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Epson Connection is a service mark of Epson America, Inc. General notice: Other product names used herein are for identication purposes only and may be trademarks of their respective owners. Epson disclaims any and all rights in those marks. Copyright © 1993 by Epson America, Inc.
Page 3: Important Safety Instructions

Important Safety Instructions Read all of these instructions and save them for later reference. Follow all warnings and instructions marked on the computer. Unplug the computer from the wall outlet before cleaning. Use a damp cloth for cleaning; do not use liquid or aerosol cleaners. Do not spill liquid of any kind on the computer.
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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.
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Instructions Importantes de Sécurité Lire complètement les instructions qui suivent et les conserver pour références futures. Bien suivre tous les avertissements et les instructions indiqués sur l’ordinateur. Débrancher l’ordinateur de toute sortie murale avant le nettoyage. Utiliser un chiffon humide; ne jamais utiliser un nettoyeur liquide ou une bonbonne aerosol.
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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’ampères branch& dans le cordon n’excède en aucun temps les amp&es du cordon de rallonge. La quantitè totale des appareils branch& dans la prise murale ne doit jamais excéder 15 ampères.
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TIhis equipment has been tested and found device, pursuant to Part 15 of the FTC 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 reception.
Page 8: Table Of Contents

Contents lntroduction Optional Equipment System Memory ......CacheMemory ......VideoMemory .
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Chapter 2 Running SETUP and Installing Driveas * ......Using SETUP Starting the SETUP Program .
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Installing an Option Card Removing an Option Card ..... . . Adding Video Memory ......Installing the Video Chips .
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Tested Operating Environments ....Options Available from Epson ....
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Introduction Your new Epson” computer offers the following features: ® Intel 486SX, DX, or DX2 processor upgradable to faster, more powerful processors, including the Pentium™ OverDrive™ Energy Star compliant, low-power standby mode for the video and hard disk drive for standard configurations...
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Three l6-bit, full-length and two 8-bit, half-length ISA option slots (if your system has a DX, DX2, or Pentium OverDrive processor, access to the bottom 16-bit slot may be blocked by the heat sink/fan assembly) Support for up to two externally accessible and two internal storage devices (see Appendix A for power restrictions) Password security and anti-virus features.
Page 14: Optional Equipment

Your computer’s SETUP program lets you select different timeout periods for the hard disk drive and video signals so you can ensure that the standby feature fits the way you work. Your system may have been configured for you. If so, everything you need to get started is already in place.
Page 15: Videomemory

Video Memory You can add video memory chips to your system board to increase the video memory to 2MB, which allows you to use higher video resolutions with more colors. Microprocessor Your system supports the following microprocessors: 486SX/25 4 8 6 s x m 486DX/33 486DX/50 486DX2/50...
Page 16: Svga And Ide Drivers

SVGA and IDE Drivers Your computer comes with special SVGA and IDE drivers for the integrated local bus SVGA and IDE hard disk drive interfaces. The IDE driver lets you use the high-speed, 32-bit local bus IDE hard disk drive interface which dramatically increases the speed of your computer as it reads from and writes to your hard disk drive.
Page 17: Conventions Used In This Manual

Chapter covers general operating procedures, such as resetting the computer, using the password, and changing the processor speed. Chapter 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.
Page 18: Where To Get Help

If you purchased your computer in the United States, Epson provides the following support services through the Epson Connection” at (800) 922-8911. (You can also contact Epson at (310) 782-0770 and ask for the Epson Connection.)
Page 19: Compuserve On-line Support

States and Canada and ask for representative #529. In other countries, call (614) 529-1611 or your local CompuServe access number. If you are already a CompuServe member, simply type GO EPSON at the menu prompt to reach the Epson America Forum. 8 Introduction...
Page 20: Setting Up Your System

Chapter 1 Setting Up Your System This chapter briefly describes how to set up your computer. It includes the following information: Getting started Connecting peripheral devices Turning the computer on and off. Getting Started Follow the instructions below for choosing a location for your new system and unpacking it.
Page 21: Unpacking Your Computer

Unpacking Your Computer When you unpack your system components, make sure you have these items: Your system may also include Epson’s PS/2 compatible mouse and may come with the operating system and software already installed on a hard disk drive.
Page 22: Connecting Peripheral Devices

Connecting Peripheral Devices Use the illustration below to locate the ports on the back of your system as you connect the keyboard, monitor, printer, and other devices. Your system also includes a removable panel above the mouse and keyboard ports if you want to install a game port connector to the game port interface on the system board.
Page 23: Connecting A Mouse

Connecting a Mouse If you have a PS/2 compatible mouse, connect it to the computer’s built-in mouse port by inserting the connector into the port marked MOUSE. caution Although the connectors keyboard are physically identical, they cannot be used interchangeably. Be sure to plug the mouse connector into the MOUSE port, or you may damage your system.
Page 24: Connecting A Printer Or Other Device

Caution To avoid damaging the connector, be careful not to bend the pins when you insert it. 4. If the connector has retaining screws, tighten them. 5. Plug the monitor’s power cord into the power inlet on the back of the monitor. 6.
Page 25: Connecting The Power Cord

3. Connect the other end of the cable to the printer. To secure the cable, squeeze the clips at each side of the printer port and push them into place. 4. Plug the printer’s power cord into a grounded electrical outlet.
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Always wait at least 20 seconds after you turn off the power before you turn it on again to prevent possible damage to the computer’s electrical circuitry. Do not leave a beverage near your system. Spilled liquid can damage the circuitry of your equipment. Follow these steps to turn on your system: 1.
Page 27: Turning Off The Computer

