Epson Progression 4 Spezifikationen PDF herunterladen

EPSON Progression 4

power (SPEED) hard disk

diskette

power

light

access light

drive

button

Memory

bay for hard disk, diskette, tape,

CD-ROM, or other drive

ROM

Video RAM

Shadow RAM

Cache

115/230 VAC switch

option card slots

powei

keyboard

inlet port

mouse

pod

drtal

port1

selial

VGA

pofl2

monitor

paral’d

port

pod

Virtual Cache

Math

coprocessor

Clock/calendar

Controllers

Video

Computer Specifications

Diskette

CPU and Memory

32-bit CPU

4SX/33: Intel

i486SX, 33 MHz

microprocessor; can be replaced with

optional 487SX/33 or ODP486-33

OverDrive™ processor

4DX2/50: Intel i486DX2, 50 MHz

microprocessor; supports future Intel

OverDrive processor

System speed

4DX2/66: Intel i486DX2, 66 MHz

microprocessor; supports future Intel

OverDrive processor

High, low, and automatic speeds available;

high speed is CPU-dependent (33, 50, or

66 MHz), low speed is simulated 8 MHz,

automatic speed switches from high to low

only for diskette drive access; speed

selection through SETUP, keyboard

command, or ESPEED program; 0 wait

state memory access at high speed

Hard disk

Interfaces

Monitor

Parallel

4MB RAM standard soldered on main

system board; expandable using 1MB,

4MB, 16MB, or 64MB SIMMs to 128MB

(maximum); SIMMs must be 36bit,

fast-page mode type with 70 ns (or faster)

access speed

128KB ROM containing system BIOS and

video BIOS; 64KB ROM containing SETUP

code

1MB video RAM on main system board

Automatic shadowing of system and VGA

BIOS ROM into RAM; shadow RAM

address control selectable through SETUP

8KB of internal cache (built into the

microprocessor); cache testing and address

control selectable through SETUP

Epson proprietary VirtualCache™ feature

automatically creates a “virtual cache”

buffer the size of maximum system

memory

On 4DX2/50 and 4DX2/66 systems, math

coprocessor built into the microprocessor

Real-time clock, calendar, and CMOS

RAM on main system board; separate

battery backup

Chips and Technologies Wingine™ P64200

VGA controller on main system board;

provides resolutions of 800 x 600 x 64K

colors and up to 1024 x 768 x 256 colors

Controller on main system board supports

up to two diskette drives or one diskette

drive and one tape drive

Interface on main system board supports

up to two IDE hard disk drives with

built-in controllers

VGA interface built into main system

board for analog or multifrequency VGA

monitor; 15-pin, D-shell connector

One standard 8-bit parallel, bidirectional

interface built into main system board;

port assignment and I/O address

selectable through SETUP; 25-pin, D-shell

connector

7/27/93

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Inhaltsverzeichnis

Seite 1 - Computer Specifications

EPSON Progression 4power (SPEED) hard diskdiskettepowerlightaccess lightdrivebuttonMemorybay for hard disk, diskette, tape,CD-ROM, or other driveROMVi

Seite 2 - EPSON Progression 4

EPSON Progression 4SerialKeyboardMouseOption slotsSpeakerAlternate VGAMass StorageHorizontalmountsVerticalmountDiskette drivesHard diskdrivesOther dev

Seite 3 - Major Subassemblies

EPSON Progression 4Extended VGA ModesMajor SubassembliesMode60616264656A/70721024x766main systemJ1 5-JQ option boardboard\riser cardIpower supply16170

Seite 4 - Main System Board Diagram

EPSON Progression 4Main System Board DiagramalternateVGA feature -connectorVGA videoparallelserial 2serial 1mouse keyboard, ,PI nl InInw 1081--3 1llu1

Seite 5 - DMA Assignments

Connector Pin AssignmentsParallel Port Connector (CN5)pin 13pin 1II~oooooooo~oo~pin 25pin 14Parallel Port Connector Pin AssignmentsPin 1 Signal1 Pin 1

Seite 6 - Jumper Settings

Hardware InterruptsSystem I/O Address MapHex address*Assigned device000-OlFDMA controller 1, 8237A-5020 - 021Interrupt controller 1, 8259A, master022

Seite 7 - SIMM Installation

Processor ChipsEPSON Progression 4Hard Disk Drive TypesIf you have the 4SX/33 system, you can install an IntelOverDrive processor (ODP486-33) or a 487

Seite 8 - Information Reference List

EPSON Progression 4If the computer has an Epson 120MB or 240MB hard diskdrive, select the appropriate type number from the tablebelow.Epson Hard Disk