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Epson EISA Desktop Removing a Math Coprocessor, 4.Reinstall the processor board. See page, Examine the coprocessor to be sure it is inserted all the way into the socket

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3.Turn the coprocessor so that the orientation dot in one corner is in the position shown below. Align the coprocessor pins with the holes in the socket and gently push the coprocessor into the socket, pressing evenly on all sides.

Caution

If you insert the math coprocessor in the wrong position, you could permanently damage it.

Examine the coprocessor to be sure it is inserted all the way into the socket.4.Reinstall the processor board. See page 5-8.

Removing a Math Coprocessor

If you need to remove the math coprocessor from your processor board, contact your dealer for assistance. The procedure requires a special extracting tool, and if you try to remove it without this tool you can easily damage it.

5-10 Installing and Removing Options

Contents

Page Page Page Page Important Safety Instructions 1.Read all of these instructions and save them for later reference 2.Follow all warnings and instructions marked on the computer 4.Do not spill liquid of any kind on the computer 5.Do not place the computer on an unstable cart, stand, or table Page Instructions Importantes de Sécurité 4.Ne jamais renverser un liquide d’aucune sorte sur l’ordinateur 5.Ne pas placer l’ordinateur sur un chariot, un support, ou une table instable 10.S’assurer que le cordon d’alimentation de l’ordinateur n’est pas effrité A.Lorsque le cordon d’alimentation ou la prise sont endommagés B.Lorsqu’un liquide s’est infiltré dans l’ordinateur D.Lorsqu’on a échappé l’ordinateur ou que l’on a endommagé le boîtier E.Lorsque l’ordinateur démontre un changement noté au niveau de sa performance Contents Chapter 3 Using Your Computer Accessing lnternal Components Installing and Removing Options Installing and Removing Drives Appendix A Running System Diagnostics Appendix B Formatting a Hard Disk Appendix C Troubleshooting Appendix D Specifications Index Tables Introduction Page Optional Equipment Check with your authorized Epson dealer to see which options are available Software EISA System Configuration program ISA configuration files for popular ISA boards How to Use This Manual Where to Get Help Assistance in locating your nearest Authorized Epson Reseller or Service Center Customer Relations Epson technical information library fax service Setting Up Your System Page Installation Oveview 3.Then see “Turning On Your Computer,” below, before you turn on the system Installing Optional Equipment Connecting Peripheral Devices The following icons mark the built-ininterfaces on the back of the computer: Caution Then connect the devices in the following order: 1.Connect your peripheral device cables to the computer Turning On the Computer Cl Never turn on the computer with a protector card in the diskette drive tl Never turn on the computer when its cover is off Now you can run the Change Country Code utility Running the Change Country Code Utility Country codes are available for the following countries: tl United States tl United Kingdom QFrance Setting the Country Code for the first Time Press any key to reboot Changing the Country Code Page Running System Configuration Note How to Use This Chapter This chapter is divided into the following four sections: CI The Configuration tl Configuring Your System CI Using Alternate Configuration Files Using Configuration Files Using the Keyboard Using a Mouse Using On-lineHelp Program 3.Press IEnter You see the Main Menu: Main Menu Learn about configuring your computer Configure computer Set date Set time Access to other utilities Maintain system configuration diskette Setting the Date and Time Performing the Configuration Steps Adding or Removing a Board Defining the Configuration Settings Page Page (continued) Non-cacheareas Hard disk drive types Page Using Advanced Configuration Options Page Creating an Alternate SCI File Loading an Alternate SCI File Using the SD Command Using the CF Command Then follow these steps to use the CF command: 2.Then type the following and press B to start the program: CF [parameters] Copying the Configuration Files to a Hard Disk Using Your Computer Using a Power-onPassword 1.When you turn on the computer, you see the following prompt: Enter password: RESET Changing or Deleting a Password Using a Password in Network Server Mode Type your password and press IEnter The screen does not display what you type Changing the Processor Speed TURBO Entering Keyboard Commands Using the ESPEED Program You can use one of these parameters: Parking the Hard Disk Drive Heads Park Accessing lnternal Components tl Remove and replace the cover Ll Remove and replace the front panel 0 Remove and replace the subassembly 0 Perform post-installationsetup procedures Removing the Cover Follow these steps to remove the cover: 2.Turn the computer around so you are facing the back panel 3.If necessary, unlock the computer’s cover. (See Chapter 3 for instructions.) Removing the Front Panel Page Removing the Subassembly 1.Turn the computer so you are facing its front side Page Now lift the subassembly out of the computer and place it on your work surface Replacing the Subassembly Follow these steps to replace the subassembly: Page Replacing the Front Panel Replacing the Cover Follow these steps to replace the computer’s cover: 1.Turn the computer so you are facing the back panel 5.Lock the cover onto the computer, if desired Post-installationSetup Procedures Installing and Removing Options Main System Board Map 486DX/33 processor board 486SX/25 processor board Cards Installing Removing Option Cards Processor Boards Removing the Processor Board Installing the Processor