5. If necessary, use the controls on your monitor to adjust the brightness and contrast characters on the screen. If your monitor has horizontal and vertical hold controls, you may need to use them to stabilize the display. if your system is configured to automatically load a program (such as Windows or the first menu or screen display of that program.
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4. Press the power button to turn off the computer. 5. Turn off the monitor, printer, and any other peripheral devices. 1-10 Setting Up Your System...
Page 29: Using Setup

Chapter 2 Running SETUP and lnstalling Drivers Your computer has a configuration program, SETUP, contained within the BIOS chip on the system board. This program allows you to change the settings for your hardware configuration. The computer also comes with several drivers and utilities on diskette.
Page 30: Starting The Setup Program

System booting options Security password and anti-virus features Green PC options, such as the time intervals before the system and the hard disk drive go into low-power standby mode. SETUP also allows you to see s ummary information about your system.
Page 31: Using The System Setup Option

Using the System Setup Option When you select this option, you see the System Setup screen. From this screen, you can set the system time and date, define your video display type, check system memory, and define the diskette drives. Move the cursor to the value you want to change.
Page 32: Assigning Hard Disk Drive Types

When you boot your system, the system BIOS updates the memory size automatically. You see the memory configuration displayed in the System Memory and fields on this SETUP screen. change these values; if they are not cannot expect them to be, check your jumper settings. Also, check that the SIMM(s) are securely seated in their sockets.
Page 33: Using The Advanced System Setup Options

Defining your own drive type If the parameters for your hard disk do not match the parameters detected by the auto-sensing feature, or if you want to use your drive with parameters other than the defaults, you can define your own drive type. (See Appendix A for a list of predefined hard disk drive types and their parameters.) To define your own drive type, follow these steps: 1.
Page 34: Configuring Memory Shadow

Configuning cache memory The system can configure your Memory you can manually set them. If you have installed external cache, enabling cache memory improves system performance, especially in large data retrieval and processing environments. If you choose to configure the cache memory yourself (rather than let the system configure it for you), you can define the burst wait states and two non-cacheable areas of memory.
Page 35: Configuring Chipset Registers

Configuring chipset registers The system can automatically set your Advanced Control options or you can manually set them to change the values in the chipset registers and optimize your system’s performance. getting these values correctly increases your system performance; however, setting these values incorrectly may cause your system to malfunction or shut down.
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If you set the Disk drive boot sequence option to C: only, you can disable the Floppy seek option so the system doesn’t access the diskette drive during the startup procedure. Disabling this option decreases the time needed to start the system. The other options on this screen determine what you see when your system starts.
Page 37: Setting The Security And Anti-virus Options

Settlng the Security and Anti-Virus Options. When you select the Security and Anti-Virus option from the Main Menu, you see the Security and Anti&Virus screen. The password options on this screen let you define both a Supervisor and a User password. You can also specify whether a password is required when you start the system.
Page 38: Deleting Passwords

To specify a User password, you must first specify a Supervisor password. Follow these steps to enter or change a Supervisor password: 1. Select the Set Supervisor Password option and press Enter. 2. You see a Set Supervisor Password window. Type the password you a password of up to eight characters.
Page 39: Using The Virus Protection Features

Using the Virus Protection Features Several options on the Security and Anti-Virus screen allow you to define system protection features. The Diskette Access option allows you to restrict access to your diskette drives based on the password levels you have defined.
Page 40: Using The Green Pc Features

Two additional options on this screen allow. you to define time intervals for the system to display a prompt asking you whether you have performed your scheduled virus check or your scheduled backup for your hard disk drive’. You can disable these prompts or have them display or Monthly.
Page 41: Viewing The System Summary

Fixed Disk Timeout option period for your hard disk drive. The hard disk drive goes into a low-power standby mode when the mouse and keyboard have been inactive for Note Some hard disk drives do not support a low-power standby mode.
Page 42: Exiting Setup

Exiting SETUP When you leave SETUP, you can save your settings, or exit SETUP without saving your settings. You can also return all values to the factory defaults. To leave SETUP, press Esc from any SETUP screen. From the SETUP Main Menu, you can perform the following functions: Load Default Values Load Values...
Page 43: Installing The Ide Driver

After you run SETUP for the first time, you may need to install the operating system on your computer (if it is not already installed). See your operating system manual for instructions. Once you have installed your operating system, install any software you plan to use.
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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 the following and press INSTALL 4. Follow the instructions on the screen to install the IDE driver on your hard disk.
Page 45: Installing Video Drivers

Installing Video Drivers For instructions on installing video drivers, see the Readme files included on the Drivers diskettes. 2-18 Running SETUP and Installing Drivers...
Page 46: Using Your Computer

Chapter 3 Using Your Computer This chapter briefly describes the following operations: Working comfortably Using energy wisely Using your Green PC features Inserting and removing diskettes Stopping a command or program Resetting the computer Using the password Changing the processor speed. Working Comfortably This section provides some tips for creating a comfortable work...
Page 47: Using Energy Wisely

Keep your copy stand at the same eye level as your screen. This reduces eye and neck strain. Also, rest your eyes occasionally by closing them or focusing on a fixed spot in the distance. Be gentle with your keyboard. Too much force creates tension in your hands.
Page 48: Using Your Green Pc Features

If you have an electronic mail system available to you, send E-mail rather than memos. Not only is this faster, but you’ll save paper and storage space too. Use recycled paper whenever you can. Using Your Green PC Features Your computer places the system, the hard disk drive, or both into a low-power standby mode when the keyboard or mouse has been inactive for the time periods you select in SETUP.
Page 49: Inserting And Removing Diskettes

