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Epson EL 486UC Replacing the Option Card Connector Board

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2.Remove the two retaining screws securing the option card connector board to the back of the computer, as shown below.

3.Pull the board straight up and out of its socket and set it aside.

Replacing the Option Card Connector Board

If you removed the option card connector board, follow these steps to replace it. Refer to the option card connector board illustration above.

3-18 Installing and Removing Options

Contents

Page Page Page Important Safety Instructions Page Instructions Importantes de Sécurité Page Contents Your Computer and Removing Options Chapter 4 Installing and Removing Drives Chapter 5 Installing Video Drivers Chapter 6 Troubleshooting Index Introduction Microprocessor Math coprocessor Memory Drives Appendix A Index Where to Get Help Epson Connection: (800) Epson Direct: (800) Setting Up Your System Unpacking Your Computer Connecting the Computer Connecting a Keyboard Connecting a Mouse Connecting a Monitor Connecting a Printer or Other Device the Using the serial ports Connecting the Power Cord Turning On the Computer Page Running the SETUP Program Starting the SETUP Program Displaying System Information Setting the Date and Time Setting the Diskette Drive(s) Setting the Hard Disk Drive(s) Hard disk drive types Page Defining your own drive type Checking System Memory Setting the Video Display Type Setting Keyboard Options Setting the Processor Speed Setting the Password Setting the Boot Sequence Enabling an External Cache Setting Shadow ROM Options Remapping Memory Using Other Shadow Options Exiting the SETUP Program Post-SETUPProcedures Turning Off the Computer Using Your Computer Stopping a Command or Program Resetting the Computer Using a Password Changing the Processor Speed Page Installing and Removing Options Removing the Cover Page Replacing the Cover Locating the Internal Components Changing the Jumper Settings Page Page Setting the Jumpers Installing Memory Modules (SIMMs) Inserting SlMMs Page Removing SlMMs Installing an Option Card Page Page Removing an Option Card Removing the Option Card Connector Board Replacing the Option Card Connector Board Adding Video Memory Page Page Installing External Cache Page Upgrading the Microprocessor Page Replacing the Processor Chip Page lnstalling a Heat Sink Replacing the Oscillator Post-installationProcedures lnstalling and Removing Drives Installing a Hard Disk Drive in the Internal Drive Bay Removing the Mounting Frames Connecting the Hard Disk Drive Cables Connecting the drive cable to the system board Page Connecting the drive and power cables to the drive Page Installing the Hard Disk Below the Mounting Bracket Page Installing the Hard Disk On the Mounting Bracket Page Page Removing a Hard Disk Drive From the Internal Drive Bay Installing a Drive in the Upper Horizontal Drive Buy Page Page Connecting the Drive and Power Cables Page Removing a Drive from the Upper Drive Bay Page Page Installing Video Drivers Installing the Drivers Lotus 1-2-3or Symphony Microsoft Windows Microsoft Word Quattro Pro WordPerfect Shift F1 Page Troubleshooting ldentifying Your System Serial number: Video BIOS version: System BIOS version: System configuration: The Computer Will Not Start The power light is on, but the computer does not start The computer does not start and the power light is not lit The power cord is secure/y connected, but the computer still does not start your computer does not start The Computer Does Not Respond The computer locks up Ctrl You reset the computer, but if still does not respond Keyboard Problems Nothing happens when you type on the keyboard The cursor keys on the numeric keypad do not work properly Monitor Problems There is no display on the screen The power switch is on but the power light is not on Diskette Problems You see a diskette error message Reinserting the diskette does not solve the problem The diskette is the right type, but you still see an error Something is wrong with the data in the files Diskette Drive Problems A newly-installeddiskette drive is not working properly You see a diskette drive error when you start your computer start The diskette drive is making loud or unusual noises You are unable to store data on the hard disk drive your hard Password Problems You have forgotten your password Software Problems The application program does not start The does not The application program is having trouble reading a key disk The printer prints garbled information Option Card Problems A newly installed option card is not working correctly An external device connected to the option curd is not working correctly Memory Module Problems The memory count displayed by the power-on diagnostics program is incorrect power-on Mouse Problems Controller Problems External Cache Problems The cache displayed by the power-on diagnostics program by the power-on Specifications CPU and Memory calendar Controllers lnterfaces Serial Option slots Speaker Internal Muss storage Physical Characteristics Width Depth Height Weight Environmental Requirements Tested Operating Environments Available Options Page A-8 Index