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® EPSON User’s Guide Printed on 50% recycled paper with 10% post consumer content...
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EPSON Connection is a service mark of Epson America, Inc. General notice: Other product names used herein are for identification purposes only and may be trademarks of their respective owners. EPSON disclaims any and all rights in thosemarks. The Energy Star emblem does not represent EPA endorsement of any product or service.
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 before cleaning. Clean with a damp cloth only. Do not spill liquid on the computer. Do not place the computer on an unstable surface or near a radiator or heat register.
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Importantes instructions de sécurité Lire attentivement les instructions suivantes et les conserver pour les consulter en cas de be&n. Observer soigneusement tous les avertksements et directives marques sur l’ordinateur. D&brancher l’ordinateur avant de le nettoyer. N’utiliser qu’un chiffon humide. Veiller a ne pas renverser de liquides sur l’appareil. Ne pas placer I’ordinateur sur une surface instable ni p&s d’une source de cbaleur.
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This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio and television reception.
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Introduction Your new EPSON® computer is a versatile system ideally suited for use as a network server or high-powered workstation. It offers the following features: Upgradable 486SX, SX2, DX, DX2, or Pentium™ OverDrive™ processor Energy Star compliant, low-power standby mode for the...
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0 Three 16-bit, ISA option/expansion slots (one full-length and two half-length) and two 32-bit VESA local bus slots (VESA slots can also be used for ISA cards) 0 Space for up to four mass storage devices, three externally accessible and one internal; on-board controllers support up to two IDE hard disk drives and two diskette drives 0 Password security and anti-virus features.
Page 8: Introduction 3

Your computer’s SETUP configuration program lets you select different time-out 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 9: Cache Memory

Cache Memory You can increase the cache memory to 64KB, 128KB, or 256KB by installing additional SRAM chips on your main system board. Additional cache allows your system to access frequently used data faster, improving the overall performance of the system. Microprocessor Your system supports the following microprocessors: 486SX/25 or /33...
Page 10: 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 11: How To Use This Manual

How to Use This Manual This manual contains the information you need to get the best results from your computer. You don’t have to read everything in this book; see the following chapter summaries to find the sections you need. Chapter 1 provides instructions for setting up your system and connecting peripheral devices such as the monitor and printer.
Page 12: Where To Get Help

Canada, EPSON provides customer support and service through a network of Authorized EPSON Customer Care Centers. EPSON also provides support services through the EPSON Connection.” In the United States, dial (800) 922-8911. In Canada, dial (800) GO-EPSON. Call the EPSON Connection for the following:...
Page 13: Compuserve On-line Support

States and Canada and ask for representative #529. In other countries, call the following U.S. telephone number: (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 14: Table Of Contents

Contents Introduction Optional Equipment System Memory......Video Memory ......Cache Memory .
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Using the Advanced System Setup Options ..Setting the Boot Options ..... Setting the Security and Anti-Virus Options .
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Installing External Cache ......4-22 Installing the External Cache Chips ....4-23 Upgrading the Microprocessor .
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Connector Pin Assignments ..... . Tested Operating Environments Options Available from EPSON ....Index EPSON U.S.
Page 18: Setting Up Your System

Setting Up Your System This chapter briefly describes how to set up your computer. It includes the following information: Q Getting started 0 Setting the voltage selector switch 0 Connecting system components CI Turning the computer on and off. Getting Started Follow the instructions below for choosing a location for your new system and unpacking it.
Page 19: Unpacking Your Computer

Unpacking Your Computer When you unpack your system components, make sure you have these items: power cord diskettes If you purchased optional equipment that wasn’t installed at the factory-such as option cards, memory modules, a hard disk, or a diskette drive-install these options before you connect your computer.
Page 20: Setting The Voltage Selector Switch

Setting the Voltage Selector Switch Your system is powered by a 200 watt power supply. The power supply voltage is controlled by a switch on the computer’s back panel that may be set to 110 VAC or 220 VAC. The computer is shipped with the voltage selector switch set to 110 VAC.
Page 21: Connecting System Components

Connecting System Components Use the illustration below to locate the ports on the back of your system as you connect the keyboard, monitor, printer, and other devices. power Your system also includes two removable panels above the mouse and keyboard ports. You can remove these panels if you want to install a game port connector to the game port interface on the system board or if you install an optional external port.
Page 22: Connecting A Keyboard Or Mouse

