Mitsubishi Electric Apricot LS Guida utente

Apricot

LS SERIES

Owner's Handbook

APRICOT LS SERIES

BX chipset motherboard

with Pentium®II processor

OWNER’S HANDBOOK

Intel and Pentium®II are registered trademarks of Intel Corporation.

Microsoft, MS-DOS, Windows®95 and Windows®NT are registered trademarks

of Microsoft Corporation in the US and other countries.

Other trademarks mentioned within this document and not listed above are the

properties of their respective owners.

Information contained in this document is subject to change without notice and

does not represent a commitment on the part of Apricot Computers Limited.

Any software described in this manual is furnished under a license agreement.

The software may be used or copied only in accordance with the terms of this

agreement. It is against the law to copy any disk supplied for any purpose

other than the purchaser’s personal use.

No part of this manual may be reproduced or transmitted in any form or by any

means electronic or mechanical including photocopying and recording, for any

purpose, without the express written permission of the publishers.

Published by:

Apricot Computers Limited

3500 Parkside

Birmingham Business Park

Birmingham, England

B37 7YS

http://www.mitsubishi-computers.com

Printed in the United Kingdom

LS SERIES HANDBOOK i

CONTENTS

Safety and Regulatory notices

General i

Maintenance and Transporting iii

Standards and Legalities iv

Power connection v

1 Welcome

Unpacking 1/1

Pictorial guide to the system unit 1/2

Removing panels 1/4

General advice 1/7

Connecting the components 1/8

2 Getting Started

Turning on the PC 2/1

Power saving 2/2

Shutting down the PC 2/3

Using the computer for the first time 2/4

Electronic Fingerprinting 2/5

Backing-up the pre-installed software 2/6

Improving your display settings 2/7

If your hard disk is larger than 2 gigabytes 2/8

3 Removable media drives

Diskette drive 3/1

CD-ROM drive 3/3

Contents

ii LS SERIES HANDBOOK

4 Expansion Cards

Configuring the card 4/2

Installing the card 4/5

Reserving ISA legacy resources 4/7

Telling Windows about the new hardware 4/7

5 Motherboard Features & Upgrades

Motherboard detailed view 5/2

Motherboard features and jumpers 5/3

Motherboard IRQs and DMA channels 5/7

Replacing the configuration battery 5/8

Upgrading the motherboard 5/9

Adding and removing DIMMs 5/10

Adding more video memory 5/13

The processor assembly 5/14

6 Drive upgrades

Configuring a Hard Disk Drive (HDD) 6/2

Partitioning and formatting the drive 6/4

Configuring the removable media drive 6/6

7 BIOS Setup & POST

BIOS Setup 7/2

Multi-boot facility 7/4

Power-on self-test 7/5

POST errors and beep codes 7/7

8 Troubleshooting

Problems when starting 8/1

Common problems 8/3

Equipment Log

LS SERIES HANDBOOK i

SAFETY AND REGULATORY NOTICES

General

Electrical The computer uses a safety ground and must be earthed.

The system unit AC power cord is its ‘disconnect device’. Ensure that the

system unit is positioned close to the AC power outlet and that the plug is

easily accessible.

The power cord packed with the computer complies with the safety

standards applicable in the country in which it is first sold. Use only this

power cord. Do not substitute a power cord from any other equipment.

To prevent fire and electric shock, do not expose any part of the computer

to rain or moisture. Turn off the computer and unplug all power cords

before moving or cleaning the system unit, or removing the system unit top

cover.

Battery

This product contains a lithium battery.

Do not use a metal or other conductive implement to remove the battery. If

a short-circuit is made between its positive and negative terminals the

battery may explode.

Replace a discharged battery with one of the same type; another type may

explode or ignite. Follow the instructions contained in the Owner’s

Handbook to replace the battery. Dispose of a discharged battery promptly

and in accordance with the battery manufacturer’s recommended

instructions. Do not recharge, disassemble or incinerate the discharged

battery. Keep away from children.

Laser products

Any CD-ROM drive fitted in this system is classified as a CLASS 1 LASER

PRODUCT according to IEC825 Radiation Safety of Laser Products

(Equipment Classification: Requirements and User's Guide). The CLASS 1

LASER PRODUCT label is located on the underside of the system unit.

The CD-ROM drive contains a laser system which is harmful to the eyes if

exposed. Do not attempt to disassemble the CD-ROM drive; if a fault

occurs, call an authorised maintainer.

Use the CD-ROM drive only as described in this manual. Failure to do so

may result in exposure to hazardous radiation.

SAFETY & REGULATORY NOTICES

ii LS SERIES HANDBOOK

Ergonomic

When positioning the system unit, monitor and keyboard, take into

account any local or national regulations relating to ergonomic

requirements.

Anti-static precautions

WARNING

Static electricity can cause permanent damage to electronic components.

You should be aware of this risk, and take precautions against the discharge

of static electricity into the computer.

The computer is at risk from static discharge while the top cover is off. This

is because the electronic components of the motherboard are exposed.

Memory modules, expansion cards and replacement processors are

examples of electrostatic sensitive devices (ESSDs).

All work that involves removing the cover must be done in an area

completely free of static electricity. We recommend using a Special

Handling Area (SHA) as defined by EN 100015-1: 1992. This means that

working surfaces, floor coverings and chairs must be connected to a

common earth reference point, and you should wear an earthed wrist strap

and anti-static clothing. It is also a good idea to use an ionizer or humidifier

to remove static from the air.

