LSI M-Three Manuale utente

SVSTem

m=~REE

OPEAATOR~S

mANUAL

The

M-THREE

Operator's

Manual

This manual describes the operation

and available features on the

M-THREE

range

micro

-computers.

For

additional

information

technical assistance contact:

LSI Computers

Limited,

Copse

Road, St Johns, Woking, Surrey. GU21 1SX

Telephone: Woking (04862) 23411 Telex: 859592

CONTENTS

SECTION 1 INTRODUCTION

1.1

GENERAL ....................................................................

1-1

1.2 THE

MAIN

CONTROL

UNIT

.......................................

1-1

1.2.1 Disk Drive Control.............................................

1-1

1.2.2 Visual Display Control.......................................

1-2

1.2.3 Peripheral Control.............................................

1-2

1.3 THE KEYBOARD .........................................................

1-2

SECTION 2

INITIAL

OPERATION

2.1

GENERAL ....................................................................

2-1

2.2 SWITCHING

THE M-THREE .................................

2-1

2.3 THE CONTRAST CONTROL .......................................

2-1

2.4

VISUAL

DISPLAY PROMPT .......................................

2-2

2.5 THE DISKETTE ...........................................................

2-2

2.6 DISKETTE

HANDLING

...............................................

2-3

2.7 DISKETTE VENDORS .................................................

2-3

2.8 DISK DRiVES................................................................ 2-4

2.9 LOADING THE M-THREE/100 SERIES ...................... 2-4

2.10 LOADING THE M-THREE/200-300 SERIES ............... 2-4

SECTION 3 KEYBOARD OPERATION

3.1

GENERAL ....................................................................

3-1

3.2 THE 'QWERTY' CLUSTER ..........................................

3-1

3.2.1 Control ................" ...............................".........

3.2.2

Esc

..................................................................

3-1

3.2.3

Caps

Lock .......................................................'

3-1

3.2.4 Del..................................................................

3-1

3.2.5 Line

Feed

........................................................

3-1

3.2.6 Break ............................................................... 3-2

3.3 THE NUMERIC PAD .................................................. 3-2

3.4 THE SPECIAL FUNCTION KEYS .............................. 3-2

SECTION 4

VISUAL

DISPLAY: SOFTWARE CONTROL

4.1

RAL

..................................................................

4-1

4.2

ESCAPE

SEQUENCES ................................................

4-1

4.2.1

Erase

Screen

....................................................

4-1

4.2.2

Erase

End-Of-Screen ........................................

4-1

4.2.3

Erase

Line .......................................................

4-1

4.2.4

Erase

End-Of-Line ...........................................

4-1

4.2.5 Cursor Up ........................................................

4-1

4.2.6 Cursor Down ...................................................

4-1

4.2.7 Cursor Right ....................................................

4-1

4.2.8 Cursor

left

......................................................

4-'

4.2.9 Cursor Home ...................................................

4-2

4.2.10 Cursor Address ................................................

4-2

4.2.11 Graphics Mode ................................................

4-2

4.2.12 ASCII Mode ....................................................

4-2

4.2.13 Inverse Video Character ..................................

4-2

SECTION 5 THE OPERATING SYSTEM

5.1

GENERAL ..................................................................

5-1

5.2 PROGRAM MODULES ...............................................

5-1

5.3 TRANSIENT PROGRAM

AREA

(TPA) .....................

5-2

5.4 DISK

DRIVE

SELECTION .........................................

5-2

5.5

DATA

STORAGE FILES ............................................

5-3

SECTION 6

UTILITY

PROGRAMS

6.1

GENERAL ..................................................................

6-1

6.2 FORMAT ....................................................................

6-1

6.3 VERIFy...................................................................... 6-2

6.4 COPYDISC .................................................................. 6-3

6.5 BACKUP ..................................................................... 6-4

6.6

PROG

(Program) ......................................................... 6-6

6.7

INIT

(Initialise) ........................................................... 6-8

SECTION 7 M-THREE/NET

7.1

GENERAL ..................................................................

7-1

SECTION 8 INTERFACES

8.1

GENERAL ..................................................................

8-1

8.2 RS232 INTERFACE ...................................................

8-1

8.2.1

Rear

Panel

Connections ...................................

8-1

8.3 RS232 HANDSHAKE PROTOCOLS .......................... 8-2

8.3.1 Request

Send

[RTS] ................................. 8-2

8.3.2 Clear To

Send

[CTS] ...................................... 8-2

8.3.3 Data Set Ready [DSR] ................................... 8-2

8.3.4 Data Terminal Ready

[DTR]

.......................... 8-2

8.4

PARRALLEL

PRINTER PORT INTERFACE ............ 8-3

8.4.1

Rear

Panel

Connections

................................. 8-3

8.5 THE GENERAL

PURPOSE

INTERFACE BUS .......... 8-4

8.5.1

Rear

Panel

Connections

................................. 8-5

iii

SECTION 9 PREVENTIVE MAINTENANCE

9.1

GENERAL ..................................................................

