Epson Equity 386/25 PLUS Troubleshooting Guide download pdf (Page 4)

EQUITY 386/25 PLUS

There

am

jumpers on the Equity 386125 PLUS main

board

(sos

Illustrati0n

for

lccation).

These jumpers sot options

for

memory, EPROM size, monitor type,

et0

12345678

A

B*

A

A*

A

B

B

B

B

B

0

B

B

0 A

B

B

B*

BABBA

BABAA

A

B

B

B

B

A

B

B

A

B

A A

B

B

B

AABBA

BAAAA

AABAA

AAABA

A A A A A

EnabbE early l/O ready

Seta

normal I/O ready

64OKB

Base Memory

512KB Sass Memory

256KB Base Memory

1 MB Total Memory

2MB Total Memory

3MB

Total Memory

4MB

Total Memory (a)

4MB Total Memory

(II)

6MB

Total

Memory

8MB

Total

Memory

9MB

Total

Memory

1OMB

Total

Memory (c)

1OMB

Total Memory (d)

12MB Total

Memory

16MB

Total Memory

*

Factory Setting

(a) configured using 266KS

SlMMs

in all banks

(b)

contigursd using four 1 MB

SIMMs

in bank 0

(c) configured using eight 266KB

SlMMs

in banks 0 and 1

and eight 1 MB

SlMMs

in banks 2 and 3

(d) configured using eight 1 MB

SIMMs

in banks 0 and 1

and eight

2!56KB

SlMMs

in banks 2 and 3

Jumper Number

Fundon

Desorlptlon

Jumper Number

10

11

12 13

14

A*

B

A

B’

A*

6

A

BY

A*

B

Factory Senings

Function Description

Enables built-in mouss port

Disables built-in mouss port

Enables mouse

port

on an option

Disables mouse

port

on an option

Color

monitor

installed

Monochrome monitor installed

Disables

poweron

password

Enables

poweron

password

Enables built-in VGA adapter

Disablss

built-in VGA adapter

1

JP2

JP3

JP4

JP5

JP6

JP7

JP13

JP14

A

jumper’s setting is

dctamined

by

where the jumper is placed

on the pins. The jumper either CoMQtO pin A and the middle

pin (position A) or

connects

pin B and the middle pin (position

B),

as shown below.

SIMM lnstallation

I

bank 0

bank 1

bank 2

bank 3

Notrx

Jumpr

J9 is not

used.

386/25 PLUS-4

11/15/90

Equity Series Computers

1 2 3 4 5 6 7 8

Comments to this Manuals

No comments