Inserting and Removing Diskettes To insert a diskette into a 3.5-inch drive, hold the diskette with the label facing up and the shutter leading into the drive, as shown in the following illustration. Slide the diskette into the drive until it clicks into place. To insert a diskette into a 5.25-inch drive, hold the diskette with the label facing up and the read/write slot leading into the drive.
Page 50: Stopping A Command Or Program

Stopping a Command or Program You may sometimes need to stop a command or program while it is running. If you have entered a DOS or application program command that you want Press Pause Press Ctrl C Press Ctrl Break. If these methods do not work, you may need to reset the computer as described below.
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If you set the C: only (see Chapter 2), the operating system must be on the hard disk when you reset the computer. If you selected the other options, the operating system must be either on the hard disk or on a diskette in drive A. If you do not have a hard disk, insert the operating system diskette in drive A.
Page 52: Using A Password

Password Using a Using SETUP, you can define both a Supervisor level password and a User level password. You can also specify whether a password is required when you start the system. This password can also control who has access to the diskette drives. enabled the you must enter the Supervisor or User password every time you turn on or reset the computer.
Page 53: Changing The Processor Speed

Note If you want to delete your password, you must run the SETUP program and follow the Istructions for deleting a password in Chapter 2. If you do not remember your password, see “Password Problems” in Chapter 6. Changing the Processor Speed Your computer’s processor can operate at two speeds: fast (the speed of your microprocessor) or slow (8 MHz).
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You can change the processor speed temporarily by entering one of the following commands from the numeric keypad on your keyboard: To select slow speed, press Ctrl Alt and then press the -key on the numeric keypad. This turns off the speed light. To select fast speed, press Ctrl Alt and then press + on the numeric keypad.
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Chapter 4 Installing and Removing Options You can enhance the performance of your computer by adding optional equipment such as system, video, or cache memory modules, option cards, or a microprocessor upgrade. This chapter first describes how to remove your computer’s cover to install options and how to replace the cover when you are finished.
Page 56: Removing The Cover

Removing the Cover You need to remove the computer’s cover to install any of the options described in this chapter or to install or remove a disk drive (as described in Chapter 5). Follow these steps to remove the cover: 1.
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6. Grasp the sides of the cover and lift it straight up, as shown below: 7. Set the cover aside. 8. Ground yourself to the computer by touching the metal surface of the back panel. Warning Be sure to ground yourself by touching the back panel of the computer every time you remove the cover.
Page 58: Replacing The Cover

Replacing the Cover When you are ready to replace the computer’s cover, follow these steps: Make sure all the internal components are installed Properly. Check all cable connections, especially those that might have been loosened during your work. Make sure all cables are out of the way so they do not catch on the cover.
Page 59: Locating The Internal Components

Locating the Internal Components As you follow the instructions in this chapter, refer to the illustration below to locate the different components inside your computer. Installing and Removing Options...
Page 60: Changing The Jumper Settings

Changing the Jumper Settings The main system board in your computer has a number of jumpers that control certain functions. These jumpers are preset at the factory to default positions. See the illustration below to locate the jumpers on the system board. Note You may need to change the jumpers shown here.
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Use the information in the following tables to change jumper settings, if necessary. Jumper Jumper number Function setting Assigns PARALLEL port as LPT1 1-2* Assigns PARALLEL port as LPT2 Assigns COM1 serial port as COM1 1-2* Assigns COM1 serial port as COM3 1 - 2 Assigns COM2 serial port as COM2 Assigns COM2 serial port as COM4...
Page 62: Setting The Jumpers

cache size 64KB 128KB 256KB If you have no external cache installed. the position of these jumpers does not matter. Processor type jumper settings Processor 486DX/DX2, or Pentium OverDrive 486SX SVGA jumper settings SVCA jumper function Enable on-board SVGA Disable on-board SVGA * Factory settings Setting the Jumper If you need to change any jumper settings, follow these steps:...
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3. A jumper’s setting is determined by where the jumper is placed on the pins. Use the following table to identify the pin settings for 2-pin, 3-pin, and 4-pin jumpers. To identify pin 1, look at the system board under the jumper. A triangle is traced on the board at pin 1.
Page 64: Installing Memory Modules (simms)

Installing Memory Your computer comes with 4MB of memory on a SIMM. By installing additional SIMMs, you can increase the amount of memory in your computer up to 64MB. There are two SIMM sockets on the main system board, and each can contain one memory module.
Page 65: Inserting Simms

SlMM configurations (continued) BANK0 16MB 16MB 32MB 32MB 32MB 32MB 32MB 16MB 32MB 32MB Use only tin-plated, 32-bit or 36-bit, 72-pin, fast-page mode SIMMs that operate at an access speed of 80ns (nanoseconds) or faster. Be sure all the SIMMs operate at the same speed. Inserting SIMMs Make sure the computer is turned off and then follow these steps to install SIMMs:...
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4. Position the SIMM at an angle over the empty SIMM socket, as shown below. 5. Push the SIMM into the socket until it is seated firmly in the slot. Then tilt it upright, as shown below, guiding the hole at each end of the SIMM over the retaining post at each end of the SIMM socket.
Page 67: Removing Slmms

6. Replace any option cards you removed. (See page 4-14 for instructions.) Removing SlMMs If you need to remove SIMMs from your computer (to install different ones, for example), make sure the computer is turned off and then follow the steps below: Make sure the front of the computer is facing you.
Page 68: Installing An Option Card

