Drive Electronics. A type of hard disk drive interfacein which the controller is on the drive instead of on a controllercard. Your compu

ContentsIntroductionOptional Equipment...3System Memory...3Video Memory...3Cache

Pentium OverDriveA sophisticated CPU which incorporates the latest in Pentiumtechnology, including a 64-bit data path, one 8KB internal cachefor read-

SIMMSee Memory module.SVGASuper VGA (Video Graphics Array). In addition to supportingstandard VGA modes, your computer’s built-in SVGAcontroller suppo

IndexAAC outlet, 1-4Advanced Chipset Control option,2-8Advanced System Setup option,2-6 -7Altitude requirements, A-6Application programscompatibility,

Configurationcache, Intro-l, Intro-4, 2-7, 4-22changing, 2-1-15drive, 2-5 --6, 5-22files, 4-27, 6-2, 6-10program, see SETUP programsystem, 2-4 --5, 2-

Diskette(s)access, controlling 2-10, 3-7, 6-7,A-5defective, 6-7drivers, 2-16-17formatting 6-7inserting 3-4key, 3-8, 6-11problems, 6-7release button, 3

HHard disk driveaccess light, 1-8auto-sensing, 2-5 -6, 6-9, A-3bays, 4-5boot sequence, 2-8 -9, 3-6cable, 5-9 -10, 5-12, 5-14 -15, 5-20 -22configuratio

KK/B port, see KeyboardKey disk, 3-8, 6-11Keyboardavailable options, A-20controller, A-16errors, 6-5port, 1-4 -5, A-3problems, 6-5 specifications, A-3

OOn-line support, Intro-8Operating environments, tested,A-19Operating range, A-6Operating systemdiskette, 3-6, 6-3installing, 1-9, 2-16prompt, 1-9relo

RRAM, 2-7, A-2Read/write errors, 6-10Real-time clock, 2-4, A-2RESET button, l-g, 3-6-7Resetting the computer, 3-5 -6, 6-1Resolutions, see Video resolu

System (continued)memory map, A-13memory, see Memoryoptimizing performance, 2-7 -8speed, changing, 3-8, A-lstartup information, 2-9, 6-2summary, 2-9,

Using the Advanced System Setup Options...2-6Setting the Boot Options...2-8Setting the Security and Anti-Virus Options...

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EPSON Worldwide SubsidiariesEpson Deutschland GmbHZi.ilpicher St&e 6,4000 Dusseldorf 11GermanyPhone: 211-56030Telex: 41-8584786Epson Iberica, S.A.

DistributorsSouth AmericaSISCO!%o Paulo, SP BrazilTel: (5511) 574-8877Fax: (5511) 572-1306Exhibit ComputerBogota, ColombiaTel: (571) 218-2700Fax: (571

Caribbean Computer Systems, Ltd.Bridgetown, BarbadosTel: (809) 429-7050Fax: (809) 427-6089North Atlantic Data SystemsHamilton, BermudaTel: (809) 295-7

Installing External Cache...4-22Installing the External Cache Chips...4-23Upgrading the Microprocessor...

Mouse Problems...6-14Controller Problems...6-14External Cache Problems...6-15Int

Setting Up Your SystemThis chapter briefly describes how to set up your computer. Itincludes the following information:Q Getting started0Setting the v

Unpacking Your ComputerWhen you unpack your system components, make sure youhave these items:powercordcomputerdiskettesIf you purchased optional equip

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

Setting the Voltage Selector SwitchYour system is powered by a 200 watt power supply. Thepower supply voltage is controlled by a switch on thecomputer

Connecting System ComponentsUse the illustration below to locate the ports on the back ofyour system as you connect the keyboard, monitor, printer, an

Connecting a Keyboard or MouseTo connect a keyboard, hold the cable connector so the arrowon the connector faces up. Insert it into the port marked K/

3. Examine the connector on the monitor cable and line it upwith the VGA port on the computer. Then insert theconnector into the port.CautionTo avoid

Connecting a Printer or Other DeviceYour computer has one bidirectional parallel and two serialports. To connect a printer or other peripheral device,

Connecting the Power CordFollow these steps to connect the computer’s power cord:1.Plug the power cord into the power inlet on the back of thecomputer

Before you turn on your computer, be sure to read theImportant Safety Instructions at the beginning of this manual.Follow these steps to turn on your

Now you need to run the SETUP program to make sure yourcomputer is configured properly. First turn off the computer, asdescribed below, then see Chapt

Chapter 2Running SETUP and Installing DriversYour computer has a configuration program, SETUP, containedwithin the BIOS chip on the system board. This

QAutomatic or manual selection of advanced hardwarefeatures for optimizing system performanceQ System booting optionsClSecurity password and anti-viru

Important Safety InstructionsRead all of these instructions and save them for later reference. Followall warnings and instructions marked on the compu

SETUP displays the Main Menu. From this menu, you canselect the various options to identify your system’sconfiguration and then save your new values.

