Epson Equity 386SX/20 PLUS User Manual download pdf

EQUITY 386SX/16 PLUS

Computer Specifications

CPU and Memory

16-bit CPU

System memory

ROM

Shadow RAM

Math coprocessor

Clock/calendar

Battery

Controllers

Diskette

Hard disk

8@386SX

microprocessor, 16

MHz

system

clock speed, 16

MHz

or 8 MHz processor

speed; user selectable

0 wait state memory access speed at

16MHz

2MB RAM standard; expandable using

256KB,

lMB,

4MB

SIMMs

up to 24MB

(the first

16MB

can be extended or expanded

memory; above

16MB

can be only expanded

memory); SIMM access speed must be

8Ons

or faster

128KB (system BIOS and VGA BIOS)

0 wait state access speed; system ROM BIOS

and video ROM can be copied into RAM

through

SETUP

fKGWSX,

16MHz

support;

optional

Real-time clock, calendar, and CMOS RAM

for configuration; battery backup

Replaceable, 3.6V lithium; 3-5 year life

supports up to two drives in any of four

formats: 5%inch. high-density,

1.2MB;

SYdnc~

doubledensity,

360KB;

BKinch,

high-density,

l&MB;

3Hinch

double-

density, 720KB;

controIIer

on main system

board

Supports up to two drives; embedded IDE;

interface on main system board

Interfaces

Monitor

s%iaI

PamIh?I

M0U.W

Keyboard

Option slots

speak-

Power Supply

Type

Input ranges

Maximum outputs

Mass Storage

Diskette drives

Hard disk drives

Other devices

Keyboard

Layout

Function

Standard VGA with 256KB of video memory;

supports up to 800

600 pixels in

X-color

gray scale mode;

15pin.

DsheIl connector

RS232C, programmable, asynchronous;

g-pin

DsheIl

connector

Standard

8-bit

parallel, mono-directional;

25+x1,

D-shell

connector

Mini DIN,

6-pin

connector for

PS/2

compatible mouse or other device

Mini DIN,

apin

connector for

I’S/2

compatible keyboard

Four standard input/output expansion

slots (three l&bit ISA compatiile and one

8-bit

ISA compatible); 8

MHz

bus speed

Internal, programmable

145w, fan-cooled

98 VAC to 132 VAC, 47 Hz to

VDC at 18 Amps,

+12

VDC at

4.2

Amps

-12 VDC at 0.3 Amps, -5 VDC at

0.3

Amps

l’hree

half-height drives maximum

(one vertical mount and two horizontal

mounts)

configurable

using the following

drive types:

5Ytinch diskette drive,

1.2MB

(high-density)

storage capacity

3Kinch

diskette drive,

l&MB

(high-density)

storage capacity

5Ytinch

diskette drive, 36OKB (double-

density)

storage capacity

3KInch diskette drive,

72OKB

(double-

density) storage capacity

3Kinch form factor hard

disk

drive(s),

up to half height size; the first mounted

verticaUy,

second mounted

horizonta.lIy

Half-height tape drive, CD-ROM, or other

storage device; 5%inch form factor or

3%inch with 5%inch mounting frames

Detachable, two position;

101

sculpted keys

SS-key

QWERTY main keyboard;

17-key

numeric/cursor

pad; 10

cursor

keys;

additional

4key

cursor pad; 16 function keys

(user-definable)

Four

levels

(normal, shift,

controI,

alternate);

user-definable

Equity Series Computers

9/l

719

386SX/16 PLUS-1

1 2 3 4 5 6

Summary of Contents

Page 1 - Computer Specifications

EQUITY 386SX/16 PLUSComputer SpecificationsCPU and Memory16-bit CPUSystem memoryROMShadow RAMMath coprocessorClock/calendarBatteryControllersDisketteH

Page 2 - Connector Pin Assignments

EQUITY 386SX/16 PLUSEnvironmental RequirementscondnlonI ~Pe~hl1 Nonqmall~1 Stowe1*-v+W.Temperalure41~lOWF+totUPF4O”to14WF(SO lo 350 C) (-200 tow c)(-4

Page 3 - System l/O Address Map

EQUITY 386SX/16 PLUSKeyboard and Mouse Connector,CN4 and CN3Keyboard and Mouse Connector Pin AssignmentsKlybOdPin 1 Slgnsl1 Mouu1 Pin] SlgnalVGA Conn

Page 4 - SIMM lnstallation

EQUITY 386SX/16 PLUSDMA Request LevelLavelDRQO (CTRLi)DRol (CTRLl)DRO2 (CTRLl )1 Aulgned DavlcespareSDLCFDD controlbrHardware InterruptsNMIIROOO6001lR

Page 5 - Hard Disk Drive Types

EQUITY 386SX/16 PLUSHard Disk Drive Typeslnstallation/Support TipsPower‘Ihe Equity 386SX/16 PLUS has a 145W, 115VAC power supply.The following table

Page 6 - Information Reference List

EQUITY 386SX/16 PLUSMouse and Keyboard-When attaching the mouse and keyboard connectors, becareful to attach them to the proper connectors. Although t