Commodore A 2091-40 - Page 43

75 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

The

A2091

Installation

Software

Disk

5-7

RAM

Test

Z)

This

program

tests

any

RAM

chips

installed

on

the

A2091

card

to

make

sure

that

the

chips

are

installed

properly

and

are

functioning

correctly.

Your

A2091

was

tested

with

two

megabytes

of

RAM

at

the

factory

before

it

was

shipped.

Double-click

on

the

RAM

Test

icon.

The

system

will

display

the

memory

expansion

sockets

of

the

A2091,

fully

populated

with

two

megabytes

of

RAM

chips.

The

system

will

also

display

the

Status

window

and

the

Result

window.

The

Status

window

displays

the

section

of

RAM

being

tested.

The

Result

window

diplays

the

A2091

card

being

tested

and

the

size

of

available

memory

on

the

card.

This

window

will

display

any

failure

messages.

RAM

Chip

Map

Banka

|

U26

u27

|

U28

|

u

|

2MEG

Bank

2

uz

|

uss

|

ua

u25

2

MEG

Bank

1

us

|

u9

u20

u21

1

MEG

Bank

0

ua

|

us

|

ue

u17

512K

Chip

Pin

Numbers

0987654321

4

11

12 13

14

15 16

17 18 19

20

The

RAM

Test

program

runs

three

tests

on

the

RAM

chips:

1.

Data

test

A

data

test

failure

will

display

one

of

three

error

messages:

©

bad

bit—The

bits

will

be

listed,

and

the

affected

chip

will

be

listed

and

marked

with

an

X

on

the

display.

Replace

the

chip

with

a

new

one.

Table of Contents