Board Math Coprocessor Installing a Math Coprocessor Removing a Math Coprocessor Memory Modules Page Installing Memory Modules Page Removing Memory Modules Installing and Removing Drives Using the Correct Drive Bay Setting the IDE Hard Disk Drive Jumpers Changing the Jumper Settings Installing or Removing a Drive in the External Bay a Drive Follow the steps below to install a drive in the external bay Ct two metal drive brackets Q small wrench 5.Secure the drive to the drive bay with the two nuts 4)to check the drive’s position Page Page Page Removing a Drive Drive 3.Grasp the drive from the front and pull it out computer as described in Chapter Installing or Removing a Drive in the Internal Bay supply The following procedures explain how to do these tasks: DRemove a drive D Install a drive tl Connect the drive cables Removing a Drive Installing a Drive Page Connecting the Cables Page Page Running System Diagnostics Starting the Program Follow these steps to start the System diagnostics program: 2. After a moment, you see the title screen for the System Configuration program. Press any key to continue 3.When you see the Welcome screen, press IEnter Deleting Tests Adding Tests Running Tests Follow these steps to run a test from the Execute menu: Press It) or System Memory How often to repeat test Resuming From an Error System Diagnostic Tests System diagnostic tests Running System Diagnostics A Error Messages Page Formatting a Hard Disk Page Formatting a New Disk Reformatting a Used Disk Option Starting the Formatting Process Option I, Format For an Epson hard factor) To accept the default, select Y. Then go to step To enter a new value, select N. You see the following prompt: Enter new skewed sectors in format (l-16): Modifying the Defective Track Table Formatting the Disk If you continue with formatting, you see: Format started Format Head : n n n C y l i n d e r : n n n n n Option 2, Destructive Surface Analysis The test writes start Analyze Hard Disk <Drive n: Read/Save/Write/Read/Restore/Read check for Current cylinder is nnnn Option 3, Non-destructiveSurface Analysis Disk <Drive n: R e a d / V e r i f y c h e c k f o r a l l t r a c k s C u r r e n t c y l i n d e r i s n n n n Exiting the Program Troubleshooting The tables below list the error messages and tone codes Power-on error Page Page The computer starts but the screen is blank The computer stuffs but does not boot Page The computer does not respond when you type The computer suddenly stops operating To restore normal power supply operation, follow these steps: If you removed the computer’s cover, replace it now. Then turn on the computer You enter the password, but nothing happens You want to change or delete the password You have forgotten the current password have forgotten 2.Replace the computer’s cover. (See Chapter 4 for instructions.) 5.Replace the computer’s cover If you want to set a new password, go to step 7.Run the System Configuration program as described in Chapter CA3 9.Save your configuration as you exit the System Configuration program There is no display on the screen The monitor does not display images correctly You see an error message or have difficulty with a diskette drive message have The diskette drive is making loud or unusual noises Hard You have problems with a newly-installed drive You notice a reduction in hard disk performance Software Problems tl Be sure you are logged onto or specifying the correct drive and directory C-15 Printer Problems Option Card Problems Memory Module Problems Mouse Problems CI Make sure that your mouse is securely connected to its port Math Coprocessor Problems Specifications Main System Board Interfaces Controllers Mass Storage Bays Power Supply Type Keyboard Requirements Physical Characteristics Power Source Requirements System Memory Map Glossary Address Application program ASCII Asynchronous Batch file BIOS Bit Boot Cache memory CFG (configuration) file CGA Command prompt Configuration Control code Coprocessor Copy-protectedprogram CPU Data Default Device driver Diagnostics DIP switch Directory Drive designator EGA EISA Expanded memory Memory Fast-page mode FLASH memory Format High-density Input/output (I/O) port Interface ISA Jumper Main system board Mapping Math coprocessor MCGA Megabyte (MB) Megahertz(MHz) Memory Memorymodule Memory on card MGA Monitor Monochrome monitor Mouse MS-DOS Network Non-targetmodeling mode Numeric keypad Operating speed Operating system Option card Parameter Parity Password Pathname Peripheral device Processor board Processor speed RAM Read/write head Real-timeclock ROM Roof directory RS-232-C SCI files Sector Serial Shadow RAM SIMM Subdirectory Switch Tracks UNIX VGA Video card Write-protect Index Configuration (continued), modes, 2-2, 2-21 mouse printing, 2-9 process processor, simulation speed, 2-12 processor, type l-3, 1-5-6,4-3 Control codes CTRL ALT + Drive bays see Diskette drive Or Hard disk drive Driver, mouse, 2-4-5Drives installing and removing, 6-l-20 types utilities, 2-1, 3-8-9, B-1-13HDDPARK Icons, l-5 IDE hard disk drives interface, Intro-l, 6-1, 6-11, 6-18 jumpers removing socket, 5-3, 5-9-10, D-3 specification, 5-9, D-3 Memory address blocks, 2-14, D-7 banks base, 2-11, D-7 Parallel, icon, l-5 Password, changing, 3-3 deleting, 3-3 disabling, C-8-10jumper, C-8-10 network server mode, 2-13, 3-3-5problems, C-9-11 setting, Intro-2, 2-13 using button(s), l-5cord(s), l-6-7, D-6 Safety instructions, iii, l-l-2, l-6-7 SCI files, 2-1, 2-18-20SCSI, subsystem, Intro-3SD command, 2-21-22Serial icons, l-6 interfaces, Intro-l, D-l port connectors, 5-2 ports, configuring Simulation speeds, see Processor speed programs, A-2 Time 4-l-2 hard disk drive type, 2-15-17 non-cachearea(s) Utilities setting display adapter type, 2-12 Video monitors, see Monitor Page Page Epson Overseas Marketing Locations