AT&T PC 6300 - 8087 Math Co-Processor; Parallel Printer Test

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DIAGNOSTICS

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13

-

SHIP

THE

UNIT:

This

is

actually

not

a

test

for

the

HDU.

It

is

a

software

routine

that

sets

the

heads

of

the

HDU

in

an

unused

track

at

the

end

of

the

disk.

This

reduces

the

possibility

of

the

disk

being'

damaged

when

the

unit

is

transported

from

one

location

to

another.

This

subroutine

can

also

be

found

on

the

MS-DOS

disk.

14

-

DISPLAY

BAD

TRACK

TABLE:

This

test

checks

to

see

if

there

are

any

bad

tracks

on

the

HDU

and

puts

them

in

a

table.

15

-

FORMAT

BAD

TRACKS:

This

Test

Will

Erase

All

Files

on

the Disk.

This

test

finds

bad

tracks

and

marks

them

as

bad

tracks

in

the

BTT.

16

-

RUN

ALL

OF

THE

ABOVE

TESTS:

This

Test

Will

Erase

All

Files

on

the

Disk.

This

test

runs

tests

1

to

13,

inclusively.

8087

Math

Co-Processor

If

the

system

configuration

switches

indicate

that

the

8087

Numeric

Data

Processor

is

present,

then

the

8087

test

is

performed.

The

8087

test

involves

doing

initializations

to

the

processor

and

making

sure

they

all

pass.

Parallel

Printer

Test

This

option

tests

the

printer

connected

to

the

parallel

port

of

the

system.

The

test

initializes

the

printer

which

prints

out

a

complete

character

set.

Compare

your

printout

to

the

following.

4-77

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