Epson endeavor power (speed) hard disk diskette wg Benutzerhandbuch

 

 WG

power (

SPEED

) hard disk

diskette

light

access light

drive

button

hard disk or diskette
drive bay

115/230 VAC switch

option card slots

power keyboard

inlet port

serial 

 

\

VGA

mouse

parallel

monitor

port

port 

32-bit CPU

4SX/33: Intel 

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
4DX2/66: Intel i486DX2, 66 MHz

microprocessor; supports future Intel

OverDrive processor

System speed

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

Memory

ROM

Video RAM
Shadow RAM

Cache

VirtualCache

Math

coprocessor
Clock/calendar

Video

Diskette

Hard disk

Monitor

Parallel

4MB RAM standard soldered on main

system board; expandable using 1MB,

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

(maximum); SIMMs must be 36-bit,

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

EPSON Endeavor WG-1