5. As you pull away the tabs, the SIMM falls to the side. Remove it from the socket. 6. If necessary, follow the same procedure to remove the other SIMM. 7. If you are inserting different SIMMs, follow the instructions on page 4-11 to install them.
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As you install option cards, keep these general guidelines in mind. Usually it does not matter which slot an option card occupies as long as the card fits in the slot. For example, you can place some 8-bit cards in a M-bit slot. When you select the slot you want to use, make sure no components are touching or obstructing other cards or cables.
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Refer to the illustrations below and follow these steps to install an option card: 1. If you are using a l6-bit option slot, go on to step 2. If you are using an 8-bit slot near the power supply, you need to move the power supply before you can remove the metal slot cover.
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2. Remove the retaining screw securing the option slot cover to the computer, as shown below. (Keep the screw to secure the option card to the computer.) 3. Slide out the slot cover and set it aside. (Store it in a safe place in case you remove the option card later.) Installing and Removing Options 4-17...
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4. Hold the card along the top comers and guide it into the connector, as shown below. (If you are installing a full-length card, insert the front edge of the card into the corresponding guide inside the computer’s front panel.) Once the connectors reach the slot, push the card in firmly (but carefully) to insert it fully.
Page 73: Removing An Option Card

Removing Option You may need to remove an option card to access components on the main system board-to change a jumper setting, for example. You may also want to remove a card if you no longer need it. Refer to the option card illustration on page 4-18 and follow these steps: 1.
Page 74: Installing The Video Chips

Installing the video Chips You need two ZIP memory to work properly, you must install one chip in each of the empty video memory sockets on the system board. Follow these steps: 1. Locate the video memory chip sockets on the main system board, shown on page 4-5.
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4. Position one of the ZIP chips over the first empty socket as shown below, aligning pin 1 on the chip (identified by the notch on the top of the chip) with pin 1 on the system board. 5. Gently press the chip halfway into the socket (to make sure it is correctly aligned).
Page 76: Installing External Cache

Installing External Cache You can install 64KB, 128KB, or 256KB of external cache on your system. To install 64KB of external cache, use eight SRAM, 28-pin, 8 x 8, 20ns DIP chips, and one 8 x 8, 20ns tag chip To install 128KB of external cache, use four SRAM, 28-pin, 32 x 8, 20ns DIP chips, and one 8 x 8, 20ns tag chip To install 256KB of external cache, use eight SRAM, 28-pin,...
Page 77: Installing The External Cache Chips

Installing the External Cache Chips Follow these steps to install the external cache chips: 1. Locate the external cache memory sockets on the main system board, shown on page 4-5. 2. If there is an option card in your way, remove it. See page 4-19 for instructions.
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Position one of the cache chips over the first socket as shown below, aligning the pins on the chip with the holes in the socket. Make sure the small notch on the end of, the chip is aligned with the corresponding notch on the socket. Gently press the chip halfway into the socket (to make sure it is correctly aligned).
Page 79: Upgrading The Microprocessor

Upgrading the Microprocessor You can upgrade your computer by replacing the microprocessor with a faster one. The following table lists the components you can use to upgrade the microprocessor in your system. Microprocessor upgrade components Part 486SX/33 processor 486DX/33 processor 486DX/50 processor 486DX2/50 processor 486DX2/66 processor...
Page 80: Replacing The Processor Chip

Replacing the Processor Chip Follow these steps to replace the processor chip: 1. Use the illustration on page 4-5 to locate the microprocessor on the system board. The microprocessor chip may be inserted in a ZIF (Zero Insertion Force) socket. caution Make sure you ground yourself by touching the metal surface on the inside of the computer’s back panel before...
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Note The 486SX/25 microprocessor may be soldered onto an adapter board that is seated in the socket. Remove the adapter board as described above. 4. Remove the replacement chip from its package and inspect the pins. If they are bent, do not install the processor chip. Contact your vendor for a new microprocessor.
Page 82: Installing A Heat Sink

If you are installing a 486 chip rather than a Pentium OverDrive processor, you’ll see an extra row of holes around the outside of the socket. The 486 chip will not fit into the outside row of holes. 7. If your system has a ZIF socket, secure the processor chip by pressing the ZIF handle back to the closed position.
Page 83: Post-installation Procedures

Post-installation Procedures After you install or remove options such as memory modules or a microprocessor, you must run SETUP to update the computer’s configuration. See Chapter 2 for instructions. Additionally, you may need to add some commands to your configuration files. See your operating system manual and the manual that came with your optional equipment.
Page 84: Installing And Removing Drives

Chapter 5 Installing This chapter describes how to install and remove optional drives in your computer. You can use these instructions to install a variety of devices, including hard disk drives, a diskette drive, a tape drive, a CD-ROM, or an optical drive. Although your drive may look different from the ones illustrated here, you should be able to install it the same way.
Page 85: Installing A Hard Disk Drive In The Internal Drive Bay

Installing a Hard Disk Drive in the Internal Drive Bay Your computer may have a hard disk drive already installed in the internal drive bay. If not, you can install a 1-inch high by 3½-inch wide drive in this bay. This section includes steps for the following procedures: Removing the mounting frames from the hard disk drive (if necessary)
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If there are mounting frames attached to your hard disk drive, remove them before you install the drive. Follow these steps: 1. On your drive, there may be a plastic guiderail and metal grounding plate attached to one of the mounting frames. If so, remove the screws securing them to the mounting frame and remove the guiderail and grounding plate.
Page 87: Connecting The Hard Disk Drive Cables

