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Epson Y14499113001 Error Codes and Messages, Error code, System board, 8088 INSTRUCTIONERROR, Memory, Keyboard, Monochrome display adapter and CRT, DMA, DMA, CMOS, CMOS, TIMER

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Appendix A

Error Codes and Messages

This appendix lists all the error codes and messages that may appear during diagnostics checks.

Table A-1. Error codes and messages

Error code	Message
System board
101	8088 CPU ERROR
102	27128 ROM CHECKSUM ERROR
103	8254 TIMER COUNTER REGISTER ERROR
104	8254	TIMER COUNTER ERROR
105	8237	DMA	CONTROLLER REGISTER ERROR
105	8237	DMA	REFRESH ERROR
108	8048	SELFDIAGNOSTIC ERROR

1098259 INTERRUPT CONTROLLERERROR

111	146818	CMOS	BATTERYERROR
112	146818	CMOS	CHECKSUMERROR
113	8088 INSTRUCTIONERROR
Memory
201	MEMORY/PARITY ERROR

Keyboard3018048 ERROR302NON-STANDARDOR DEFECTIVE KEYBOARDMonochrome display adapter and CRT401V-RAM ERROR402VIDEO SIGNAL ALWAYS HIGH/LOW403ATTRIBUTEERROR

404	CHARACTERSET ERROR

A-l

Contents

and Equity™ I + User’s Guide IMPORTANT NOTICE DISCLAIMER OF WARRANTY COPYRIGHT NOTICE TRADEMARKS Epson is a registered trademark of Seiko Epson Corporation Note: WARNING Contents Appendixes Figures Tables Introduction How to Use This Manual Setting Up Your System 1 Unpacking Removing the disk drive protector sheet 2 Choosing a Location 3 Arranging the Components The The front panel 4 Connecting the Power Cord 5 Connecting the Video Monitor 6 Connecting the Keyboard Page 7 Connecting the Printer Parallel interface PARALLEL Serial interface The Equity I+ character set 8 Setting the DIP Switches DIP switch set 1 (internal operations) Page DIP switch set 2 (parallel and serial port operations) Page 9Turning On the Computer Safety rules Initial setup procedure Initial screen display 640KB OK Non-systemdisk or disk error Insert system diskette in drive A: and strike any key when ready Page Using Your Equity I+ Special Keys Selecting Execution Speed Resetting the Computer Turning Off the Computer Using Disks and Disk Drives How disks work Choosing diskettes for the Equity I+ Caring for your disks and disk drives Page Inserting and removing diskettes Write-protectingdiskettes Making backup copies Using a single floppy disk drive Using a hard disk drive Page Installing Option Cards Removing the Cover Page Inserting the Option Card Page Removing an access slot cover Replacing the Cover Post-installationSetup Removing Option Cards Troubleshooting The Computer Fails to Start Up The Video Display Does Not Appear The Computer Locks Up or Freezes Floppy Disk Problems Hard Disk Problems Software Problems Printer Problems Option Card Problems Changing Jumper Settings Jumper J1, Floppy Disk Controller FRONT 6M and 6N 7M and 7N Figure A-2.Jumper locutions A-2 Jumper J2, Parity RAM Specifications Main Unit Keyboard Mass Storage Power Supply Environmental Requirements Physical Characteristics (CPU Only) Video and Display Options Glossary Command Configuration Control code CPU Cursor Disk drive Diskette Double-density File Floppy disk H a r d w a r e Input/output port Interface Jumper Kilobyte (KB) Monochrome monitor MS-DOS Operating system Option card Parallel Read Read/write head Reset RGB ROM Tracks Write To store data on a disk Write-protect C-7 Index Index-2 Page Index-4 Page Diagnostics for the EquityTM I+ Page Contents 6 Moving the Hard Disk 7 System-dependentUtilities Appendixes Tables Introduction Page Running the Diagnostics Starting the Diagnostics The Power-onSelf Test The OPERATION MENU - Format hard disk ;- Format diskette 4- System diagnostics 5- Prepare hard disk for moving Diagnostics and MS-DOSCommands A:HDSIT Setting Up the System Using the Setup Program ESC ** SAVE SETTINGS Exit without saving ** EXIT AND SAVE Setting the Real-timeClock 19:lt5:55 -Time 12-31-1986 Date Enter. You hh:mm:ss Changing Serial Port (RS-232C)Settings Page Chapter Formatting a Hard Disk Formatting and Checking Options l- Conditional format (Normal) - Unconditional format : - Destructive surface analysis Enter drive letter (C/D) Conditional Format (Normal) Format cancelled Press ENTER to return to the menu Now formatting Format finished Flagging bad tracks Unconditional Format Destructive Surface Analysis Page Non-destructiveSurface Analysis Formatting a Diskette Insert new diskette for drive A: and strike ENTER when ready Performing System Diagnostics Using the System Diagnostics Program 9- P a r a l l e l p o r t (pr9 -S e r i a l port ~(RS-22 2- Dot-matrixpri 17- Hard disk drfires4 Modify DEVICE LIST 1 - Add devices 2 - fiel+te devices 0 - Exit and IIICSS;I~~T axd Y am1 Enter and Enter I x~cl System Board Check Memory Check 640 KB OK Keyboard Check - United Kingdom : - French 4 - German 6- Spanish Monochrome Display Adapter and CRT Check Monochrome adapter check Attribute check Character set check Video check Color Graphics Adapter and CRT Check 1 - Color graphics adapter check - Attribute check z - Character set check 4 - 4$Gcolumn character set check 0 ad Enter Color graphics adapter check 1 ad 2 ad Enter N and Enter Enter. If Enter to 40-columncharacter set check Y and Enter Page Page Enter. To Y ad Enter check N and Enter Floppy Disk Drives and Controller Check 1 - Sequential seek check - Random seek check : - Write, read check 4 - Speed check Current track is Random seek check Write, read check If using drive A, remove your Diagnostics Disk Math Coprocessor Check (8087) Parallel Port (Printer Interface) Check Parallel Port (on Video Adapter) Check Serial Port (RS-232C)Check Alternate Serial Port Check Dot-matrixPrinter Check Hard Disk Drives and Controller Check l- Seek check 2- Write, read check 3 - Error detection. and correction check 4 - Read, verify check $? - Eqit Page READ GOOD Moving the Hard Disk System-dependentUtilities reset The HELP Utility Page The ROMBIOS Utility The SYSTAT Utility Page ESC Error Codes and Messages Error code System board Error code Message Color graphics adapter and CRT 703COPROCESSOR INVALID OPERATION MASK ERROR Parallel port Parallel port on video adapter Error code Message ERROR DTR DSR, DSR ALWAYS HIGH/LOW Alternate serial port WJ3 Dot-matrix printer Power-onDiagnostics System Device Check Clock and CMOS RAM Check 161~System options not set (Run SETUP in DIAGNOSTICS) RAM Check Keyboard Controller and Keyboard Check (Ctrl Alt Del) Floppy Disk Drive Seek Check Index