Connecting a Keyboard or Mouse To connect a keyboard, hold the cable connector so the arrow on the connector faces up. Insert it into the port marked K/B. 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.
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3. Examine the connector on the monitor cable and line it up with the VGA port on the computer. Then insert the connector into the port. Caution To avoid damaging the connector, be careful not to bend the pins when you insert it. 4.
Page 24: Connecting A Printer Or Other Device

Connecting a Printer or Other Device Your computer has one bidirectional parallel and two serial ports. To connect a printer or other peripheral device, follow the appropriate instructions below. Using the parallel port Follow these steps to connect a parallel printer to your computer: Place the printer next to the computer so that the backs are facing you.
Page 25: Connecting The Power Cord

Connecting the Power Cord Follow these steps to connect the computer’s power cord: 1. Plug the power cord into the power inlet on the back of the computer. WARNING To avoid an electric shock, be sure to plug the cord into the computer before plugging it into the wall outlet.
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Before you turn on your computer, be sure to read the Important Safety Instructions at the beginning of this manual. Follow these steps to turn on your system: 1. If there is a protective card in the diskette drive, remove it. 2.
Page 27: Turning Off The Computer

Now you need to run the SETUP program to make sure your computer is configured properly. First turn off the computer, as described below, then see Chapter 2 for instructions. When you finish running SETUP, see “Post-SETUP Procedures” on page 2-16 for guidelines on what to do next.
Page 28: Using Setup

Chapter 2 Running SETUP and Installing 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, which may be already installed on your hard disk.
Page 29: Starting The Setup Program

Q Automatic or manual selection of advanced hardware features for optimizing system performance Q System booting options Cl Security password and anti-virus features Q Green PC options, such as the time intervals before the system and the hard disk drive go into low-power standby mode.
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SETUP displays the Main Menu. From this menu, you can select the various options to identify your system’s configuration and then save your new values. If you change your mind, you can cancel any changes you have made and restore the default values stored in ROM or load the previously stored values.
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

You cannot change these values; if they are not what you expect them to be, check your jumper settings. Also, check that the SIMM(s) are securely seated in their sockets. (See chapter 4.) Setting the diskette drive(s) On your system, diskette drive A is the 3.5-inch, highdensity drive installed in the computer.
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 Cache Memory

Configuring cache memory The system can configure your memory Cache options or 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: Setting The Boot Options

Configuring chipset registers The system can automatically set your Advanced Chipset Control options or you can manually set them to change the values in the chipset registers and optimize your system’s performance. Setting 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 should 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. options on this screen determine what you see when The other your system starts.
Page 37: Setting The Security And Anti-virus Options

Setting 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 want to use, then press Enter.
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 Daily, weekly, or monthly.
Page 41: Viewing The System Summary

The Fixed Disk Timeout optiondetermines the time-out 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 the period of time you’ve indicated. 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 E SETUP Main Menu, you can perform the following functions: Load ROM Default Values Load Values...
Page 43: Post-setup Procedures

Post-SETUP Procedures 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 and press INSTALL 4. Follow the instructions on the screen to install the IDE driver on your hard disk.
Page 45: Installing Video Drivers

If you want to print the file so you can follow along as you install the drivers, type To obtain drivers for additional applications or new drivers which may become available, contact the EPSON Connection or access the Epson America Forum on CompuServe. 2-18 Running SETUP and Installing Drivers and press Enter.
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 theprocessor speed. Working Comfortably This section provides some tips for creating a comfortable work environment.
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

0 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. 0 Use recycled paper whenever you can and, if possible, reuse or recycle used paper instead of throwing it away. Using Your Green PC Features If you have an Energy Starcompliant monitor, your computer places the monitor, the hard disk drive, or both into a...
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: Resetting The Computer

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 to stop, try one of the following: P Press Ctrl C 0 Press Ctrl Break.
Page 51: Using A Password

If you set the Disk drive boot sequence in SETUP to 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.
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If you set the Diskette Access option to Supervisor, you can access a diskette drive only if you entered the Supervisor password when you started your system. If you entered a User password when you started the system but the Diskette Access option is set to Supervisor, you see an error message when you access the diskette drive.
Page 53: Changing The Processor Speed

