Microcomputer systems Msc-9800h User manual

6/30/81-0P47-26

M~CROCOMPUTER

SYSTEMS

CORPORATION

MSC-98OOH

WiNCHESTER

DISC

STORAGE

SUBSYSTEM

USER'S

MANUAL

JUNE

1981

PRELIMINARY

104221

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SECTION

I

2

3

6/30/SI-0P47-27

TABLE

OF

CONTENTS

TITLE

GENERAL INFORMATION

1.1

Introduction

1.2

Description

INSTALLATION

2.1

Introduction

2.2 Unpacking and Inspection

2.3 Installation

Procedures

2.3.1

Setting

Line Voltage

2.3.2 Selecting Proper Fuse

2.3.3 Power Cord

2.4 Disc Drive Setup

2.4.1 Connecting

to

the

HP-85

2.4.2

Select

Code Switch

2.4.3 Device Address Switches

2.4.4 Installing Mass

Storage

ROM

OPERATING THE DISC DRIVE

3.1

Introduction

3.2 Overview

3.3

Controls

and Indicators

3.4 Power On

3.5

Usi

ng

the

Disc Drive

3.5.1 Accessing

the

Disc Drive

3.5.2 Working With Files

3.5.2.1

Create

Command

3.5.2.2

Cat

Command

3.5.2.3 Mass

Storage

Is

Command

3.5.2.4

Rename

Command

3.5.2.5 Copy Command

3.5.2.6 Purge Command

PAGE

3

5

8

9

12

14

16

17

i7

18

19

21

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SECTION TITLE PAGE

4 SERVICE INFORMATION

4.1

How to Obtain Repair Service

21

4.2 General Shipping Instructions

21

4.3 Repair

Policy

21

APPENDICES

A ACCESSORIES 23

B ENVIRONMENTAL SPECIFICATIONS 24

C

LIMITED

90-DAY

WARRANTY

25

6/30/81-0P47-28

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TABLE

2-1

2-2

6/30/81-0P47-29

TABLES

TITLE

FUSE

SELECTION

DEVICE

ADDRESS

SWITCH

PAGE

8

II

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1.1

INTRODUCTION

SECTION I

GENERAL INFORMATION

The

MSC-

9800H Winchester

Disc

Storage System

(Figure

1-

I)

provides mass

storage

capabilities

for

the

HP-85

Computer.

The disc

drive

connects

directly

to

the

HP-85

and requires

only

the

Mass Storage

ROM.

The

ROM

provides

all

the

necessary

interface

control

so

that

the

disc

drive

and

the

HP-85

can

communicate.

This manual contains

all

the

information

that

the

user needs

in

order

to

install

and use

the

disc

drive.

For

a

detailed

description

of

the

Mass Storage

ROM

consult

the

following

HP

manual:

Mass Storage

ROM

Manual

HP

Number:

00085-90447

1.2

DESrnlPTION

The

MSC-

9800H has a

total

formatted

capacity

of

4.6 megabytes,

divided

into

four

sections. The

capacity

of

each

section

is

the

equivalent

of

the

capacity

of

an

8-inch,

double-sided

flexible

diskette.

From

the

user's

point

of

view,

the

MSC-9800H

operates

as

four

separate

flexible

disc

drives

controlled

by one

controller.

The

controller

addresses each

of

the

four

sections

of

the

disc

drive

as

a separate

flexible

disc

drive.

6/30/81-0P47

-1-

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FIGURE

I-I

HP9800H

6/30/81-0P47

-2-

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SECTION 2

INST

ALLATION

2.1

INTRODUCTION

This

section

contains

the

information

that

is

necessary

in

order

to

prepare

the 9800H disc

drive

for

operation.

2.2 UNPACKING AND INSPECTION

The disc

drive

was

carefully

inspected,

both

electrically

and

mechanically,

before

the

factory

shipped

it.

Remove

the

drive

from

the

shipping

carton

and

carefully

inspect

the

unit

for

any physical damage

that

may

have

occurred

during

shipment.

If

you

find

any damage,

notify

your dealer

immediately

and,

also,

file

a

claim

with

the

carrier

involved.