Connecting the Hard Disk Drive Cables To connect the hard disk drive to the computer, you need to connect two cables: the hard disk drive ribbon cable and a power supply cable. The hard disk drive ribbon cable is attached to your system need to remove board.
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2. Locate the hard disk drive connector on the system board. 3. Position the system board connector end of the cable so that the red wire aligns with pin 1 of the connector on the system board. There is a “1” printed on the system board to identify pin 1.
Page 89: Connecting The Drive And Power Cables To The Drive

Connecting the drive and power cables to the drive Follow the steps below to connect the hard disk drive ribbon cable and a power supply cable to the drive: 1. Locate the hard disk drive connector on the end of the hard disk drive ribbon cable.
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Locate one of the power supply cables that lead from the power supply. (They have multi-colored wires and a plastic connector on the end.) Position the power supply cable connector so that its notched corners line up with the notched corners of the power supply connector on the hard disk drive.
Page 91: Installing The Hard Disk Below The Mounting Bracket

Installing the Hard Disk Below the Mounting Bracket If you have a 1-inch tall hard disk drive, you can install it below the hard disk drive mounting bracket. Refer to the illustrations below and follow these steps: 1. Remove the screw securing the mounting bracket to the base of the computer, as shown below.
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4. Align the hard disk drive so the cables lead toward the diskette drive bays and the four screw holes on the base of the drive are above the four pegs, as shown below. 5. Gently lower the drive over the pegs. When the pegs are inserted in the mounting holes on the base of the hard disk drive, the drive will not move from side to side.
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6. Lower the mounting bracket over the hard disk drive, making sure that the slots in the mounting bracket fit over the tabs on the base of the computer. 7. Slide the bracket toward the side of the computer, as shown below, until the tabs hold the bracket in place.
Page 94: Installing The Hard Disk On The Mounting Bracket

Installing the Hard Disk On the Mounting Bracket You can install a hard disk drive on top of the mounting bracket rather than under it. Refer to the illustration of the mounting bracket on page 5-8 and the one below while following these steps: 1.
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5. Secure the bracket to the drive with four screws. If you plan to install two hard disk drives make sure additional option cards do not exceed the power supply limitations. See Appendix A. Also, use flat-head screws to secure a second drive to the mounting bracket.
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7. Secure the mounting bracket with the retaining screw. Note If the drive does not fit within the internal bay, you can move the mounting frame toward the diskette drive bays and align only one set of the slots on the mounting bracket with the tabs on the computer.
Page 97: Removing A Hard Disk Drive From The Internal Drive Bay

Removing a Hard Disk Drive From the Internal Drive Bay To remove a hard disk drive, reverse the installation steps outlined above. Then disconnect the hard disk drive ribbon cable and the Rower supply cable from the back of the drive. When you disconnect the cables, grasp the connectors and pull them straight out so you do not bend the pins;...
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Follow these steps to install a drive in the upper drive bay: 1. Remove the faceplate from the bay by pushing it forward, as shown below. Keep the faceplate in a safe place in case you remove a drive later (or you are installing a drive that you don’t need to access).
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3. Slide the drive into the bay until it is flush with the front of the computer. 4. Align the slots at the side of the drive bay with the mounting holes in the drive. Then secure both sides of the drive to the drive bay using the retaining screws.
Page 100: Connecting The Drive And Power Cables

Connecting the Drive and Power Cables To connect the drive to the computer, you need to connect both the drive ribbon cable and a power supply cable. Follow the steps below. 1. If you are installing a diskette drive, locate the diskette drive ribbon cable.
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3. Locate one of the power supply cables that lead from the power supply. (They have multi-colored wires and a plastic connector on the end.) 4. Align the notched corners of the power supply cable connector with the notched corners of the drive’s power supply connector (such as the one shown below).
Page 102: Removingadrivefromtheupperdrivebay

Removing a Drive from the Upper Drive Bay To remove a drive from the upper drive bay, follow these steps: 1. Remove both the ribbon cable connector and the power cable connector from the drive. 2. Remove the screws securing the drive. 3.
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2. Identify pin 1 on the drive and align the connector so that the red wire is at pin 1, as shown below. Push in the connector. 3. Locate the multicolored power supply cable with the small connector. This cable is attached to the system board rather than the power supply.
Page 104: Post-installatim Procedures

Post-installation Procedures After you install or remove your drive(s) and replace the cover on your computer, you need to run SETUP to define the correct configuration for your newly installed drive. See Chapter 2 for instructions. Installing and Removing Drives 5-21...
Page 105: Identifying Your System

Within each category, a more specific problem is described with possible solutions. If the suggestions here do not solve the problem, contact your Authorized Epson Servicer. Identifying Your System When you request technical assistance, be ready to provide the serial number of your computer, its system BIOS version...
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Use these guidelines to locate information about your system: Serial number: System BIOS version: System configuration MS-DOS version: Software versions: CONFIG.SYS: AUTOEXECBAT: 6-2 Troubleshooting Look on the back panel of the computer to find the serial number. Restart your system. You’ll see the system BIOS version number displayed on the screen when your system performs power-on...
Page 107: The Computer Will Not Start

The Computer Will Not Start The power light is on, but the computer does not start. Make sure the boot options in SETUP are set to access drive A. Then place a bootable diskette in drive A and turn on the computer again.
Page 108: The Computer Does Not Respond

You may have installed option cards that exceed the system’s power requirements. Check the power requirements in Appendix A. You may have installed a SIMM incorrectly. If the system doesn’t detect memory, it won’t start. Check that your SIMM(s) are securely installed in their sockets. If you replace the microprocessor, make sure the new processor chip is installed correctly.
Page 109: Keyboard Problems

