Epson Equity III+ Troubleshooting Guide download pdf

EQUITY III + (12 MHz)

Computer Specifications

CPU

MATH

CO.PfKlcESSOA

RAM

ROM

FLOPPY OISK

CONTROLLER

HARO

OlBK

CONTROLLER

l/O

EXPANSIOW

SLOTS

SPEllKEn

CLOCK/CALENDAR

RAM

KEYBOARD

KEYLOCK

BWITCH

POWER SUPPLY

MASS STORAGE

Standard

Optional

INTERFACES

Standard

ENVIRONMENTAL

REQUIREMENTS

Temperature

Operatmg

range

Storage range

Humrdrty

Operatmg

range

Storage range

Centron&

compabble

port

Rs-232C serlal Interface port

41”

to1040

(5”

40”

22”

158” F (-5”

lo70”

10%

80% non-condensing

10%

90% non-condensing

PHYSICAL CHARACTERISTICS

CPU

Keyboard

Width

19.6

19.3

I”.

Depth

17.4

I”.

7.7

I”

Herght

6.6

1.8

I”.

Werght

31.9

Ibs.

80286

mlcroprocessor.

6MHz.

8MHr.

12MHz

selectable clock

speeds; real address (8086 com-

paltble) and protected

virtual

address (multr-taskmg or mUltl-

user) modes

24.brl

address

16.brt data bus

80287-8 support

(option)

Co-processor clock speed select-

able (up

8MHz)

640KB RAM on

mar”

system board

(155MB RAM max. with memory

expansron cards)

64KB. Selectable EPROM pairs

Supportstwodrrvesmaxrmom with

multrple

lormats;

5%”

double-

densdy (360KB). 5%” lugh-density

(l.ZMB). and

3h”

(7201(8).

con-

troller

mstalls

I”

l/O

expans,on

slot

Supportstwo

droves

maxrmum

wrth

mullrple formats.

mstalls

I”

I/O exoanslon slot

Nme

total: seven wrth

16.bll

bus

and two wrth 8-bd bus. seven

avaIlable

I”

base

conflguratlon

Internal wrth volume control

64 Bytes of CMOS RAM for real-

lime

clock, calendar. and system

conhguratlon with battery backup

Detachable, 3

posrtron.

101

scufpled

keys, 58 key QWERTY

COflflgUra-

tlon. 12 function keys. enhanced

AT style

Security keylock for cover and

keyboard

Swrtching type, fan cooled, world-

wide

115123OVAC.

192W.

+SVdc.

+lEVdc, -5Vdc. -12Vdc

Five

half

height

deuces

maximum

5 25” half

height

lloppy

drove;

12MB storage capacity

5 25” half

herght

floppy

drive;

1.2MB

storage capacltV

5.25” hall

herght

floppy

drove.

360KB storage capacdy

5.25” lull helghl hard

drsk

drive.

40MB storage capacity

Equity Series Computers

12/l

2/88

EQlll

E”

nry”lnrnrnl”

,I..

xc.

(+15%. -20%); 60Hz,4A

230VAC.

(

15%).

60HZ.

Z.>A

0PnoNs

Display Adapters

Monochrome Display Adapter

Color Graphrcs Adapter

Multi-Mode Graphics Adapter

Enhanced

Graphrcs

Adapter

Monitors

Mass Storage

Monochrome Display

(720 x 350 dots)

Color Display (640 x 200 dots)

Enhanced Color Drsplay

f64l’l

350 or 640

200 dots

&tomatrcally

selectable)

360KB

5U”

Floppy

Drove

1.2MB

5U”floppy

Drove

40MB Hard

Orsk

Drive

VOLUME control knob

CPU SPEED

swrtch

Switch Settings

I-

There are no DIP switches on the Equity Ill +. However,

there is a MONITOR SELECT switch, a CPU SPEED switch

and a VOLUME CONTROL on the front of the unit in the

lower left hand corner.

Monitor Select

Color, composite, EGA, and VGA monitors

The CPU SPEED switch selects between 6 MHz, 8 MHz, and

12 MHz. When the computer is running at 6 MHz the power

light is red, at 8 MHz, the light is orange, and at 12 MHz,

the light is green.

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - Switch Settings

EQUITY III + (12 MHz)Computer SpecificationsCPUMATHCO.PfKlcESSOARAMROMFLOPPY OISKCONTROLLERHARO OlBKCONTROLLERl/O EXPANSIOWSLOTSSPEllKEnCLOCK/CALENDAR

Page 2 - EQUITY Ill+ (12 MHz)

EQUITY Ill+ (12/10 MHz)Hard Disk Drive TypesROM BIOS Version 1.02ROM BIOS Version 1.50and HigherEQlll+ - 1012/12/88Equity Series Computers-Drivetype:3

Page 3 - EQUITY Ill + (12 MHz)

EQUITY III + (12/10 MHz)Product Support BulletinsS-O@MAS-0010S-0011SoolMS-0016S-0018S-OOlQBS-0021!xo26S-0031s-0042SOO47AS4084B%I0812151873113187413187

Page 4

EQUITY Ill+ (12/10 MHz)S-00723/16/89311718.941191897/12/898/l l/89Related Documentation029okAAA805011MTMEQlll +MPMEQIII +M-PL-EQ3t lo/12Y12599112300

Page 5 - Switch Settings

EQUITY Ill+ (12 MHz)Connector Pin AssignmentsParallel Port Connector13000000000002500000000000PIN NO.SIGNAL NAMEDIRECTION1- STROBE02 DATA003 DATA104 D

Page 6

EQUITY Ill + (12 MHz)Memory BoardJumper1234567FunctionA A A* RAM 640KBB A ARAM 512KBB B ARAM 256KBB B BRAM OKBA AEPROM 21728 typeB B* EPROM 27256 type

Page 7 - EQUITY III + (10 MHz)

EQUITY III + (12 MHz)--DMA ChannelsIChannelFunction0 Spare1Spare2floppy disk transfers3Spare (Hard disk drive)4Cascadeof data from channel0-35 Spare6S

Page 8

EQUITY Ill+ (10 MHz)PHYSICAL CHARACTERISTICSCPUWidth19.6 I”.Depth17.4 I”.Height6.6 I”.Weight31 9 IbsPOWER REQUIREMENTS115VAC, (+ 15%. -20%); 60Hz. 4A2

Page 9 - EQlll+ - 9

EQUITY Ill+ (10 MHz)Connector Pin AssignmentsParallel Port Connector1325PIN NO.SIGNAL NAMEDIRECTION DESCRIPTWN1- STROBE2DATA63 DATA14DATA25 DATA36DATA

Page 10 - EQUITY Ill+ (12/10 MHz)

EQUITY III + (10 MHz)Memory BoardI/O Port AddressesJumper1234567FunctionA A AB A AB B AB B BA AB BA AB B* Factory Settings* RAM 640KBRAM 512KBRAM 256K

Page 11 - Equity Series Computers

EQUITY III + (10 MHz)DMA ChannelsChannelFunction0Spare1Spare2Floppy disk transfers3Spare (Hard disk drive)4Cascade of data from channel O-35Spare6Spar

Page 12 - Related Documentation

EQUITY Ill+ (12/10 MHz)Ilnstallation/Support TipsPowerThe Equity Ill+ has a power supply that is switchablebetween 115 V, for USA and Canadian use, an

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Epson Equity III+ Troubleshooting Guide

Browse online or download Troubleshooting Guide for Printer cables Epson Equity III+. Epson Equity III+ Product Information Guide User Manual

Summary of Contents

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