Acer M3A Manuale utente

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User’s Guide

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this publication may be reproduced, transmitted, transcribed, stored in

a retrieval system, or translated into any language or computer

language, in any form or by any means, electronic, mechanical,

magnetic, optical, chemical, manual or otherwise, without the prior

written permission of this company.

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This company makes no representations or warranties, either

expressed or implied, with respect to the contents hereof and

specifically disclaims any warranties, merchantability or fitness for

any particular purpose. Any software described in this manual is sold

or licensed "as is". Should the programs prove defective following

their purchase, the buyer (and not this company, its distributor, or its

dealer) assumes the entire cost of all necessary servicing, repair, and

any incidental or consequential damages resulting from any defect in

the software. Further, this company reserves the right to revise this

publication and to make changes from time to time in the contents

hereof without obligation to notify any person of such revision or

changes.

Intel and Pentium are registered trademarks, and P54C is a trademark of Intel Corporation.

IBM is a registered trademark and PS/2 is a trademark of International Business Machines

Corporation.

MS-DOS is a registered trademark of Microsoft Corporation.

Other brand and product names are trademarks and/or registered trademarks of their

respective holders.

iii

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1. Read these instructions carefully. Save these instructions for

future reference.

2. Follow all warnings and instructions marked on the product.

3. Unplug this product from the wall outlet before cleaning. Do not

use liquid cleaners or aerosol cleaners. Use a damp cloth for

cleaning.

4. Do not use this product near water.

5. Do not place this product on an unstable cart, stand, or table.

The product may fall, causing serious damage to the product.

6. Slots and openings in the cabinet and the back or bottom are

provided for ventilation; to ensure reliable operation of the

product and to protect it from overheating, these openings must

not be blocked or covered. The openings should never be

blocked by placing the product on a bed, sofa, rug, or other

similar surface. This product should never be placed near or

over a radiator or heat register, or in a built-in installation unless

proper ventilation is provided.

7. This product should be operated from the type of power indicated

on the marking label. If you are not sure of the type of power

available, consult your dealer or local power company.

8. This product is equipped with a 3-wire grounding-type plug, a

plug having a third (grounding) pin. This plug will only fit into a

grounding-type power outlet. This is a safety feature. If you are

unable to insert the plug into the outlet, contact your electrician

to replace your obsolete outlet. Do not defeat the purpose of the

grounding-type plug.

9. Do not allow anything to rest on the power cord. Do not locate

this product where persons will walk on the cord.

10. If an extension cord is used with this product, make sure that the

total ampere rating of the equipment plugged into the extension

cord does not exceed the extension cord ampere rating. Also,

make sure that the total rating of all products plugged into the

wall outlet does not exceed 15 amperes.

11. Never push objects of any kind into this product through cabinet

slots as they may touch dangerous voltage points or short out

parts that could result in a fire or electric shock. Never spill

liquid of any kind on the product.

12. Do not attempt to service this product yourself, as opening or

removing covers may expose you to dangerous voltage points or

other risks. Refer all servicing to qualified service personnel.

13. Unplug this product from the wall outlet and refer servicing to

qualified service personnel under the following conditions:

a. When the power cord or plug is damaged or frayed

b. If liquid has been spilled into the product

c. If the product has been exposed to rain or water

d. If the product does not operate normally when the operating

instructions are followed. Adjust only those controls that are

covered by the operating instructions since improper

adjustment of other controls may result in damage and will

often require extensive work by a qualified technician to

restore the product to normal condition.

e. If the product has been dropped or the cabinet has been

damaged

f. If the product exhibits a distinct change in performance,

indicating a need for service

14. Replace battery with the same type as the product's battery we

recommend. Use of another battery may present a risk of fire or

explosion. Refer battery replacement to a qualified serviceman.

15. Warning! Battery may explode if not handled properly. Do not

recharge, disassemble or dispose of in fire. Keep away from

children and dispose of used battery promptly.

