Epson 2000 System l/O Address Map

System l/O Address Map

Hex address		Assigned device

000 - 01 F		DMA		controller 1,8237

020	- 03F	Interrupt controller						1,8259

022 - 024		Ali	M1217		configuration register

040	- 05F	Timer, 8254

060	- 06F	Keyboard			controller,				8042

070 - 07F(CMOS)		Real-time clock NMI (non-maskable interrupt) mask

080	- 09F	DMA page register,						74LS612

0A0 - 0BF		Interrupt controller						2,8259

0C0-0DF		DMA		controIler 2,8237

0F0		Clearmath				coprocessor

0F1		Reset		math		coprocessor

0F8 - OFF		Math		coprocessor

1F0	- 1F8	Hard disk

200	- 207	Game		I/O

278	- 27F	Parallel printer port						2

2B0 - 2DF		Alternate			enhanced				graphicsadapter

2E1		GPIB		(adapter 0)

2E2,2E3		Data		acquisition			(adapter 0)

2F8 - 2FF		Serial port 2

300	- 31F	Prototype			card

360	- 363	PC	network			(low	address)

368	- 36B	PC	network			(high		address)

378	- 37F	Parallel printer port						1

380	- 38F	SDLC, bisynchronous 1

A-14Specifications

Contents

Page Page Page Important Safety Instructions Importantes instructions de s&wit6 Introduction VGA Drivers Energy Savings Optional Equipment Memory Video Memory Drives How to Use This Manual Where to Get Help CompuServe On-lineSupport Contents Introduction Chapter 1 Setting Up Your-System Using Your Computer Installing and Removing Options Installing and Removing Drives Troubleshooting Appendix A Specifications Index EPSON U.S. and International Marketing Locations Setting Up Your System Setting the Voltage Selector Switch Caution Connecting System Components Connecting a Keyboard and Mouse Connecting a Monitor Connecting a Printer or Other Device Connecting the Power Cord Enter Turning Off the Computer Running the SETUP Program Starting the SETUP Program Page Displaying System Information Setting the Date and Time Setting the Diskette Drive(s) Setting the Hard Disk Drive(s) Using the auto-sensingfeature Defining your own drive type Checking System Memory Setting the Video Display Type Setting Keyboard Options Setting the Processor Speed Cyrix Cache Option Setting Chip Set Feature Control Options Relocating memory Shadow RAM options Additional options Printer port control Using the Green PC Features Page Exiting SETUP Enter: Using Your Computer Inserting and Removing Diskettes Stopping a Command or Program Resetting the Computer Changing the Processor Speed Page Installing and Removing Options Removing the Cover Page Replacing the Cover Locating the Internal Components Changing the Jumper Settings Setting the Jumpers Page Installing Memory Modules Inserting SiMMs Removing SIMMs Page Installing an Option Card Installing a Card in a Full-lengthSot Installing a Card in a Half-lengthSot Removing an Option Card Adding Video Memory Page Installing the Math Coprocessor Post-installationProcedures Installing and Removing Drives Removing the Diskette Drive and Mounting Bracket lnstalling a Hard Disk Drive Using the Mounting Bracket Page Removing the Mounting Fames Installing the Hard Disk Drive Below the Diskette Drive Page Replacing the bracket and drives in the computer Connecting the Drive Cables Page Connecting the ribbon and power cables to the drive C a u t i o n Reconnecting the Cables to the Diskette Drive Removing a Hard Disk Drive From the Mounting Bracket lnstalling a Drive in a n Edema I Drive Bay Attaching Mounting Fames to the Drive Installing the Drive Page Connecting the Drive and Power Cables Page Removing a Drive from an External Bay Page Troubleshooting Serial number: System BIOS version: System configuration: MS-DOSversion: The Computer Will Not Start The power light is on, but the computer does not start The computer does not start and the powerlight is not lit The power cord is securely connected, but the computer still does not start The Computer Does Not Respond The computer locks up You reset the computer, but it still does not respond Keyboard Problems Nothing happens when you type on the keyboard Mouse Problems Yourmouse isn’t working properly or you see an auxiliary device error message Monitor Problems There is no display on the screen The power light is on, but you still do not see anything on the screen The powerswitch is on but the powerlight is not on Diskette Problems You see a diskette error message The diskette is the tight type, but you still see an error Something is wrong with the data in the files Diskette Drive Problems A newly installed diskette drive is not working properly You see a diskette drive error when you start your computer The diskette drive is making loud or unusual noises Hard Disk Drive Problems You see a hard disk drive error when you start your system You ate unable to store data on the hard disk drive Software Problems The application program does not start The application program is having trouble reading a key disk Printer or Scanner Problems The printer or scanner does not work at all The printer prints garbled information Option Card Problems A newly installed option card is not working correctly An external device connected to the option card is not working correctly Memory Module Problems The memory count displayed by the power-ondiagnostics program is incorrect Controller Problems Internal Battery Problems Specifications Video RAM Shadow RAM relocation Cache Controllers Video Diskette Hard disk Interfaces Monitor Parallel Serial Keyboard Mass Storage Diskette drives Hard disk drives Otherdevices Keyboard Type Environmental Requirements Tested Operating Environments Video Memory and Supported Resolutions Options Available from EPSON Hard Disk Drive Types Page Drive Option lnformation DMA Assignments Page System Memory Map System l/O Address Map Page Page Index Page Page Page Page Page Page Page Glossary CPU Driver IDE ISA Jumper Memory module Microprocessor Numeric coprocessor Power-ondiagnostics Real-timeclock RS-232C SIMM VGA/SVGA Write-protect Epson America (USA) Epson America (International) EPSON Worldwide Subsidiaries Distributors