Epson Equity II+ Product Guide

Computer Specifications

80266

CPU: Math

Co-Processor:

RAM: ROM:

Floppy Disk Controller:

f/O&pension

Speaker: Clock/Calendar

RAM:

Keyboard:

Power Supply:

Mass Storage:

Standerd:

Optional: Optional:

Optional:

Interfaces:

Standard:

Environmental Conditions:

Temperature:

Power Requirements:

Options:

Video Adaptors:

Displays:

Equity Series Computers

microprocessor. 6112

swlch

selectable clock speeds

80287

support

64OKE 32KE EPROM

selectable Supports two drives

mats: 5 25”

3.5” (1 ZMB) and 3.5” (1

SIX. full-length slots, three, three,

6-btt

slots

conflguration

Internal. programmable 64 bytes of CMOS RAM for

clock. calendar. and system configura-

bon wth

Detachable, enhanced AT-style,

3.powon.

QWERTY keys

SwItchIn

11512303AC, 110 watts (140 watts

“:;;lb;5V

Three. Internal half-height devices

maxunum

525half-height 1 2MB storage capacity 5 25’ 1 2MB storage capacity 525half-height floppy 360KB storage capacity 35half-height 720KB storage capacity

5 25’ 40MB storage capacity

Centronfcss-cornpatfble

DB25 female connector

AS-232C male connector

Operabog

(50

Storage Range. -4” to 140°F l-20” to

Operahng non-condensing

Storage

non-condensing

W!dth’

Depth

IfeIght. Welaht: 19.8 Ibs.

115V AC,

(95V-137V. 47Hz-63Hz). 50Hz. 2.6A (195V-265V. 47Hz. 63Hz)

MS-DOS 3.3. and Epson Enhanced ware. GW-BASIC; System

Dlagnosbcs

MGA Adaptor) EGA (Enhanced Graphics Adaptor)

(720 x 350 dots)

13” Color

13” Enhanced Color Display (640 x 200 or 640 x 350 dots, automaw

tally

(optIon). 6 MHz

on system board

pa,r.

32KB or 64KB

wth

double-density (360KB).

(720KB).

5 25” hth-density

4tMB)

8.bit.

Three,

16.bat

avaIlable I”

battery backup

101 sculpted keys,

configuration.

type, fan cooled,

DC, + 12V DC, -5V DC,

floppy disk

half-height

floppy disk

floppy

half-height

hard disk drive;

compabble senal

Range. 41 0 to

to 35°C)

60°C)

Range 20% to 60%

Range,

10% to

CPU

15 7

I”

16.3

I”

6 1

I”.

6OHz.

lncludlng

(Mulb-Mode Graphics

Monochrome

selectable)

Display

(640 x 200 dots)

Display

multiple for-

and two

standard

disk drive;

parallel

230V AC,

XTREE”

Utlkty

MHz

16.bit.

real-twne

5&l-key

funcbon worldnude

drwe; dwe;

port.

port,

DB9

90°F

90%

Keyboard

19 3

I”

7.7

I”.

a1n

4 3

Ibs

Soft-

12/12/88

EQUITY II + (12 MHz)

There are no DIP switches on the Equity II+. However, there is a MONITOR SELECT switch and a CPU SPEED switch 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 8 MHz and 12 MHz. When the computer is running at 8 MHz, the power light is orange, and at 12 MHz, the light is green.

Connector Pin Assignments

Parallel Port Connector

13 0000000000000

25 000000000000

PIN NO.

2 3 4

5 6 7

10 11 12 13

20 21 22 23 24 25

SIGNAL NAME DIRECTION DESCRIPTION

STROBE

DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7

ACK

BUSY +PE + SLCT

- AUTOFT

ERROR

- INIT

- SLCTIN

GND GND GND GND GND GND GND GND

I 14

Printer Data Bit 0 Printer Data Bit 1 Printer Data Bit 2 Printer Data Bit 3 Printer Data Bit 4 Printer Data Bit 5 Printer Data Bit 6 Printer Data Bit 7 Acknowledge

Printer

Busy

End of Paper

Printer

Select Auto Feed Printer Error

Printer

lnltlallze

Printer Select in Ground Ground

Ground Ground

Ground Ground Ground Ground

EQII + - 1

EQUITY II+ (12 MHz)

Serial Port Connector

12345

’ (F]

6 7 8 9

PIN NO.

