At&t 3b2 series User manual

AT&T

305-53~

Issue 3

AT&T

382

Computer

Random Access Memory

Expansion Manual

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------ -- - -- - -- - - -

NOTICE

The information in this

document

is subject

change

without

notice. AT&T assumes

responsibility

for

any

errors

that

may

appear in this document.

Copyrightc

1986

AT&T

Printed in U.S.A

•

ORDERING

INFORMATION

Additional copies

this

document

can be

ordered

calling

1-800-432-6600

Inside

the

U.S.A.

1-800-255-1242

Inside Canada

1-317-352-8557

Outside

the

U.S.A.

OR by

writing

to:

AT&T

Customer

Information

Center

(CIC)

Attn:

Customer

Service Representative

P.O. Box 19901

Indianapolis, IN

46219

•

CONTENTS

Chapter

INTRODUCTION

Chapter

2. INSTALLATION AND REMOVAL

A 4-SLOT

382

COMPUTER

Chapter

3. INSTALLATION AND REMOVAL

12-SLOT

382

COMPUTER

Chapter

4. TESTING AND TROUBLESHOOTING

•

Chapter 1

INTRODUCTION

PAGE

FEATURE DESCRIPTION . . . • . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

4-Slot

382

Computer

Memory

Configurations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

12-Slot

382

Computer

Memory

Configurations

. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

CONVENTIONS . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

MANUAL

ORGANIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5

UNPACKING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

IMPORTANT REMINDERS . . • . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

General . . . • • . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Safety . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Hardware

. . • • . . . • . . . • . . . • . . . • . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-8

•

Chapter 1

INTRODUCTION

This

manual

describes

the

Random Access

Memory

(RAM) Expansion

feature

your

AT&T

382

Computer.

Little

computer

experience

needed

install

remove

the

memory

cards.

The

RAM

Expansion

feature

cards

are

designed

for

use in all

382

Computers.

The

operation

the

RAM

cards

identical

for

all

382

Computers,

but

the

installation

and

removal

procedures

for

RAM

cards

are

different.

Therefore,

the

installation

and

removal

procedures

for

382

Computers

equipped

with

four

backplane

slots

(4-slot

382)

are in

Chapter

2, and

the

installation

and

removal

procedures

for

382

Computers

equipped

with

twelve

backplane

slots (

12-slot

382)

are

Chapter

FEATURE DESCRIPTION

The

RAM

expansion

feature

optional

382

Computer

add-on

feature

that

provides

additional

main

memory.

Adding main

memory

improves

the

efficiency

and

power

your

computer.

This

feature

consists only

382

Computer

hardware.

There

are

additional

command~

software

included.

1-1

INTRODUCTION

order

for

you

take

full advantage

the

RAM

installed in

your

382

Computer,

the

tunable

parameter

"N8UF"

must

be set

for

the

particular

amount

RAM

your

computer.

This

parameter

will

automatically

reset

a specified

default

value when you

perform

the

installation

removal

procedure.

Information

on manually

setting

tunable

parameters

is given in

the

382

Computer

System

Administration

documentation.

4-Slot

382

Computer Memory Configurations

The

4-slot

382

Computers

have five possible

configurations

main

memory:

•

5I2

kilobytes -

which

can be obtained by using

two

256-kilobyte

memory

cards in

the

computer.

5I2

kilobytes is

the

minimum

amount

memory

provided

in a

4-slot

382

Computer.

• I

megabyte

which

can be obtained by using one

I-megabyte

memory

card

the

computer.

• 2

megabytes

which

can be

obtained

by using

two

I-megabyte

memory

cards

one

2-megabyte

memory

card in

the

computer.

• 3

megabytes

which

can be

obtained

by using one

2-megabyte

memory

card

and one

I-megabyte

memory

card in

the

computer.

• 4

megabytes

which

can be

obtained

by using

two

2-megabyte

memory

cards in

the

computer.

Note: A

256-kilobyte

memory

card and a

I-megabyte

2-megabyte

memory

card

cannot be used

together

in any

382

Computer.

These are

the

only

combinations

that

are available.

There

are

provisions

for

further

memory

growth

in a 4-slot

382

Computer.

I-2

•

INTRODUCTION

12-Slot

382

Computer Memory Configurations

The

12-slot

382

Computer

has

four

possible

configurations

main

memory:

• 1

megabyte

which

can be

obtained

by using one

1-megabyte

memory

card

the

computer.

megabyte

the

minimum

amount

memory

provided

in a

12-slot

382

Computer.

• 2

megabytes

which

can be

obtained

using

two

1-megabyte

memory

cards

one

2-megabyte

memory

card

the

computer

• 3

megabytes

which

can be

obtained

using one

1-megabyte

memory

card

and

one

2-megabyte

memory

card

the

computer.

• 4

megabytes

which

can be

obtained

by using

two

2-megabyte

memory

cards

the

computer

Note:

256-kilobyte

memory

cards

cannot be installed in

the

12-slot

382

Computer

the

computer

will

not

operate

properly.

These are

the

only

combinations

that

are

available.

There

are no

provisions

for

further

memory

growth

in a

12-slot

382

Computer

1-3

INTRODUCTION

CONVENTIONS

This

document

contains

sample

displays

which

will

help

you

understand

described

procedures.

The

sample

displays in

this

document

and

the

displays

your

terminal

screen

may

differ

slightly

due

improvements

the

product

after

this

document

was finalized.

Therefore,

use

the

displays

this

document

samples

the

type

data

available.

However,

the

data

displayed on

your

terminal

screen

accurately

reflects

the

software

your

computer.

The

following

conventions

are used

show

your

terminal

input

and

the

system

output.

1-4

This

style

type

used

show

system

generated

responses

displayed

your

screen.

This

style

bold

type

used

show

inputs

entered

from

your

keyboard

that

are

displayed

your

screen.

These

bracket

symbols,

< >

identify

inputs

from

the

keyboard

that

are

not

displayed

your

screen,

such

as:

<CR>

carriage

return,

<CTRL

control

<ESC

escape

passwords,

and

tabs.

This style

italic type

used

for

notes that

provide you with additional information.

Note:

Throughout

this

document,

the

terms

"4-slot

382"

and

"12-slot

382"

are

used.

The

term

"4-slot

382"

refers

382

Computer

that

equipped

with

four

backplane

slots

(382/300

and

382/310

Computers).

The

term

"12-slot

382"

refers

382

Computer

that

equipped

with

backplane

slots

(382/

400

Computer).

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