Changing the Processor Speed Your computer’s processor can operate at two speeds: fast (the speed of your microprocessor) or slow (8 MHZ). At fast speed, the computer performs all tasks faster. The slow speed is available for compatibility with some copy-protected programs or application programs with specific timing requirements.
Page 54: Installing And Removing Options

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 55: 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: 1. Turn off the computer and then any peripheral devices (including the monitor and printer).
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6. Grasping the sides of the cover, lift it up at an angle and pull it off, as shown below: 7. Set the cover aside. 8. Ground yourself to the computer by touching the metal surface of the back panel. Installing and Removing Options...
Page 57: 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 been loosened during your work. 3. Make sure alI cables are out of the way so they do not catch on the cover.
Page 58: Locating The Internal Components

Locating the Internal Components As you follow the instructions in this chapter, refer to the illustration below to locate the major components inside your computer. option card connector board optional video memory sockets optional external cache sockets VESA connector microprocessor SIMM sockets bracket...
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The illustration below shows the main system board inside your computer. Use this illustration to locate jumpers, SIMM sockets, the microprocessor socket, external cache sockets, and video memory chip sockets. video, parallel, serial connectors J19, J20. optional v i d e o L memory sockets J24, J25,...
Page 60: Changing The Jumper Settings

Changing the Jumper Settings The jumpers on the main system board are preset to factory default positions, indicated by an asterisk (*) in the tables below. (See the illustration above to locate jumpers.) Use the information in this section to change jumper settings, if necessary.
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External cache jumper settings Note: If you have no external cache installed, the position of these jumpers does not matter. Processor clock jumper settings Note: Change these jumpers only if you upgrade your CPU. Make sure you set the jumpers correctly. A setting that is too fast could severly damage your CPU.
Page 62: Setting The Jumpers

PS/2 mouse jumper settings 1 Jumper function Enable PS/2 mouse support Disable PS/2 mouse support Note: Enabling PS/2 mouse support reduces your system memory by 1 K. If you need this extra memory, you can disable PS/2 mouse support and use a serial mouse.
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2-pin 3-pin jumper from one position to another, use move a needle-nose pliers or tweezers to pull it off its pins and gently move it to the desired position. Caution Be careful not to bend the jumper pins or damage any components on the main system board.
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lnstalling Memory Modules (SIMMs) Your computer comes with 4MB or 8MB of memory on a SIMM. By installing additional SIMMs, you can increase the amount of memory in your computer up to 64MB. There are four SIMM sockets on the main system board, and each can contain one memory module.
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SIMMs operate at the same speed. Your SIMM sockets may not look exactly like the ones in the illustrations. If you’re not sure how to install SIMMs, contact the EPSON Connection or ask for assistance. Installing and Removing options 4-12...
Page 66: Inserting Simms

Inserting SIMMs Make sure the computer is turned off and the cover is off. Then follow these steps to install SIMMs: Refer to the illustration on page sockets on the right side of the system board, next to the power supply connector. Remove any option cards that may be blocking your access to the SIMM sockets.
Page 67: Removing Simms

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. If it does not go in smoothly, do not force it;...
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3. Use your fingers or a small screwdriver to carefully pull away the tabs that secure the SIMM at each end, as shown below. The SIMM falls to the side. 4. Remove the SIMM from the socket.
Page 69: Installing An Option Card

5. Follow the same procedure to remove any other SIMMs. 6. If you are inserting different SIMMs, follow the instructions on page 4-13 to install them. 7. Replace any option cards you removed, as described below. Installing an Option Card This section explains how to install option cards in your computer.
Page 70: Installing A Card In A Full-length Slot

0 Adjust 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 any jumpers on the system board, such as jumper J15, which determines the wait states for your VESA slots.
Page 71: Instaiiing A Card In A Haif-length Slot

Once the connectors reach the slot, push the card in firmly (but carefully) to insert it fully. You should feel the card fit into place. If it does not go in smoothly, do not force it; pull the card all the way out and try again. 4.
Page 72: Removing An Option Card