1 2 3 4 DTR

6 DSR 7

Keyboard Connector

SIGNAL

NAh4E

CRDET . RXDT TXDT

RTS

CTS RI

PIN NO.

2 3 4 5

Jumper Settings

SIGNAL NAME

KBD CLK

KBD DATA

KEY GND vcc

DIRECTtON

I I

DIRECTtON

IlO

I/O

DESCRIPTION

Data Carrier Detect Receive Data

Transmit Data Data Terminal Ready Signal Ground

Data Set Ready

Request to Send Clear to Send

Ring Indicator

DESCRIPTION

Keyboard Keyboard

No Connection

Ground

Power

Clock

Data

Main Circuit Board

Jumper

I 2 3 4 5

4 3

A A

B A A B B B

A A

A B

B A B B

I-

* Factory Settings Note:

Memory Board

,(c

Selectable wait states only available at 12 MHz

----I

Memory Board

Function

* EPROM 1 wait (note)

EPROM 2 wait (note)

* 16-bit option card 1 wait (note)

16-bit option card 2 wait (note) 16-bit option card 3 wait (note) 16 -bit option card 4 wait (note)

* Coprocessor clock speed 8 MHz

Prohibited Prohibited Coprocessor clock speed

CPU speed

213

Main Circuit Board

EQII+ -2

12/12/88

Jumper

2 3 I

A A

B A

A B

B B

A B

* Factory Settings

Function

* PAM 640 KB

PAM 512 KB Prohibited PAM 256 KB

* EPROM 21728

EPROM 27256

Equity Series Computers

We type

EQUITY II+ (12 MHz)

Multifunction Board

Jumper

23456-9

\ 3

A A A B B A

B B

AA A A 0 B-

DMA Channels

Channel

Spare

Spare Floppy disk transfers Spare (Hard disk drive) Cascade of data from channel 0 -3

Spare

Spare Spare

Function

* Primary register set of FDC

Secondary register set of FDC

* Enable FDC register set

Disable FDC register set

A B A

Primary parallel I/F.

Secondary Video adapter parallel I/F. Disable parallel I/F

* Primary serial I/F.

Secondary serial I/F, Disable serial I/F

paralle,l

IRQ7

I/F,

IRQ4

IRQ5

IRQ7

IRQ3

Function

Factory Settings

I/O Port Addresses

Address

000-OlF

020 - 03F

040 060 -

070

-07F 080-09F

OAO - OBF OCO

OE0

-OFF Numeric Coprocessor

lFO-lF8

278 - 27F

2F8

-2FF Serial Port 1

378 - 37F

3B0 -3BF Parallel Port 2 (on some video boards)

3F0 -

3F8-3FF

DMA Controller 1 Interrupt Controller 1

05F

Timer/Counter

06F

Keyboard controller and Port B CMOS RAM and Non - Maskable Interrupt Mask

DMA Page Register

Interrupt Controller 2

-0DF

DMA Controller 2

Hard Disk Controller Parallel Port 1

Parallel Port 0

3F7

Floppy Disk Controller

Serial Port 0

Function

Hardware Interrupts

ZTLRl CTLR2

9QO

RQl RQ2 RQ3

RQ4

RQ5 RQ8 RQ7

IRQ8 IRQ9 IRQlO IRQll IRQ12 IRQ13 IRQ14 IRQ15

Timer Output 0 Keyboard Interrupt from Serial port 2 Serial port 1

Parallel port 2 Floppy disk interrupt Parallel port 1 RTC interrupt Software redirected to Reserved Reserved Reserved Coprocessor Hard disk controller Reserved

FUNCTION

CTLRP

IRQ2

Equity Series Computers

12/12/88

EQll+ -3

EQUITY II+ (10 MHz)

Computer Specifications

CPU

Math Co-Processor

RAM ROM Floppy Disk

Controller

I/O

Expansion

slots

Speaker Clock/Calendar

RAM

Keyboard

Power Supply

Mass Storage

Standard

Optional

Interfaces

Standard

Environmental Requirements

Temperature

Operating range 41’ to

Storage range

Humidity

Operating

Storage range 10% to 90%

Physical Characteristics

Power Requirements

Video Options Adaptors

Displays

EQII +

80286

m~croprccessor,

selec!able

clock speeds

30287 support 640KB on 32KB

EPROM

Supports two 5

25- double-density (360KB).

and 5 25”

SIX full-length Three.

