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EPSON

ActionNote 4000

rnemoty

module or

numeric coprocessor

Computer Specifications

Main Unit

CPU

486SLC microprocessor; 33 MHz (and

simulated 8 MHz) clock speed; 1 MHz in

Suspend mode

Cache

1KB internal two-way set associative cache

System memory

4MB standard, 2MB soldered on main

system board and one 2MB memory

module; expandable to 8MB by replacing

the 2MB memory module with a 6MB

memory module; the first 640KB is

conventional memory and 128KB is used

for shadow RAM; the rest can be used as

extended or expanded memory

ROM BIOS

128KB on a single one-time programmable

ROM (includes system BIOS, VGA BIOS,

and the SETUP program)

Video RAM

256KB, 80ns video memory on main

system board; 256KB x 4 frame buffer

Shadow RAM

Clock/

calendar

Numeric

coprocessor

Controllers

Diskette drive

Hard disk

Video

PCMCIA

Speaker

Interfaces

External VGA

Parallel

Serial

Pointing device

or external

keyboard

AC adapter

Input Devices

Keyboard

Trackball

System shadowed at F0000 to FFFF, 64KB;

VGA BIOS shadowed at E0000 to E8000,

32KB

Real-time clock, calendar, and CMOS

RAM for configuration backed up by

built-in Dallas®

DS 1287 or compatible

clock chip

Socket for optional Cyrix® Cx 83S87

coprocessor

Built-in controller for one external 3.5-inch

1.44MB diskette drive; supports 1.44MB

and 720KB diskette formats

Built-in controller for removable internal

hard disk drive

Cirrus® GD6410B 16-bit VGA controller

fully backward compatible with CGA and

EGA; supports a standard monochrome

LCD with a maximum resolution of

640x480x64 shades of gray and an

external monitor with resolutions up to

800 x 600 x 16 colors; simultaneous LCD

and CRT operation

Databook® DB86082 PCMCIA version 2.0

controller; Type II connector; supports

Type I and Type II memory and I/O cards

Built-in ISA compatible speaker controller;

internal

15-pin, D-sub, female connector for

external analog VGA or SVGA monitor

Centronics® compatible, 25-pin, D-sub,

female connector; standard 8-bit parallel

RS-232C, programmable, asynchronous,

9-pin, D-sub, male connector

6-pin, mini-DIN connector for a PS/2®

compatible pointing device or keyboard;

keyboard supported directly, pointing

device requires adapter

DC input port for external AC adapter;

4-pin, mini-DIN connector

79/80 (US) keys; embedded numeric

keypad and

F11 and F12

keys; inverted T

cursor control key layout

Built-in, two-button trackball

7/27/93

ActionNote 4000-1

1 2 3 4 5 6 7 8 9

Indice de contenidos

Pagina 1

EPSON ActionNote 4000rnemotymodule ornumeric coprocessorComputer SpecificationsMain UnitCPU486SLC microprocessor; 33 MHz (andsimulated 8 MHz) clock sp

Pagina 2 - ActionNote 4000

Mass StorageHard disk driveDiskette driveVGA LCDMonochromePower SupplyAC adapterBatteryOne removable 2!4-inch internal hard diskdriveExternal, 3.5-inc

Pagina 3 - Main System Board Diagrams

EPSON ActionNote 4000Main System Board DiagramsSystem Board, Top Components and ConnectorsIJ7J9U5System Board, Bottom ComponentsJ14J157/27/93ActionNot

Pagina 4

EPSON ActionNote 4000System Board ComponentsComponentDescriptionCPU (U1)486SLC/33 microprocessor:1KB internal, two-wayset associative cacheBTC-5001 (U

Pagina 5

EPSON ActionNote 4000VGA Port Connector (J11)PCMCIA Card Connector (J4)pin 5pin 10pin 15pin 1pin 6pin 11VGA Port Connector Pin AssignmentsAC-DC Power

Pagina 6

EPSON ActionNote 4000Internal Connector Pin AssignmentsLED Connector (J14)Trackball Connector (J15)This connector supports the built-in trackball poin

Pagina 7 - ActionNote 4000-7

EPSON ActionNote 4000DMA AssignmentsHard Disk Drive TypesLevelAssigned DeviceDMA0AvailableDMA1AvailableDMA2FDD controller (8-bit)DMA3DMA4 Available Ca

Pagina 8 - Error Beep Code

Power-on Diagnostics Error Messages (continued)Error No. Message5Check sum value is generated andcompared with CMOS values; if theydiffer, an error oc

Pagina 9 - Information Reference List

EPSON ActionNote 4000Information Reference ListEngineering Change NoticesNone.Technical Information BulletinsNone.Product Support BulletinsNone.Relat

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Epson ActionNote 4000 Guía para resolver problemas

Busca en linea o descarga Guía para resolver problemas para Cuadernos Epson ActionNote 4000. Epson ActionNote 4000 Product Information Guide Manual de usuario

Indice de contenidos

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