Using the System Setup OptionWhen you select this option, you see the System Setup screen.From this screen, you can set the system time and date, defi

You cannot change these values; if they are not what youexpect them to be, check your jumper settings. Also, check thatthe SIMM(s) are securely seated

Defining your own drive typeIf the parameters for your hard disk do not match theparameters detected by the auto-sensing feature, or if you wantto use

Configuring cache memoryThe system can configure your memory Cache options oryou can manually set them. If you have installed externalcache, enabling

Configuring chipset registersThe system can automatically set your Advanced ChipsetControloptions or you can manually set them to change thevalues in

If you set the Disk drive boot sequence option toC: only, you should disable the Floppy seek option so thesystem doesn’t access the diskette drive dur

Setting the Security and Anti-Virus OptionsWhen you select the Security and Anti-Virus optionfrom the Main Menu, you see the Security and Anti-Virussc

To specify a User password, you must first specify a Supervisorpassword. Follow these steps to enter or change a Supervisorpassword:1. Select the Set

Using the Virus Protection FeaturesSeveral options on the Security and Anti-Virus screen allowyou to define system protection features.The Diskette Ac

Importantes instructions de sécuritéLire attentivement les instructions suivantes et les conserver pour lesconsulter en cas de be&n. Observer soig

Two additional options on this screen allow you to define timeintervals for the system to display a prompt asking youwhether you have performed your s

The Fixed Disk Timeout optiondetermines the time-outperiod for your hard disk drive. The hard disk drive goes into alow-power standby mode when the mo

Exiting SETUPWhen you leave SETUP, you can save your settings, or exitSETUP without saving your settings. You can also return allvalues to the factory

Post-SETUP ProceduresAfter you run SETUP for the first time, you may need to installthe operating system on your computer (if it is not alreadyinstall

Follow these steps to install the IDE driver:1.Insert the Drivers diskette 1 in drive A.2.Log onto the IDE subdirectory on drive A.3.Type INSTALL and

Installing Video DriversDrivers diskette 2, included with your system, contains severalutilities and video drivers for Windows and popular DOSapplicat

Chapter 3Using Your ComputerThis chapter briefly describes the following operations:tlWorking comfortablyaUsing energy wiselyPUsing your Green PC feat

cl0a0Keep your copy stand at the same eye level as your screen.This reduces eye and neck strain. Also, rest your eyesoccasionally by closing them or f

0If you have an electronic mail system available to you, sendE-mail rather than memos. Not only is this faster, but you’llsave paper and storage space

Inserting and Removing DiskettesTo insert a diskette into a 3.5-inch drive, hold the diskette withthe label facing up and the shutter leading into the

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

Stopping a Command or ProgramYou may sometimes need to stop a command or program whileit is running. If you have entered a DOS or application programc

If you set the Disk drive boot sequence in SETUP toC: only (see Chapter 2), the operating system must be on thehard disk when you reset the computer.

If you set the Diskette Access option to Supervisor, youcan access a diskette drive only if you entered the Supervisorpassword when you started your s

Changing the Processor SpeedYour computer’s processor can operate at two speeds: fast (thespeed of your microprocessor) or slow (8 MHZ). At fast speed

Chapter 4Installing 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. Grasping the sides of the cover, lift it up at an angle and pullit off, as shown below:7. Set the cover aside.8.Ground yourself to the computer by

Replacing the CoverWhen you are ready to replace the computer’s cover, followthese steps:1.2.Make sure all the internal components are installed prope

Locating the Internal ComponentsAs you follow the instructions in this chapter, refer to theillustration below to locate the major components inside y

The illustration below shows the main system board insideyour computer. Use this illustration to locate jumpers, SIMMsockets, the microprocessor socke

IntroductionYour new EPSON® computer is a versatile system ideallysuited for use as a network server or high-poweredworkstation. It offers the followi

Changing the Jumper SettingsThe jumpers on the main system board are preset to factorydefault positions, indicated by an asterisk (*) in the tablesbel

External cache jumper settingsNote: If you have no external cache installed, the position of these jumpersdoes not matter.Processor clock jumper setti

PS/2 mouse jumper settings1 Jumper function1 J11 J7IEnable PS/2 mouse support2-3 2-3IDisable PS/2 mouse support1 1-21 1-2INote: Enabling PS/2 mouse su

2-pin OnI3-pinI1-2To move a jumper from one position to another, useneedle-nose pliers or tweezers to pull it off its pins andgently move it to the de

lnstalling Memory Modules (SIMMs)Your computer comes with 4MB or 8MB of memory on aSIMM. By installing additional SIMMs, you can increase theamount of

SIMM configurations (continued)TotalIBANK 14MB8MB16MBX1MBBANK 2BANK 3X XXXX XXXXXXX20 MBII32MB 2MBI32MBXIx36MBII32MB8MBXIx40MBII16MBXIx48MBII32MB16MBX

Inserting SIMMsMake sure the computer is turned off and the cover is off. Thenfollow these steps to install SIMMs:1.2.3.4.Refer to the illustration on

5.6.Push the SIMM into the socket until it is seated firmly in theslot. Then tilt it upright, as shown below, guiding the holeat each end of the SIMM

3. Use your fingers or a small screwdriver to carefully pullaway the tabs that secure the SIMM at each end, as shownbelow. The SIMM falls to the side.