Your computer suddenly stops operating. You may have overloaded the power supply. See your option card manual(s) for the power requirements for your option card(s). Then check Appendix A to see if you have exceeded the option slot power limits. Keyboard Problems The screen displays a keyboard error message when you turn on or reset the computer.
Page 110: Monitor Problems

Monitor Problems There is no display on the screen. Check that the monitor’s power switch is on and that its power light is on. Also, the computer may be in low-power standby mode. When you press a mouse button or a key on the keyboard, see if the monitor displays an image.
Page 111: Diskette Problems

Diskette Problems You see a diskette error message. Reinsert the diskette, making sure you insert it all the way. If the drive has a latch, turn it down to secure the diskette. Also, check to see that you have inserted the right type of diskette in the drive.
Page 112: Diskette Drive Problems

Run the SETUP program and configure your system for the correct type of diskette drive. The diskette drive is making loud or unusual noises. Contact your Authorized Epson Servicer. Hard Disk Drive Problems A newly-installed hard disk drive is not working property or its performance is not what you expect.
Page 113

See your operating system manual for instructions. Also, make sure your hard disk drive has been physically formatted by the manufacturer. (All Epson-supplied drives are physically formatted at the factory.) If it has not been physically formatted, use the format utility that came with the drive to format it before you partition it or install the operating system.
Page 114: Password Problems

IDE driver. If you cannot access data on your hard disk or you are seeing read/write errors, the disk may have a physical problem. Contact your Authorized Epson Servicer. Password Problems You have forgotten your password.
Page 115: Software Problems

Problems Software Windows won’t Start after you installed the IDE driver. Reinstall the IDE driver, making sure you load the driver for DOS as well as for Windows. The application program does not start. Check that you are following the correct procedure for starting the program and that it is installed correctly.
Page 116: Printer Problems

Some software, like OS/2, minimum of 8MB to 16MB of RAM to work correctly. Check your software documentation for the minimum memory requirements. If necessary, add additional memory using the instructions in Chapter 4. Printer Problems The printer does not work at all. Check that the printer has power and is properly the computer.
Page 117: Memory Module Problems

The computer may also have some jumpers that must be set for the option card to work properly. See Chapter 4 for system jumper information. Your system may need to operate at the slower processor speed to access the device. Try reducing the processor speed (see chapter 3).
Page 118: Mouse Problems

Mouse Problems Your mouse isn’t working property or you see auxiliary device error message. Make sure the mouse cable is securely port and not the keyboard (K/B) port. Also make sure you installed the mouse driver correctly (if necessary). See the documentation that came with your mouse for instructions.
Page 119

Also, you may not have changed the SETUP program or the jumpers to recognize the new cache. Make sure you have set the External cache option to Enabled and set both the System shadow and the Video shadow optionsto Enabled. See Chapter 4 for instructions on changing the jumper settings or information on installing external cache;...
Page 120: Appendix A Specifications

Appendix A Specifications CPU and Memory 32-bit CPU Green PC energy saver System speed Intel 486SX, DX, or DX2 processor upgradable to faster, more powerful processors, including the Pentium OverDrive Energy Star compliant, low-power standby mode (using less than 30 Watts) for the hard disk drive and the video signals the computer sends to the monitor;...
Page 121

M e m o r y R O M video RAM Shadow RAM M e m o r y relocation C a c h e M a t h coprocessor Clock/ calendar A-2 Specifications 4MB RAM standard on a SIMM; expandable to 64MB using 1MB, 2MB, 4MB, 8MB, 16MB, and 32MB SIMMs;...
Page 122: Controllers

Controllers Video Diskette Hard disk Interfaces Monitor P a r a l l e l Serial Keyboard ® Cirrus Logic GD5428 high speed super VGA local bus controller with True Color support Controller on main system board supports up to two diskette drives or one diskette drive and one tape drive High-speed, 32-bit local bus IDE interface on main system board supports up to two...
Page 123: Massstorage

Mouse Optional game port Option slots Speaker Mass storage Diskette drives Hard disk drives Specifications PS/2 compatible mouse interface built into main system board; 6-pin mini DIN connector Optional IO-pin game port interface on system board; can control joy-stick functions with the addition of a port connector Three 16-bit, full-length and two 8-bit, half-length I/O expansion slots, ISA...
Page 124: Keyboard

Other devices Keyboard SETUP Program System security Virus protection Physical Characteristics Width Depth Height Weght Half-height tape drive, CD-ROM, optical drive, or other storage device; 5¼-inch or 3½-inch with mounting frames Detachable, two-position height; 101 or 102 sculpted keys; country-dependent main typewriter keyboard;...
Page 125: Power Supply

Power Supply Type Input ranges Maximum outputs Frequency Cables Option Slot Power Limits Maximun current For all slots* * Based on a system containing one hard disk drive and one diskette drive. Environmental Requirements condition Temperature Humidity (non-condensing) Altitude A-6 Specifications 65 Watt, UL listed, fan-cooled 100-240 VAC +5 VDC at 7.5 Amps, -5 VDC at 0.1 Amps,...
Page 126: Video Resolutions And Colors

Environmental requirements (continued) Condition Maximum wet bulb Accoustical noise Video Resolutions and Colors Memory Resolution Requirements (MB) 640x480 800x600 1024x768 1280 x 1024 Non-interlaced and interlaced Interlaced Non-operating Operating range range 104° F(40° C) 68° F (20° C) 46.2 dB Color Vertical Frequencies...
Page 127: Hard Disk Drive Types