Hold the card along the top comers with the components facing down and guide it into the slot. Once the connectors reach the slot, push the card in firmly (but carefully) to insert it fully. You should feel the card fit into place.
Page 73: Adding Video Memory

Note that your video memory sockets may not look exactly like the ones in the illustration. If you’re not sure how to install video memory chips, contact the EPSON Connection or ask for assistance. Follow these steps to install video memory chips: Locate the video memory chip sockets on the main system board, shown on page 4-5.
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If any of the pins are bent or crooked, straighten them gently with your fingers or with small tweezers to align them with the other pins. Be careful when you do this; the pins are fragile and can break off easily. Position one of the DIP chips over the first empty socket as shown below, aligning the notch on the chip with the notch on the socket.
Page 75: Installing External Cache

Installing External Cache You can install 64KB, 128KB, or 256KB of external cache on your system. P To install 64KB of external cache, use eight SRAM, 28-pin, 8x8, 20ns DIP chips, and one 8x8, 20ns tag chip 0 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 Q To install 256KB of external cache, use eight SRAM, 28-pin, 32 x 8, 20ns DIP chips, and one 32 x 8, 20ns tag chip...
Page 76: Installing The External Cache Chips

Note that your external cache memory sockets may not look exactly like the ones in the illustration. If you’re not sure how to install external cache chips, contact the EPSON Connection or ask for assistance. Follow these steps to install the external cache chips: Locate the external cache memory sockets on the main system board, shown on page 4-5.
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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. Align the small notch on the end of the chip with the corresponding notch on the socket. notch Gently press the chip halfway into the socket (to make sure it is correctly aligned).
Page 78: Upgrading The Microprocessor

Note that your microprocessor socket may not look exactly like the one in the illustration. If you’re not sure how to install a microprocessor, contact the EPSON Connection or ask for assistance. Follow these steps to replace the microprocessor: 1.
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Note If your socket has a basket-type handle, lift the handle straight up to release the microprocessor. 5. Gently pull the microprocessor straight up and set it aside. (Store the chip in the packaging included with your new microprocessor, in case you need to reinstall it later.) 6.
Page 80: Post-installation Procedures

8. Make sure the pins in the processor chip are directly over the holes in the socket. Then gently push the microprocessor straight into the socket, pressing evenly on all sides. 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.
Page 81: Chapter 5 Installing And Removing Drives

Chapter 5 Installing and Removing Drives 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 drive, or an optical drive.
Page 82: Removing The Diskette Drive And Mounting Bracket

Some of the steps in this chapter may not apply for the drive you are installing. See the documentation that came with your drive for more information. Removing the Diskette Drive and Mounting Bracket Your computer has a 3.5-inch diskette drive installed in a mounting bracket.
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2. Remove the screws securing the bracket to the drive bay and brace. drive bay brace 3. Slide the bracket and drive(s) away from the front of the computer and lift them out. Installing and Removing Drives...
Page 84: Installing A Hard Disk Drive Using The Mounting Bracket

SETUP program is included in Appendix A, along with a table of jumper settings for high-capacity EPSON drives. If your drive is not listed or you need more information, see the documentation that came with your drive or contact the manufacturer.
Page 85: Removing The Mounting Frames

Removing the Mounting Frames 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 86: Installing The Hard Disk Drive Below The Diskette Drive

Note Before you install the hard disk drive, turn it over so you can see the circuit board, as shown below. Locate the side of the drive connector containing pin 1, indicated by a “1” or “2” printed on the board. You will need to know the location of pin 1 when you connect the hard drive cable.
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2. Align the holes in the drive with the oval-shaped holes in the bracket. 3. Secure the drive with two or four screws, depending on the location of the holes. Installing and Removing Drivers...
Page 88: Replacing The Bracket And Drives In The Computer

Replacing the Bracket and Drives in the Computer Follow these steps to replace the bracket and drives in your computer: 1. Lower the bracket with the drives into the mounting area and slide it forward, inserting the front of the diskette drive through the drive slot in the front panel of the computer.
Page 89: Connecting The Drive Cables