16.bit

standard

conllguratlon

Internal. programmable

64 bytes 01 CMOS RAM for calendar and system battery backup

Detachable, enhanced IBM-AT style.

posItIon.

101 sculpted keys,

QWERTY

Swltchlng

type. fan cooled.

t15/23OV

AC, 110 watts

+5V DC

+12V

Three.

internal hall-height dewces max,m”m

5 25”

half-height

1 2MB storage capacity 5 25”

half-height

1 2MB storage capaaty 5 25”

hall-helqht

360KB

storaie capaaty

3 5”

half-hetaht flooov disk dwe,

720KB

stora-& ca&ty

3 5”

half-heaght

ZOMB

storage 5 25” half- or 40MB storage

Centronlcsvompatlble parallel port,

DB25 female connector RS-232C

compatible serial

connector

90°F

(5” to 35°C)

to 140°F (-20” to

to 80%

Width

Depth

Height Weight (Single

floppy

lt5V AC,

230VAC.

50Hz

Monochrome Color

Graphics

MGA

(Multi

EGA (Enhanced

1Y Monochrome

13’ Color

Dlsolav (640x200

13’ Enhanced

640x350 dots, automatlcally selectable)

range

-4’

2006

8110 MHz

(OptIon)

mar

system board

~a,,.

32KB or 64KB

drives

wth

high density (1 2MB)

slots:

three.

and two,

8.bit

conflguratlon

conflgurataon. 12 function

(140

DC,

-5V

floppy

dtsk drive.

floppy

disk drw

floppy

disk

hard

disk drive,

capacity

full-height

hard

capac,ty

60%)

non-condensing non-condensing

CPU

1571n

1631n

6 1

I”.

198lbs

disk

dwe

conflguratlon)

60Hz.

t9A

(9OV-137V. 47Hz-63Hz)

1 OA

(19OV.265V. 47Hz-63Hz)

Display

Adaptor

Mode

Graphics

Display

Cblbr Display

multlple

3 Y

16.bit.

slots

real-time

58.key

worldwIde

watts peak)

DC. -12V DC

dwe.

disk

port.

Adaptor)

(720x350 dots)

dots)

(64&200 or

switch

selectable

formats,

(720KB)

three.

wallable

clock.

wth

keys

dwe.

DB9

male

t&n

771”

18111

39lbs

8-b!t

Switch Settings

There are no DIP switches on the Equity II+. However, there is a MONITOR SELECT switch and a CPU SPEED switch on the front of the unit in the lower left hand corner.

Monitor Select

I”

Color, composite, EGA, and VGA monitors

The CPU SPEED switch selects between 8 MHz and 10 MHz. When the computer is running at 8 MHz, the power light is

orange, and at 10 MHz, the light is green.

Connector Pin Assignments

Parallel Port Connector

PIN ND.

12/12/88

000000000000

SIGNAL NAME

1 2 3 4 5 DATA3 6 7 DATA5

8 DATA6

10 11 12 13

14 15

20 GND 21 22 23 24 25

STROBE DATA0 DATA1 DATA2

DATA4

DATA7

ACK

+ BUSY

+PE + SLCT

- AUTOFT

-ERROR

- INIT

- SLCTIN

GND GND

GND

DIRECTION

Equity Series Computers

DESCRIPTION

0 0 0 0 0

0 0 I I I I I I I I

Printer Data Printer Date Printer Date Ml 2 Printer Data Blt 3 Printer Data BI 4 Printer Printer Data

Printer Date Bit 7 Acknowledge Printer Busy End ol Paper Prlnter Select Auto Feed Printer Error Prlnter

Printer

Ground Ground Ground Ground Ground

Bll

811

Data

Blt 5

Bit

lnltlellze

Select In

0 1

Ground Ground

Ground

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