Save

the

shipping

container

in

case

the

unit

must

be

returned

for

service

or

shipped

to

a new

location.

NOTE: THE MSC-9800H is a precision

device.

It

has been

built

to

withstand

normal handling.

Care must be

taken

not

to

drop

it

or

bump

it

hard. Evidence

of

excessive shock

wi

II

void

the

warranty.

2.3

INST

ALLATION PROCEDLRES

The

installation

procedures consist

of

the

following:.

setting

the

proper

line

voltage,

setting

the

device

address, and

connecting

the

HP-IB

cable.

2.3.1

Setting

Line

Voltage

7/7/8I-OP47

The

factory

configures

the

MSC-9800H

to

operate

at

a

line

voltage

of

120

volts

a.c.

at

a

frequency

in

the

range

of

47

to

63

Hertz.

If

the

current

installation

has

another

voltage,

then

the

line

voltage

setting

of

9800H

must

be

changed. The procedure

to

change

the

line

voltage

follows.

-3-

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WARNING

Remove

the

a.c.

power cord from

the

service

outlet.

A sliding,

clear-plastic

cover above

the

a.c.

connector

on

the

rear

paneI serves

as a

safety

mechanism. Even

though

there

is

a

safety

mechanism

on

the

rear,

it

is

safer

to unplug

the

line cord.

I.

Remove

the

a.c.

power cord from

the

service

outlet

and from

the

rear

of

the

disc drive. See Figure

2-1.

2.

Slide

the

plastic

cover

at

the

side

of

the

line plug

connector

down all

the

way

so

that

the

cover

is over

the

line plug

connector.

3. Look

at

the

small

wafer

at

the

top

of

the

a.c.

line

connector.

The wafer

shows one

of

the

following numbers: 100,

120,

200, or 240; this number

is

the

voltage for which

the

disc drive

is

configured.

4.

If

the

number on

the

wafer

differs

from

the

voltage

available

at

the

installation,

remove

the

wafer

from

its

slot.

See

Figure

2-2.

5. The

wafer

has

the

numbers 100, 120, 200 and 240

on

both sides. Observe

the

number

that

corresponds

to

the

voltage

at

the

current

installation.

6. Position

the

wafer

so

that

the

number

that

corresponds

to

the

voltage

at

the

current

installation is visible and right side

up

at

the

left

side of

the

wafer.

7.Re-insert

the

wafer

in

its

slot,

making

certain

that

the

selected

number on

the

wafer

is still visible from

the

inserted

position.

I'KlTE

The disc drive is now configured

to

operate

at

the

voltage

at

the

current

installation.

No

frequency

conversion

is

necessary.

8. Slide

the

plastic

cover back over

the

wafer.

7/7/81-0P47

-4-

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9.

Plug

the

a.c.

power

cord

into

the

a.c.

connector

at

the

rear

of

the

disc

drive.

This

completes

the

setting

of

the

line

voltage.

2.3.2

Selecting

Proper

Fuse

7/7/81-0P47

The

factory

ships

the

disc

drive

with

the

correct

fuse

for

120

volts.

For

operation

at

other

I

ine

voltages,

the

u~er

must

install

the

proper

fuse.

See

Figure

2-3

for

fuse

replacement.

FIGURE

2-1

REAR

PANEL

OF

MSC-9800t-t

DISC

DRIVE

-5-

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FIGURE

2-2

VOLTAGE-SETTING

WAFER

6/30/81-0P47

-6-

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FIGURE

2-3

REMOVING FUSE

6/30/81-0P47

-7-

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The fuse

receptacle

is

on

the

rear panel

of

the

disc

drive.

Table 2-1

lists

the

voltage

settings

and

the

proper fuse

ratings

for

the

voltage

settings.

TABLE

2-1

FUSE

SELECTION

LINE

VOLTAGE

SETTING

100

to

120

vac

220

to

240

vac

FUSE

RATING

(250V)

2 amperes

1ampere

To

install

or

replace

the

fuse,

first

disconnect

the

power

cord

from

the power

outlet.

I.

Remove the fuse by

pulling

out

the

fuse

lever.

2.

Push

the

proper fuse

into

the

clips

(see

Figure

2-3).