Connecting the Drive Cables After you replace the bracket, you need to for both the hard disk drive and the diskette drive. This section includes steps for the following procedures: Connecting the drive ribbon cable to the system board P Connecting the cables to the hard disk drive(s) Reconnecting the cables to the diskette drive.
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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. connector 4.
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2. Locate pin 1 on the drive connector. If you do not see it on the connector casing and you did not locate it before you replaced the drive bracket, you may have to remove the drive and turn it over to check the circuit board. See page 5-14 for instructions on removing the drive and page 5-6 for instructions on locating pin 3.
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5. 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.) 6. 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 93: Reconnecting The Cables To The Diskette Drive

Reconnecting the Cables to the Diskette Drive After you replace the drive bracket and connect the hard drive cables, you need to reconnect the diskette drive cables. red wire Refer to the illustration above while you follow these steps: 1. Locate the connector on the diskette drive ribbon cable. 2.
Page 94: Removing A Hard Disk Drive From The Mounting Bracket

Removing a Hard Disk Drive From the Mounting Bracket Follow these steps if you need to remove the hard disk drive from the bracket: 1. Disconnect the cables from the back of the hard disk drive and diskette drive in the bracket. Grasp the connectors and pull them straight out so you do not bend the pins;...
Page 95: Installing A Drive In An External Drive Bay

A table of jumper settings for highcapacity EPSON drives is included in Appendix A. If your drive is not listed or you need more information, see the documentation that came with your drive or contact the manufacturer.
Page 96: Attaching Mounting Frames To The Drive

Attaching Mounting Frames to the Drive Follow these steps to attach mounting frames to a drive: 1. Locate the two mounting frames and four screws that came with the drive. 2. As shown below, place a mounting frame on one side of the drive and align it so that the oval holes in the frame are positioned over the holes in the drive.
Page 97: Installing The Drive

Installing the Drive Before you can install a drive in one of the external bays, you must first remove the mounting bracket with the diskette drive (and possibly a hard disk drive). See page 5-2 for instructions. Then follow these steps to install a drive in the upper or lower drive bay: 1.
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2. Slide the drive through the slot into the bay until it is flush with the front of the computer. 3. Align the slots at the side of the drive bay with the mounting holes in the drive or mounting frames. Then secure both sides of the drive to the bay using the retaining screws.
Page 99: 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. If you are installing a hard disk drive, follow the instructions on pages 5-9 through 5-12.
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If you are installing a 3.5-inch diskette drive with a header connector, see page 5-13 for instructions on connecting the cable. 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.) Align the notched corners of the power supply cable connector with the notched corners of the drive’s power...
Page 101: Removing A Drive From An External Bay

5. If you installed a hard disk drive in one of the external bays, replace the faceplate. Insert one side of the plate, then gently press on the other side until it snaps into place. If you installed a diskette drive in the bay, it is drive B; the drive installed in the mounting bracket is A.
Page 102: Post-installation Procedures

3. Remove the two screws securing the drive on each side. 4. Reach behind the drive and gently push it to the front of the bay; then pull it out of the slot. 5. Once you have removed the drive, replace the faceplate by inserting one side of the plate, then gently pressing on the other side until it snaps into place.
Page 103: Chapter 6 Troubleshooting

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. (gee ‘Where to Get Help” in the Introduction of this manual for instructions.) Identifying Your System...
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Use these guidelines to locate information about your system: Serial number: BIOS System version: System configuration: MS-DOS version: Software versions: CONFIG.SYS: AUTOEXEC.BAT: 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 105: 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 106: The Computer Does Not Respond

You installed or removed system components, and now your computer does not start. Check to make sure you have reconnected all the internal and external cables correctly. 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.
Page 107: Keyboard Problems

Keyboard Problems The screen displays a keyboard error message when you turn on or reset the computer. Make sure the keyboard is securely connected to the keyboard port and not the mouse port. Although these ports look alike, they cannot be used interchangeably. Nothing happens when you type on the keyboard.
Page 108: 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 109: 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 110: Diskette Drive Problems

Also check the jumper setting of J6 to make sure the diskette drive controller is enabled. The diskette drive is making bud or unusual noises. Contact your Authorized EPSON Servicer. Hard Disk Drive Problems A new/y installed hard disk drive is not working proper/y or its performance is not what you expect.
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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 112: 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 113: Software Problems

Software Problems 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 114: Printer Problems

