AT&T PC 6300 - Page 228

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DIAGNOSTICS

CUSTOMER

TEST

DIAGNOSTICS

The

Customer

Test

is

loaded

from

the

diagnostic

diskette

that

is

supplied

to

the

customer.

The

purpose

of

the

Customer

Test

Diagnostics

is

to

provide

you'with

a

set

of

tests

to

verify

the

functionality

of

the

AT&T

Personal

Computer

6300

modules.

Each

test

can

be

selected

individually

as

needed.

These

tests

include:

•

Motherboard

•

Memory

•

Keyboard

'

•

Color/Monochrome

Video

System

=

.

/

,

•

Parallel

Interface

•

Serial

Interface

y

•

MFD

^

"■

•

HDU

and

Controller

•

Parallel

Printer

>■

;

•

8087

Math

Co-Processor

s'

,

•

Video

Option

Board

(DEB)

•

Second

HDU

and

Controller.

4-20

n

•w*

u

n

-

H

n

These

tests

allow

customers

to

gain

a

degree

of

confidence

in

the

•

correct

operation

of

the

system

and

discriminate

between

^

hardware

and

software

problems.

In

many

cases,

it

will

be

J|

necessary

for

Service

Personnel

to

perform

the

System

Test

f.

]

Diagnostics

in

order

to

confirm

the

customer's

diagnosis.

An

explanation

of

error

messages

are

provided

at

the

end

of

this

^

chapter.

For

troubleshooting

information

associated

with

the

|

j

error

messages,

refer

to

Chapter

5,

"MAINTENANCE."

Note:

It

is

recommended

that

you

make

a

copy

of

your

[

-

Customer

Test

Diagnostic

Diskette.

Save

the

original

as

a

backup

master.

Use

the

copy

as

the

working

Customer

Test

T

Diagnostic

Diskette.

V

n

'yf.

n

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