2.3.3 Power Cord

6/30/81-0P47

The power cord

that

the

factory

supplies

must

match

the

plug

requirements

of

your

areaLJf

the

.disc

drive

has

the

wrong

power

cord,

get

in

touch

with

your

local

dealer

or

sales

representative.

WARNING

Use

only

the

power

cord

specified

by

Microcomputer

Systems

for

your area.

If

it

is necessary

to

replace

the

power

cord,

the

replacement

must have

the

same

polarity

as

the

original.

This

warning must be observed;

otherwise,

a

safety

hazard

from

electrical

shock can

exist.

Also,

using

the

wrong

cord

can damage

the

disk

drive.

-8-

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2.4 DISC DRIVE SETUP

After

the

power

requirements

have been taken

care

of,

the

disc

drive

is

ready

for

connection

to

the

HP-85.

The

following

paragraphs describe

the

necessary connections and

settings.

2.4.1 Connecting

to

the

HP-85

The user

must

use

an

HP-IB

Interface

Module, model

HP

82937

A,

in

order

to

connect

the

disc

drive

to

the

HP-85

computer.

Hewlett-Packard

supplies

the

Interface

Module. The

following

procedure shows how

to

connect

the

disc

drive

to

the

HP-85

computer.

I.

Turn

off

the

power

on

both

the

disc

drive

and

the

HP-85

computer.

2.

Plug

the

HP-IB

Interface

Module

into

an

I/O

port

at

the

rear

of

the

HP-85.

3.

Refer

to

Figure

2-4

and plug

the

connector

of

the

HP-IB

Interface

Module

into

the

mating

HP-IB

connector

at

the

rear

of

the

disc

drive.

2.4.2 Select Code

Switch

The

Hewlett-Packard

factory

sets

the

select

code

of

the

HP-IB

Interface

Module.

If

you

must

change

the

setting

of

the

select

code, consult

the

manual

for

the

HP-IB

Interface

Module.

2.4.3

Device

Address Switches

6/30/81-0P47

Each

device

that

connects

to

the

HP-85

through

the

HP-85

Interface

Module has an address

that

identifies

it.

The

Interface

Module can

accept

up

to

eight

devices, each

of

which

must

have a

separate address. On

the

disc

drive,

the

device

address is

set

using

the

DEVICE

ADDRESS switches on

the

rear

panel

of

the

disc

drive.

Table

2-2

lists

the

settings

of

the

DEVICE

ADDRESS

switches.

-9-

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FIGURE

2-4

CONNECTING

HP-IB

6/30/81-0P47

-10-

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6

Open

Clsd

Cisd

NOTE

Only

switches 6, 7 and 8

of

the

device address

are

used.

Switches I through 5 must

be

set

to

the

OPEN position

at

all

times.

TABLE

2-2

DEVICE

ADDRESS

SWITCH

SWITCH NUMBER

7 8

Open Open

Open Clsd

Clsd Open

Clsd Clsd

Open Open

Open Clsd

Clsd Open

Clsd Clsd

Value

0

I

2

3

4

5

6

7

Before

shipping

the

disc

drive,

the

factory

sets

the

device

address

to

3.

If

you need

to

change the

device

address,

turn

off

the

power

to

the

drive

by

setting

the

power

switch

on

the

rear

panel

to

OFF.

It

is

very

important

that

you

turn

off

the

power

before

changing

the

address switches.

6/30/81-0P47 -11-

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Set a

switch

section

to

OPEN by Jsing a

pointed

object

to

press

the

lower

portion

of

the

rocker

to

OPEN. Set a

switch

section

to

CLOSED by pressing

the

upper

portion

of

the

rocker

to

CLOSED.

In

the

table

CLOSED is

indicated

by CLSD (see

Figure

2-5).

2.4.4

Installing

Mass Storage

ROM

6/30/81-0P47

In order

to

use

the

9800H disc

drive

with

the

l

HP-85

computer,

the

HP-85

Mass Storage

ROM

must be

installed

in

the

HP-85

computer.

You

must

first

install

the

ROM

in

the

ROM

Drawer.

Then you

must

install

the

ROM

Drawer

in one

of

the

four

I/O

ports

of

the

HP-85

computer.