Some software, like OS/2®, UNIX®, or NetWare®, typically needs a minimum of 8MB to 16MB of RAM to work correctly. Check your software documentation for the minimum memory requirements. If necessary, add more memory using the instructions in chapter 4. Printer Problems The printer does not work at all.
Page 115: Memory Module Problems

See the documentation that came with the option card to set any necessary DIP switches or jumpers on the card. 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.
Page 116: Mouse Problems

Mouse Problems Your mouse isn’t working properly or you see an 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 and Chapter 1 for instructions.
Page 117: External Cache Problems

External Cache Problems The amount of cache displayed by the power-on diagnostics program is incorrect. You may have installed the external cache chips incorrectly. They may be the wrong type, or they may not be inserted all the way. Also, make sure the tag chip you’ve installed is 20ns for all microprocessors except the 486DX/50 or Pentium OverDrive processor.
Page 118: Appendix Specifications

Appendix Specifications CPU and Memory 32-bit CPU Green PC energy saver System speed 486SX/25 or /33; SX2/50 or /66; DX/33, /40, or /50; DX2/50 or /66; or Pentium OverDrive processor Energy Star compliant, low-power, standby mode for the hard disk drive and video signals sent by the computer to the monitor;...
Page 119

Memory Video RAM Shadow RAM Memory relocation Cache Math coprocessor Clock/ calendar A-2 Specifications 4MB or 8MB RAM standard on a SIMM; expandable to 64MB using 1MB, 2MB, 4MB, 8MB, 16MB, and 32MB SIMMs; SIMMs must be tin-plated, 72-pin, 32-bit or 36-bit, fast-page mode type with access speed of 70ns or faster 128KB Phoenix®...
Page 120: Controllers

Controllers Video Diskette Hard disk Interfaces Monitor Parallel Serial Keyboard Cirrus Logic® GD5428 high-speed, super VGA local bus controller with True Color support; provides resolutions up to 1280 x 1024 in 256 colors Controller on main system board supports up to two diskette drives or one diskette drive and a tape drive Energy Star compliant, high-speed, 32-bit local bus IDE interface on main system...
Page 121: Mass Storage

Mouse Option slots Speaker Mass storage Diskette drive types Hard disk drive types A-4 Specifications PS/2 compatible mouse interface built into main system board; 6-pin mini DIN c o n n e c t o r Optional 10-pin game port interface on system board;...
Page 122: Keyboard

Other devices Keyboard Mouse SETUP Program System security Virus protection Physical Characteristics Width Depth Height Weight Half-height tape drive, CD-ROM drive, optical drive, or other storage device; 5¼-inch, or 3½-inch with mounting frames Detachable, twoposition height; 101 or 102 sculpted keys; country-dependent main typewriter keyboard;...
Page 123: Power Supply

Power Supply Input ranges Maximum output Frequency Cables Option Slot Power limits Output voltage (VDC) For all slots Environmental Requirements A-6 Specifications 200 Watt, UL/TUV/CSA listed, fan-cooled 90-130 VAC or 180-260 VAC; switch-selectable +5 VDC at 20 Amps, -5 VDC at 0.5 Amp at 8 Amps, -12 VDC at 0.5 Amp +12 VDC 47 to 63 Hz...
Page 124: Video Resolutions And Colors

Video Resolutions and Colors Non-interlaced and interlaced ** Interlaced EPSON monitor types 14" VGA mono color (A880491) 17" Professional Series (A804241) 20" Professional Series II (A804341 ) These rates are calculated, but not specified in the monitor’s documentation. Specifications A-7...
Page 125: Hard Disk Drive Types

Hard Disk Drive Types A-8 Specifications...
Page 126

Hard disk drive types (continued) Actual formatted size may be slightly different than size on drive label; you cannot change this value. Specifications A-9...
Page 127: Drive Option Information

Drive Option lnformation Hard disk drive options for high-capacity, 1-inch IDE drives Select 1 or none for the precomp value. If neither of these options are available, select the maximum available precomp value. A-10 Specifications...
Page 128: Dma Assignments

CS (cable selection) can be jumpered for any configuration. When CS is used, the drive is a master if pin 28 is grounded, and a slave if pin 28 is not grounded. DMA Assignments Level Assigned device DMA0 Reserved (8-bit) DMA1 Reserved (8-bit) DMA2...
Page 129: Hardware Interrupts