5.Follow the same procedure to remove any other SIMMs.6. If you are inserting different SIMMs, follow the instructionson page 4-13 to install them.7.R

0Three 16-bit, ISA option/expansion slots (one full-lengthand two half-length) and two 32-bit VESA local bus slots(VESA slots can also be used for ISA

0Adjust any switches or jumpers on the card, if necessary,before you install it. (See the option card instructions.) Also,see if you need to change an

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

3.4.5.Hold the card along the top comers with the componentsfacing down and guide it into the slot.Once the connectors reach the slot, push the card i

Adding Video MemoryYour computer comes with 1MB of video memory. You canincrease your video memory to 2MB by installing eight videoDRAM, 256KB x 4 x 4

4.5.6.7.8.9.If any of the pins are bent or crooked, straighten them gentlywith your fingers or with small tweezers to align them withthe other pins. B

Installing External CacheYou can install 64KB, 128KB, or 256KB of external cache onyour system.PTo install 64KB of external cache, use eight SRAM, 28-

Installing the External Cache ChipsNote that your external cache memory sockets may not lookexactly like the ones in the illustration. If you’re not s

4.5.6.7.8.9.Position one of the cache chips over the first socket as shownbelow, aligning the pins on the chip with the holes in thesocket. Align the

Upgrading the MicroprocessorYou can upgrade your microprocessor with a faster one toimprove system performance; see the Appendix for a list ofcompatib

NoteIf your socket has a basket-type handle, lift the handlestraight up to release the microprocessor.5.Gently pull the microprocessor straight up and

Your computer’s SETUP configuration program lets you selectdifferent time-out periods for the hard disk drive and videosignals so you can ensure that

8. Make sure the pins in the processor chip are directly over theholes in the socket. Then gently push the microprocessorstraight into the socket, pre

Chapter 5Installing and Removing DrivesThis chapter describes how to install and remove optionaldrives in your computer. You can use these instruction

Some of the steps in this chapter may not apply for the driveyou are installing. See the documentation that came with yourdrive for more information.R

2.Remove the screws securing the bracket to the drive bay andbrace.drive bayIbrace3.Slide the bracket and drive(s) away from the front of thecomputer

Installing a Hard Disk Drive Using the MountingBracketYou can install a hard disk drive below the diskette drive in themounting bracket, once you have

Removing the Mounting FramesIf there are mounting frames attached to your hard disk drive,remove them before you install the drive. Follow these steps

NoteBefore you install the hard disk drive, turn it over so you cansee the circuit board, as shown below. Locate the side of thedrive connector contai

2.Align the holes in the drive with the oval-shaped holes in thebracket.3.Secure the drive with two or four screws, depending on thelocation of the ho

Replacing the Bracket and Drives in the ComputerFollow these steps to replace the bracket and drives in yourcomputer:1.Lower the bracket with the driv

Connecting the Drive CablesAfter you replace the bracket, you need to connect the cablesfor both the hard disk drive and the diskette drive. This sect

Cache MemoryYou can increase the cache memory to 64KB, 128KB, or 256KBby installing additional SRAM chips on your main systemboard. Additional cache a

3. Position the system board connector end of the cable so thatthe red wire aligns with pin 1 of the connector on thesystem board. There is a “1” prin

2.Locate pin 1 on the drive connector. If you do not see it onthe connector casing and you did not locate it before youreplaced the drive bracket, you

5. Locate one of the power supply cables that lead from thepower supply. (They have multi-colored wires and a plasticconnector on the end.)6. Position

Reconnecting the Cables to the Diskette DriveAfter you replace the drive bracket and connect the hard drivecables, you need to reconnect the diskette

Removing a Hard Disk Drive From the MountingBracketFollow these steps if you need to remove the hard disk drivefrom the bracket:1.Disconnect the cable

Installing a Drive in an External Drive BayYour system comes with two externally accessible drive bays.You can use these bays to install any combinati

Attaching Mounting Frames to the DriveFollow these steps to attach mounting frames to a drive:1.Locate the two mounting frames and four screws that ca

Installing the DriveBefore you can install a drive in one of the external bays, youmust first remove the mounting bracket with the diskette drive(and

2. Slide the drive through the slot into the bay until it is flushwith the front of the computer.3.Align the slots at the side of the drive bay with t

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. If