For

instructions

in

installing

the

ROM

and

the

ROM

Drawer,

consult

the

HP 82936A

Rom

Drawer

Instruction

Sheet and

the

HP-85

Owner's Manual and

Programming

Guide. The

HP-85

Mass Storage

ROM

Manual

contains

complete

instructions

for

using

the

ROM

with

disc

drives.

-12-

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FIGURE

2-5

SETTING

DEVICE

ADDRESS

SWITCHES

6/30/81-0P47

-13-

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3.1

INlRODUCTION

SECTION

3

OPERATING

THE

DISC

DRIVE

This section discusses

the

operation

of

the

MSC-9800H Winchester

Disc

Storage System,

referred

to

as

the

disc

drive.

Before

reaching

this

point,

the

user should have

installed

the disc

drive

as

described in Section

2.

3.2

OVERVIEW

The storage

capacity'

of

the

disc

drive

is 4.6 megabytes;

the

HP-85

computer

sees

this

capacity

as

four

separate storage

capacities

of

approximately

1.15

megabytes,

the

equivalent

of

an

eight-inch,

double-sided

flexible

disc.

These

separate storage

capacities

are designated volumes in

the

same manner

that

individual

flexible

disc drives

are;

these volumes

initially

have

the

factory-assigned

labels

of

DO,

0 I,

02

and

03,

and each has

its

own

directory.

All

volumes,

however,

have

the

same

HP-IB

(device) address.

3.3 CONlROLS

AND

II'DICA

TORS

The disc

drive

has

two

controls

and one

indicator

that

the

user

must

be aware

of.

The

two

controls,

located

on

the

rear

panel,

are

the

power

switch

and

the

device-address

switch.

Both

of

these

controls

are

discussed in Section 2.

The

indicator,

the

drive

accessed

light,

is on

the

front

panel;

it

lights

whenever a

volume

is accessed (see

Figure

3-1).

3.4 POWERON

Before

turning

on

the

disc

drive,

make

certain

that

all

connections have been

made.

Refer

to

Section 2,

Installation

if

necessary.

Locate

the

power

switch

on

the

rear

panel and set

it

to

the

ON

position.

The

disc

drive

requires

about

20

seconds

after

the

application

of

power

before

it

is ready

for

operation.

Turn

the

disc

drive

on

before

applying power

to

the

HP-85.

7/7/81-0P47 -14-

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FIGURE

3-1

DRIVE

ACCESSED

LIGHT

6/30/81-0P47 -15-

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3.5

USING

THE

DISC

DRIVE

The manual

for

the

Mass Storage

ROM

contains

all

the

information

that

the

user needs

to

operate

the

disc

drive.

In

that

manual,

all

references

that

are

made

to

individual

flexible

disc

drives

are

applicable

to

an

individual

volume

on

the

MSC-9800H

disc

drive.

The

following

paragraphs in

this

section

give

exarnples

of

some

of

the

ways you can use

the

disc

drive.

NOTE

Some commands

like

COpy

and

PACK

can

take

several

minutes

to

complete.

Do

not

press RESET

during

the

execution'

of

these

commands:

data

will

be

lost.

3.5.1 Accessing

the

Disc

Drive

7/7/81-0P47

The user can access

the

disc

drive

in

one

of

two

ways: using

the

mass

storage

unit

specifier

(msus)

or

the

volume

label

for

a

specific

volume.

These

specify

the

exact

location

on

the

disc

drive

where

information

is

to

be

either

stored

or

retrieved

from.

The

form

of

the

msus is

as

follows:

":0

interface-select-code

device-address

drive-unit-number"

The

four

volumes

on

the

disc

drive

leave

the

factory

initialized

as

volumes

"DO",

"0

I",

"02" and

"03".

When using

volume

labels

to

specify

a

volume,

the

HP-85

must

search

for

a

match.

The search begins

with

the

low

HP-IB

addresses and checks each

unit

on

attached

drives.

Therefore,

if

2

or

more

MSC-9800 disc subsystems

are

attached

on

the

same

HP-IB

interface,

the one

with

the

higher

device

address

cannot

be

accessed

with

the

factory

supplied

volume

labels

since

the

HP-85

-16-

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