Epson Equity 386/25 PLUS Troubleshooting Guide download pdf (Page 3)

EQUITY 386/25 PLUS

Keyboard and Mouse Connector

m

Ptn+

ql--Pin

3

Pin

2’

’

Pin

1

~M~~ugii

the keyboard and

moun

connectara

am

phykall~

identical,

they

culpot

k

ued

hhrchmesably.

Keyboud

Connoctof

IS

lKeyboardCkck

I

6

Resefved

Mouse Connector

I/O Port

Addme8u

F-

oooOlF

02OJRl

07W7F

OPnoBF

OF0

OF1

OF0OFF

17G178

16GlB6

1BF

lfSlF7

2oG207

27s27F

276

2FWFF

300-31F

37oa7

37-F

378

3eQaF

3m3oF

3FoaF7

3F8iSF

DMA

Controller 1

hletnlplconlrolbr

1

TifTlOf/CWltOf

Keybod

Cf.Mollr

(W42)

Real-Tlmr

Clock NMI

Mark

F/jointfilesconvert/69681/bgrstsr

DIM

Pqp

RsgiMmr,

MM

Fort

lntrnvpt Controllr 2

(82SQkompntibb)

DM4

Controlhr

2 (6237A45uxnpatlblo)

awNmBu8y(81#81)

-NmWW

NIJX

(ewsl)

HWdDl8kcOfttJYBllWsIconduy

Configumtlon

F/jointfilesconvert/69681/bgistua

Configurttlon

F/jointfilesconvert/69681/bgbier Unlock Port

1

Hard Dbk contmlbr

Wmuy

Game

l/O

Printar

Port 2 (276 and 27F

M

unused)

Conflgumtbn

Flrglstor

Unlock Port

swidFbrt2

Rot0typr-d

Floppy Dbk

Ddve

contJoller

SIcondary

panllel

Prlntw

Port

l(37B

and 37F are unused)

Cimfiguralbn

Regbtu

Unlock Port2

SDLC,

Birynchronour

Communlcath

2

BisyncfttonousCommuniatlon

1

MonochromeDlrpkyandPtlnler~

color/GmphbMorlitorwaptu

FDD

c0ntrdl.r

Primary

.%alhftl

Hardware Interrupt

VGA Connector

1

Red video

9

Key

I2

I

Green Video

I I

10

Sync Return

I

I3

I

Blue video

1

11

1

Resewed

I

I4

I unused

12

iR

esefved

,

CTLRlClLR2

FUNCTION

Roe

Timer Output 0

IROl

fQJyboard

IRO2

Interrupt from Controller 2

IRW

serhlpoft2

IF404

SBfhlpOftl

lRO5

Pafallel

port

2

IF!06

Floppy disk interrupt

IF07

Parallel port

1

IFIOS

RTC

intermpt

IROQ

Soflwaro

redirected to

IRQ2

IRQlO

bsecvsd

Roll

!haelved

IRo12

Mouw,

pointing device

IRa13

COP-

IRa14

Hard disk controller

IFto

Resewed

Equity Series Computers

11/15/90

386/25 PLUS-3

1 2 3 4 5 6 7 8

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