Hardware Interrupts A-12 Specifications...
Page 130: System Memory Map

System Memory Map FFFFFFFFFh FFFFF0000h 00100000h Default Shadow RAM duplicated at FF0000h 000C8000h 000C0000h 000A0000h System BIOS ROM: 64KB Duplicated from 0F0000h Resewed for system board: 64KB Duplicated from 0E0000h System BIOS ROM: 64KB Unused or I/O expansion ROM: 160KB Reserved for ROM on I/O adapters VGA BlOS ROM: 32KB Default shadow RAM...
Page 131: System I/o Address Map

System I/O Address Map Hex address 000-01F 020-03F 368-368 378 - 37F 380-38F 390 - 393 3A0-3AF 380-38F 3C0-3CF 3D0-3DF 3F0-3F7 3F8-3FF A-14 Specifications Assigned device DMA controller 1,8237 Interrupt controller 1,8259 UMC 82C481 chip set configuration register PC network (high address) Parallel printer port 1 SDLC, bisynchronous 1 Cluster...
Page 132

*System I/O address map (continued) Specifications A-15...
Page 133: System Board Components

System Board Components...
Page 134: Microprocessor Upgrades

EPSON or buy the individual components separately. Microprocessor A heat sink is necessary for all DX, DX2, and Pentium OverDrive processors. lf you purchase your upgrade kit from EPSON, the appropriate heat sink is included. upgrade components Specifications A-17...
Page 135: Connector Pin Assignments

Connector Pin Assignments Parallel port connector pin assignments (CN 12) * Active low logic Serial port connector pin assignments (CN8 and CN 11) A-18 Specifications...
Page 136: Tested Operating Environments

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 3.3 and later Novell® DR DOS® Novell NetWare* 2.2, 3.12, and 4.01 Novell NetWare Lite IBM®...
Page 137: Options Available From Epson

6-pin PS/2-type mouse Mass storage devices 5.25- and 35-inch diskette drives Hard disk drives from 80 to 540MB Upgrade kits Call the EPSON Connection for availability of memory, cache, and processor upgrade kits. Printers 9-pin and 24pin dot matrix printers Laser printers...
Page 138

Glossary BIOS Basic Input/Output System. Routines in ROM (Read Only Memory) that handle the transfer of information in your operating system. Cache A high-speed memory buffer that stores frequently used data where your microprocessor can access it faster. Your computer includes 8KB of internal cache built into the microprocessor, and this can be expanded to 256KB with external cache chips.
Page 139

Integrated Drive Electronics. A type of hard disk drive interface in which the controller is on the drive instead of on a controller card. Your computer includes an interface on the main system board for up to two IDE hard disk drives. Industry Standard Architecture.
Page 140: Real Time Clock

Pentium OverDrive A sophisticated CPU which incorporates the latest in Pentium technology, including a 64-bit data path, one 8KB internal cache for read-only code, a second 8KB internal cache for read-write data, and the ability to execute instructions in parallel. Power-on diagnostics Tests stored in a computer’s ROM that the computer runs to check its internal circuitry, peripheral device configuration, and...
Page 141

SIMM See Memory module. SVGA Super VGA (Video Graphics Array). In addition to supporting standard VGA modes, your computer’s built-in SVGA controller supports resolutions up to 1280 x 1024 in 16 colors on a compatible monitor. If you upgrade the video memory to 2MB, the SVGA controller supports this resolution in 256 colors.
Page 142

Index AC outlet, 1-4 Advanced Chipset Control option, Advanced System Setup option, 2-6 -7 Altitude requirements, A-6 Application programs compatibility, A-19 copy-protected, 3-8 installing 2-16 problems, 6-11 -12 requiring slow speed, 3-8 Auto-sensing, hard disk drive, 2-5 -6, 6-9, A-3 AUTOEXEC.BAT file, 6-2 Autotype Fixed Disk option, 2-5 Back panel, 1-4, 4-2...
Page 143

