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reset

button

access light

monitor cable

AC inlet

AC outlet

COM1 COM2 Parallel

Computer Specifications

CPU and Memory

32-bit CPU

Cyrix Cx486SLC, 33 MHz microprocessor

with 16-bit data bus

Internal cache

1KB built into microprocessor

hard disk or diskette

drive bay

diskette drive

System speed

power

button

Memory

ROM

Video RAM

Shadow RAM

Math

coprocessor

option

Card

Clock/calendar

slots

Controllers

Video

Game

Diskette

Hard disk

Interfaces

Monitor

Parallel

9/93

Epson EL 4S/33

High and low speeds available; high

speed is 33 MHz, low speed is 8 MHz;

speed selection through SETUP program

and keyboard commands; 0 or 1 wait state

memory access selectable through SETUP

To select low speed, press the Ctrl, Alt,

and - keys simultaneously. To select

high speed, press the Ctrl, Alt, and + keys

simultaneously. (Use the - or + key on the

numeric keypad.)

2MB or 4MB RAM standard on SIMMs;

expandable using 256KB, 1MB, or 4MB

SIMMs to 16MB (maximum); SIMMs must

be 30-pin, fast-page mode type with 70ns

(or faster) access speed

Phoenix BIOS A386 V1.03; 64KB system

BIOS, video BIOS, and SETUP code

located in EPROM on main system board

256KB DRAM on main system board,

expandable to 512KB or 1MB using 70ns

or 80ns 44256 DIP chips

32KB or 64KB, 0 or 1 wait state access

speed; system ROM BIOS and video ROM

can be copied into RAM

Socket for Cyrix Cx83S87-33 math

coprocessor

Real-time clock, calendar, and CMOS

RAM socketed on main system board with

built-in battery backup

Trident VGA controller on main system

board; provides standard VGA

resolutions with 256KB memory and

extended VGA resolutions up to

1024 x 768 in 16 colors with 512KB

memory and 256 colors with 1MB memory

Controller on main system board supports

up to two diskette drives, maximum

Interface on main system board supports

up to two IDE hard disk drives,

maximum, with built-in controllers on the

hard disk drive itself

VGA interface built into main system

board for analog or multifrequency VGA

monitor; 15-pin, D-shell connector

One standard B-bit parallel, unidirectional

interface built into main system board;

25-pin, D-shell connector

Epson EL 4S/33-1