9-1

9.2 DISK

DRIVE

MAINTENANCE ..................................

9-1

9.3

AIR-FILTER

MAINTENANCE ...................................

9-1

9.1.1 Removal..........................................................

9-1

9.1.2 Cleaning ..........................................................

9-1

SECTION 10 FUNCTIONAL SPECIFICATION

10.1 GENERAL ..................................................................

10-1

10.2

PROCESSOR

..............................................................

10-1

10.3 MEMORY ...................................................................

10-1

10.4

INTEGRAL

DISPLAY MONITOR ...............................

10-1

10.5 KEYBOARD ...............................................................

10-1

10.6 INTERFACES .............................................................

10-1

10.7 DISKETTES ................................................................ 10-2

10.7.1 M-THREE/100

series

...................................... 10-2

10.7.2 M-THREE/200-300

series

............................... 10-3

10.8 MASS STORAGE ........................................................ 10-3

10.8.1 M-THREE/100

series

...................................... 10-3

10.8.2 M-THREE/200

series

...................................... 10-4

10.8.3 M-THREE/300

series

...................................... 10-4

10.9 PHYSICAL SPECIFICATIONS ................................... 10-5

10.9.1 Environmental Limits ..................................... 10-5

10.9.2 A.C. Requirements ......................................... 10-5

10.9.3 Power Consumption ........................................ 10-5

10.9.4 Mechanical Dimensions ................................... 10-6

10.9.5 Weight ............................................................ 10-6

SECTION 1

INTRODUCTION

1.1

GENERAL

The LSI SYSTEM M-THREE

a compact and versatile desk-top

micro-computer system which

has

the capability

undertake

complex tasks in

differing

fields,

e.g.

stock

control,

accounting,

instrumentation

control,

etc.

Several

different

M-THREE models

are

available, enabling the user

match the system's intended

function

functions

with

effecient mass-memory configuration

(see

10.8). These models

all support CP/M, rendering them compatible

with

a wide

range

software

packages.

N.B. The complete functional specification

all M-THREE systems

can

found in Section 10.

Physically all M-THREE systems separate

into

two

parts:

The Main Control

Unit.

The Keyboard.

1.2

THE

MAIN

CONTROL

UNIT

Apart

from

the internal processing

data, the Main Control

Unit

performs some

important

functions which

are

more obvious

the

operator:

Disk Drive

control.

b) Visual Display control.

Peripheral control.

1.2.1 Drsk Drive

Control

In order

for

the M-THREE system

function

a micro-

computer, the Main Control

Unit

must have rapid

access

quantities

data (which

will

exceed its internal

memory

capacity) and the necessary processing instructions (soft-

ware) which

will

cause

that

data

manipulated in a

predetermined manner. The relevant data and software

stored on magnetic Disks/Diskettes

(see

2.5) which

can

'read'

from,

'written'

to,

the Main Control

Unit.

This 'reading' and

'writing'

achieved

controlling

the

1-1

Disk Drives

into

which the Disks/Diskettes

are

placed or

permanently held.

1.2.2 Visual Display control

The Visual Display

the most important operator aid in

the system.

the

means

which the Main Control

Unit

communicates

with

the operator; a software control-

led

'window'

into

the computer. The Visual Display,

coupled

with

system familiarity (keyboard and software

protocols etc.), will enable two-way communication

between the operator and the M-THREE system.

The display

area

the

screen

can

contain a maximum

24 I

ines,

each

one having up

80 characters in

(1,920

characters in all).

Each

these

characters

can

any

one

the symbols shown in appendices A and

Any

Further explanation

the behaviour

the

Visual Display at this

point

would

fruitless

entirely software dependant.

1.2.3 Peripheral Control

The M-THREE

has

the

ability

control

devices

external

its own immediate system.

These

devices,

whatever

they

may

actually

be,

come under the heading 'Peripherals'.

The most common peripheral

a printer, which will

needed

the system

being

used

for anything that

requires a printed

output

(hard-copy).

1.3 THE KEYBOARD

The Keyboard enables the operator

load data and instructions

into

the Main Control Unit. The actrual 'language'

used

for

this

entirely

dependant on the system control software (Operating System) in

use

at the time,

but

most software interacts

with

the operator by using the

Visual Display

for

'prompt-messages' and thereby

enhances

the

necessary

two-way communication.

1-2

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