Hard Disk Drive Types This computer comes with a hard disk auto-sensing feature. When you press with the cursor positioned on the Enter Autotype Placed Disk option in SETUP, the system detects the type of hard disk drive you have installed and fills in the drive information using values in the following table.
Page 128

Hard disk drive types (continued) Specifications...
Page 129: Drive Option Information

Drive Information Option Select 1 or none for the precomp value. lf neither of these options are available, select the maximum available precomp value. A-10 Specifications...
Page 130: Dma Assignments

DMA Assignments Specifications A-11...
Page 131

A-12 Specifications...
Page 132: System I/o Address Map

System I/O Address Map Specifications A-13...
Page 133

A-14 Specification...
Page 134

A-15 Specifications...
Page 135

A-16 Specifications...
Page 136: Connector Pin Assignments

Speaker connector pin assignments (J21) A - 1 7 Specifications...
Page 137

Specification A-18...
Page 138

A-19 Specifications...
Page 139: Tested Operating Environments

SIMM socket pin assignments (continued) Signal Active low logic Tested Operating Environments Although your system will run most software applications, the following operating environments have been tested for compatibility with your system. Microsoft MS-DOS ® Novell DR DOS Novell NetWare* 2.2,3.12, and 4.01 Novell NetWare Lite 1.1 ®...
Page 140: Options Available From Epson

Options Available from Epson Many options for enhancing and supplementing this product are available from Epson, including the following: Monitors 14" monochrome and color monitors 14" Extended color VGA monitor 17" and 20” Professional Series monitors Keyboards 101 or 102 USA...
Page 141: Glossary

Glossary Access speed The time it takes for a device, such as memory or a disk drive, to return data. For example, your computer’s SIMMs return data requested by the microprocessor at an access speed of 70ns. Address The location where information is stored in a computer’s memory.
Page 142

Boot The process a computer performs to check its components and then load the operating system into memory. A wire or group of wires that sends information between components in the computer. The speed of a bus increases by the number and width of the channels the bus uses to move data.
Page 143: Extended Memory

Central Processing Unit. The primary device that interprets instructions, performs tasks, keeps track of stored data, and controls input and output operations. See also Device driver A file containing instructions that allow your computer to recognize and communicate with a device. The device may be a printer, monitor, or other type of device.
Page 144

Integrated Drive Electronics. A type of hard disk drive interface in which the controller is on the drive instead of 0n a controller card. Your computer includes an interface on the main system board for up to two IDE hard disk drives. lnternal cache Cache memory built into your microprocessor.
Page 145: Main System Board

Main system board The circuit board inside your computer containing the circuitry and components your computer needs to operate. Math coprocessor A device that enables the computer to process mathematical calculations faster by using floating point numbers instead of whole numbers. Megabyte (MB) A unit used to measure storage space in a computer’s memory or on a disk.
Page 146

Parallel An interface that transmits data simultaneously over separate wires in a cable. See also Serial. Pathname The directory name(s) you specify to locate a file. For example, the pathname for the file SALES, stored in the subdirectory BUSINESS, is \BUSINESS\SALES. Pentium OverDrive The Pentium OverDrive microprocessor incorporates the latest in Pentium technology, including a 64-bit data path, one 8KB...
Page 147

Read/write head The physical device inside a disk or tape drive that reads data from and writes data to the magnetic surface of the disk or tape. Real-time clock A clock inside the computer that keeps track of the time and date, even when the computer is turned off, by using power from a backup battery.
Page 148: True Color

Serial The type of communication that transmits data from a serial interface to a serial device over a single wire. See also ShadowRAM The feature in your computer that copies the contents of the system, video, and external BIOS ROMs into the RAM area of memory to speed up processing.
Page 149: Video Card

VESA Video Electronic Standards Association. The standards set for a common hardware and software interface to super VGA video adapters; provides simplified software application access to VGA products. Video Graphics Array. A high-resolution display adapter that provides a variety of video modes. Video card See Display adapter card.
Page 150: Index 1

I n d e x AC outlet, 1-3 Advanced Chipset Control option, Advanced System Setup options, 2-6-7 Application programs compatibility, A-20 copy protected, 3-8 installing, 2-16 problems, 6-11 requiring slow speed, 3-8 running under MS-DOS 2-4 stopping, 3-5 Auto-sensing, 2-5, 6-9, A-3 AUTOEXEC.BAT file, 6-2 Autotype Fixed Disk option, 2-5 Back panel, 1-3,4-2...
Page 151

Configuration cache, 4-22 cache memory, 2-7 changing 2-1-2,2-15 drive, 2-5,5-21 files, 4-29,6-2,6-10 SIMM, 2-4,4-10 connecting drive cables, 5-4,5-6,5-17-20 keyboard, 1-3 monitor, 1-4-5 mouse, 1-4 power cord, 1-6 printer, 1-5-6 Connector diskette drive, 5-17-18, A-16 hard disk drive, 5-5-7, A-16 keyboard, 1-3, A-15 monitor, I-3-5, A-15 mouse, 1-4, A-15 option card riser board, A-17...
Page 152

Intro-3, 3-3 monitors, Intro-2, 2-13,3-2,6-5-6, A-1, A-3 problems, 6-5-6, 6-9,6-1 1 settings, 2-2, 2-13-14 Energy, conserving, 3-2 Environmental conditions, 1-1 Epson America Forum, CompuServe, Intro8 Epson Connection, Intro-7 Ergonomic tips, 3-1 Errors disabling messages, 2-9 diskette drive, 2-10, 6-7-8...
Page 153