Configuration cache, Intro-l, Intro-4, 2-7, 4-22 changing, 2-1-15 drive, 2-5 --6, 5-22 files, 4-27, 6-2, 6-10 program, see SETUP program system, 2-4 --5, 2-15, 6-1 --2 viewing, 1-9, 6-2 Connecting keyboard, 1-5 monitor, 1-5 --6 mouse, 1-5 power cable, 1-8 printer, 1-7 serial device, 1-7 Connector...
Page 144

Energy Star, Intro-1 -2, 2-13 -14, 3-2 -3, 6-5 -6, A-1, A-3 Energy, conserving, 3-2 Environmental requirements, A-6 Environments, tested operating.. A-19 EPSON Connection, Intro-7 Ergonomic tips, 3-1 -2 Errors controller, 6-14 disabling messages, 2-9 diskette drive, 6-7-8 hard disk drive, 6-9-10...
Page 145

Hard disk drive access light, 1-8 auto-sensing, 2-5 -6, 6-9, A-3 bays, 4-5 boot sequence, 2-8 -9, 3-6 cable, 5-9 -10, 5-12, 5-14 -15, 5-20 -22 configuration, 2-5 -6, 5-4, 5-15 connector, 4-6, 5-6, 5-9 -10, 5-12, A-16 controller, A-3 defining, A-8 -11 double-word I/O, 2-17, 6-8 errors, 6-9...
Page 146

K/B port, see Keyboard Key disk, 3-8, 6-11 Keyboard available options, A-20 controller, A-16 errors, 6-5 port, 1-4 -5, A-3 p r o b l e m s , 6 - 5 specifications, A-3 Keypad, numeric, 3-8, 6-5 Keys, SETUP function, 2-3 Lights, indicator, see Indicator lights Local bus...
Page 147

On-line support, Intro-8 Operating environments, tested, A-19 Operating range, A-6 Operating system diskette, 3-6, 6-3 installing, 1-9, 2-16 prompt, 1-9 reloading 3-56 version number, 6-2 Optical drive, 5-15, A-5 Option cards connector board, see Option slots installing Intro-3, 4-16 -19 problems, 6-12 -13 removing 4-19 VESA, Intro-2, 4-16, A-4...
Page 148

RAM, 2-7, A-2 Read/write errors, 6-10 Real-time clock, 2-4, A-2 RESET button, l-g, 3-6-7 Resetting the computer, 3-5 -6, 6-1 Resolutions, see Video resolutions ROM, 2-7, 2-15, A-2 RS-232C ports, A-3, see also Serial ports Safety instructions, iii-iv, 4-1 SCANDISK command, 6-7 Security and anti-virus options, 2-10-13 Serial number, 6-2...
Page 149

System (continued) memory map, A-13 memory, see Memory optimizing performance, 2-7 -8 speed, changing, 3-8, A-l startup information, 2-9, 6-2 summary, 2-9, 2-14 turning off, 1-10 turning on, 1-8 -9 Tag SRAM, 4-22 Tape drive, A-5 installing, 5-15 -21 removing, 5-21 -22 Technical support, Intro-7 Temperature requirements, A-6 Time, setting, 2-4...
Page 150

Tel: (562) 232-8966 Fax: (562) 233-3197 Epson Costa Rica, S.A. San Jose, Costa Rica Tel: (506) 234-6666 Fax: (506) 225-5709 Epson Mexico, S.A. De C.V. Mexico, D.F., Mexico Tel: (525) 395-9944 Hotline: (91800) 50326 Fax: (525) 395-9499 Epson Do Brasil...
Page 151

Avda. de Roma 18-26 08290 Cerdanyola del valles 08036 Barcelona, Spain Phone: 3-582-15-00) Fax: 3-582-15-55 Telex: 50129 Epson Hong Kong Ltd. Rooms 4706-10, 47th Floor, China Resources Building 26 Harbour Road Fax: 827-7083 Telex: 65542 EPSCO I-IX Epson Electronics Trading Ltd.
Page 152

Distributors South America SISCO !%o 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 & Electronics Georgetown, Guyana Tel: (592) 25-65-48 Fax: (592) 26-39-47 Alvimer S.R.L.
Page 153

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.I Tel: (809) 949-8039 Fax: (809) 949-7537 WTG /APTEC Systems Limited Kingston, Jamaica Tel: (809) 929-9250 Fax: (809) 929-8296...