When installing any upgrade, be sure you understand what the installation

procedure involves before you start. This will enable you to plan your work,

and so minimise the amount of time that sensitive components are exposed.

Do not remove the system unit cover, nor the anti-static bag or wrapping of

any upgrade, until you need to.

Handle static-sensitive items with extreme care. Hold expansion cards and

add-on components only by their edges, avoiding their electrical contacts.

Never touch the components or electrical contacts on the motherboard or

on expansion cards. In general, do not handle static-sensitive items

unnecessarily.

Keep all conductive material, and food and drink, away from your work

area and the open computer.

Thermalcote bonding compound

The thermal bonding compound used between the system processor and its

heat sink can cause skin irritation and stain clothing. Avoid prolonged or

repeated contact with skin. Wash thoroughly with soap and water after

handling. Avoid contact with eyes and inhalation of fumes. Do not ingest.

SAFETY & REGULATORY NOTICES

LS SERIES HANDBOOK iii

Maintenance

Switch off and disconnect all cables before attempting to clean the

computer.

Do not use sprays, solvents or abrasives that might damage the system unit

surface. Do not use cleaning fluids or sprays near air vents, ports, or the

diskette and CD-ROM drives.

Occasionally wipe the system unit with a soft, slightly damp, lint-free cloth.

Occasionally wipe over the air vents on the rear and sides of the system unit.

Dust and fluff can block the vents and limit the airflow.

Occasionally clean the diskette and CD-ROM drives using a proprietary

head cleaner.

Occasionally wipe the monitor with a soft, slightly damp, lint-free cloth. It

is best to use anti-static glass cleaner on the monitor screen, but do not

spray glass cleaner directly onto the screen; it could run down inside the

case and damage the circuitry.

Transporting

Use common sense when handling the computer; hard disks in particular

can be damaged if the computer is dropped or handled roughly. As a

precaution, back up the contents of the hard disks to tape or diskettes

before moving the computer.

Switch off and disconnect all cables before attempting to move the

computer, particularly do not try to move the computer while it is plugged

into the AC power supply.

When lifting and carrying the computer, use the metal sides of the system

unit and never attempt to lift the system unit with a monitor still on top.

If you need to transport the computer any great distance, use the original

packing materials.

If you are planning to use the computer in another country, it may not be

suitable, check with your supplier, particularly on the availability of the

correct AC power cords.

NOTE

Any existing maintenance or warranty agreement may not be supportable in

another country. The system may have to be returned to the supplier.

SAFETY & REGULATORY NOTICES

iv LS SERIES HANDBOOK

Standards

Safety

This product complies with the International safety standard IEC950 and

the European safety standard EN60950 which will, when applicable,

include the national deviations for the country in which it is sold.

Electro-magnetic Compatibility (EMC)

This product complies with the following European EMC standards:

Emissions EN50022 Class B

Immunity EN50082-1

This product also complies with the following International EMC

standards:

VCCI Class A (Japan)

Notes

All interconnecting cables (for example, signal and communication cables)

should be less than 2 metres in length. If cable extensions are used, ensure

adequate earth connections are provided and screened cables are used.

If any metal casework components are removed, during upgrade work for

example, ensure that all metal parts are correctly re-assembled and all

internal and external screws are re-fitted and correctly tightened.

Legalities

This equipment complies with the relevant clauses of the following

European Directives (and all subsequent amendments):

Low Voltage Directive 73/23/EEC

EMC Directive 89/336/EEC

Telecommunications Directive 91/263/EEC

CE Marking Directive 93/68/EEC

IMPORTANT

This system (when sold) complies with the CE Marking Directive and its

strict legal requirements. Use only parts tested and approved by Mitsubishi

Electric PC Division. Failure to do so may result in invalidating both the

compliance and your warranty. All expansion cards, drives and peripherals

must carry the CE mark.

SAFETY & REGULATORY NOTICES

LS SERIES HANDBOOK v

Power Connection

Typical AC plugs

250V

125V

250V

BS1363A SHUCO NEMA 5-15P SRAF 1962/DB16/87 ASE 1011

U. K. Austria Belgium Taiwan Denmark Switzerland

Finland France Thailand

Italy Germany Japan

Sweden Norway USA

Holland Canada

Checking the AC power supply

When this product is delivered, it is ready for the commercial AC power

supply generally available in the country in which it is first sold. It has been

set for the correct voltage range, and is supplied with an AC power cord and

plug which comply with the relevant safety standards.

Before using the product in a country other than that in which it was

originally sold, you must check the voltage and frequency of that country’s

AC power supply, and the type of power cord required there. Check the

power rating labels on the rear of the computer’s system unit and its

monitor to ensure that they are compatible with the AC power supply.

The computer can function within two alternative AC power supply ranges,

according to the position of the voltage selection switch on the rear of the

system unit:

Switch setting AC power supply (voltage and frequency)

115 100 - 120 volt AC, 50 - 60 Hz

230 200 - 240 volt AC, 50 - 60 Hz

The voltage setting of the monitor must always be the same as the voltage

setting of the system unit. See the User’s Guide that accompanies the monitor

or consult your supplier to find out how to change the voltage setting.

CAUTION

It is imperative that the computer is set to the correct voltage range before use.

If not, the machine may be irreparably damaged.

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