Frequency, power supply, Ad FuI1-length option slots, A-4 Function keys, SETUP, 2-3 Game port, optional, A-4, A-17 Green PC, Intro-1-3,2-2,2-13-14, 3-3, 6-5--6, 6-9, 6-11, A-1, A-3 Grounding plate, 5-3 yourself, 4-3, 4-20, 4-26 Guiderail 5-3 Half-length option slots, A-4 Hard disk drive access light, 1-7 auto-sensing, 2-5--6,&...
Page 154

Jumpers cache, 4-8, 4-22-24 changing settings, 4-6-9 diskette drive controller, 4-7 hard disk drive, 5-2, 5-12, 6-8 location, 4-5--6 parallel port, 4-7 processor type settings, 4-8 serial ports, 4-7 K/B port, Intro-1, 1-3, A-3, A-15 Key disk, 3-8, 6-11 Keyboard available options, A-21 checking connections, 6-5 Connecting 1-3...
Page 155

Memory shadow, configuring, 2-7 Messages, error, 1-9, 2-10, 6-5, 6-7-10, 6-14 Microprocessor, Processors Modem, 1-6 Monitor available options, A-21 1-9, 6-6 brightness, cables, 1-3-4 connecting 1-4-5 connector, 1-3-5, A-15 contrast, 1-9, 6-6 Energy Star compliant, Intro-2, 2-13, 3-2, 6-5-6, A-1, A-3 power cord, 1-4-5, 6-6 power requirements, 1-5 power switch, 6-6...
Page 156

Parallel port connecting 1-5-6 controller, A-3 Intro-1 description, location 1-3 A-14 assignments, reassigning, 4-7 Password defining, 2-10 deleting, 2-11, 3-8 feature, Intro-2 on boot option 2-10--12 option, 2-11--12, 3-7 problems, 6-10 Supervisor, 2-10--12, 3-7,6-7, A-5 User, 2-10--12, 3-7,6-7, A-5 using, 3-7--8 Pause button, 1-8, 3-5 Pentium OverDrive heat sink/fan, 4-15, 4-25, 4-28, 6-4,...
Page 157

Processors clock speed, 4-7 jumpers, replacing 4-26-27 socket, 4-25 specifications, A-1 speed, 3-8, 4-7, A-1 supported, Intro-4 upgrading 4-25 PS/2 compatible, Intro-1, 1-3, A-3, A-15 RAM, Intro-1, Intro-3, 2-4, 2-7, 6-12, Read/write errors, 6-10 slot, 3-4 Readme files, Intro-5,2-1, 2-18 Real-time clock, 2-4, A-2 RESET button, 1-7, 3-6, 6-1 Resolutions, see Video resolutions...
Page 158

SIMMs removing 4-13-14 sockets, 2-5, 4-5, 4-10-14, 6-13 tin-plated 4-11 type, 4-11, A-2 Slave hard disk drive, 5-12 Slot cover, 4-16 option, see Option Slots, slots Slow processor speed, 3-8--9, 6-11, 6-13, A-1 Sockets cache, 4-5, 4-22-23 microprocessor, 4-5, 4-25-26 optional video memory, 4-5 SIMM, 4-5, 4-10-14, 6-13 video, 4-5, 4-19, 4-21...
Page 159

User password, 2-10-12, 3-7,6-7, A-5 User-defined hard disk drive, 2-6 Utility, disk compaction, 6-10 VGA port, Intro-1, 1-3-4, 2-4 Video BIOS, 6-2, A-2 card option. 2-4 chips, 4-19, A-2 colors, Intro-1-2, Intro-4, 4-19, A-3, controller, A-3 display type, 2-4 drivers, Intro-3, Intro-5, 2-1, 2-16, 2-18 local bus, Intro-1-2, Intro-5, 2-1, A-1, A-3...
Page 160

Tel: (305) 265-0092 Fax: (305) 265-0097 Epson Argentina, S.A. Buenos Aires, Argentina Tel: (541) 322-7487 Fax: (541) 322-4637 Epson Chile, S. A. Santiago, Chile Tel: (562) 232-8966 Fax: (562) 233-3197 Epson Costa Rica, S.A. San Jose, Costa Rica Tel: (506) 34-6666 Fax: (506) 25-6709 Mexico, S.A.
Page 161

Epson International Marketing locations Epson Deutschland GmbH Zulpicher StraBe 6, 4000 Dusseldorf 11 Germany Phone: 211-56030 Telex: 41-8584786 Epson lberica, S.A. Avda. de Roma 18-26 08290 Cerdanyola de1 valles Barcelona, Spain 08036 Phone: 3-582-15-00 Fax: 3-582-15-55 Telex: 50129 Epson Hong Kong Ltd.
Page 162

Distributors S o u t h A m e r i c a SISCO Sao Paulo, SP Brazil Tel: (5511) 574-8877 Fax: (5511) 572-1306 Exhibit Computer Bogota, Colombia Tel: (571) 218-2700 Fax: (571) 218-5370 UPEN Computer Systems Bogota, Colombia Tel: (571) 257-7800 Ace Computers &...
Page 163

Caribbean Caribbean Computer Systems, Ltd. Bridgetown, Barbados Tel: (809) 429-7050 Fax: (809) 427-6089 North Atlantic Data Systems Hamilton, Bermuda Tel: (809) 295-7111 Fax: (809) 292-3834 Columbus Limited Grand Cayman, West Indies, B.W.1 Tel: (809) 949-8039 Fax: (809) 949-7537 WTG / APTEC Systems Limited Kingston Jamaica Tel: (809) 929-9250 Fax: (809) 929-8296...