16. Use only the proper type of power supply cord set (provided in

your keyboard/manual accessories box) for this unit. It should be

a detachable type: UL listed/CSA certified, type SVT/SJT, rated

6A 125V minimum, VDE approved or its equivalent. Maximum

length is 15 feet (4.6 meters).

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Note:

This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of FCC Rules. These

limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates,

uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

4. Consult the dealer or an experienced radio/television technician

for help.

Notice 1:

The changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate

the equipment.

Notice 2:

Shielded interface cables, if any, must be used in order to comply

with the emission limits.

vii

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Purpose

This user’s guide gives you all the information you need to operate

the system properly.

Manual Structure

This user’s guide consists of two chapters as follows:

Chapter 1 System Board

This chapter describes the system board and all its major

components. It contains the system board layout, jumper

settings, cache and memory configurations, and other internal

devices.

Chapter 2 BIOS Utility

This chapter explains the system BIOS and tells how to

configure the system by setting the BIOS parameters.

viii

Conventions

The following conventions are used in this manual:

Text entered by user Represents text input by the user.

Screen messages Denotes actual messages that

appear onscreen.

, , , etc. Represent the actual keys that you

have to press on the keyboard.

NOTE

Gives bits and pieces of additional

information related to the current

topic.

WARNING

Alerts you to any damage that

might result from doing or not

doing specific actions.

CAUTION

Suggests precautionary measures

to avoid potential hardware or

software problems.

IMPORTANT

Reminds you to take specific

action relevant to the

accomplishment of the procedure

at hand.

TIP

Tells how to accomplish a

procedure with minimum steps

through little shortcuts.

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Chapter 1 System Board

1.1 System Board Layout...............................................1-2

1.2 ESD Precautions......................................................1-4

1.3 Pre-installation Instructions......................................1-4

1.4 Installing a CPU.......................................................1-5

1.5 Upgrading the CPU..................................................1-6

1.6 Jumpers and Connectors .........................................1-7

1.6.1 Jumper and Connector Locations ..............1-7

1.6.2 Jumper Settings........................................1-8

1.6.3 Connector Functions..................................1-9

1.6.4 USB Interface (optional)..........................1-10

1.7 Installing Memory...................................................1-11

1.7.1 Installing a SIMM.....................................1-13

1.7.2 Removing a SIMM...................................1-14

1.7.3 Reconfiguring the System........................1-14

1.8 SCSI/ASM Card (optional) .....................................1-15

1.8.1 Features and Layout................................1-15

1.8.2 Jumper Settings......................................1-16

1.8.3 Installing the SCSI/ASM Card..................1-16

1.9 Post-installation Instructions...................................1-18

1.10 Error Messages......................................................1-18

1.10.1 Software Error Messages.........................1-18

1.10.2 System Error Messages...........................1-19

1.10.3 Correcting Error Conditions .....................1-21

Chapter 2 BIOS Utility

2.1 Entering Setup.........................................................2-2

2.2 Basic System Configuration.....................................2-3

2.2.1 Date and Time ..........................................2-5

2.2.2 Diskette Drives..........................................2-6

2.2.3 IDE Drives.................................................2-6

2.2.4 System Memory......................................2-13

2.2.5 Math Coprocessor...................................2-13

2.2.6 Video Display..........................................2-13

2.2.7 Communication Settings .........................2-14

2.2.8 Enhanced IDE Features ..........................2-14

2.2.9 Large Memory Support Mode..................2-15

2.2.10 Num Lock After Boot...............................2-15

2.2.11 Memory Test...........................................2-16

2.2.12 Auto-configuration Mode .........................2-16

2.2.13 Fast Boot Mode.......................................2-16

2.3 Advanced System Configuration............................2-17

2.3.1 Shadow RAM ..........................................2-18

2.3.2 Internal Cache (CPU Cache)...................2-18

2.3.3 External Cache........................................2-18

2.3.4 E0000h - FFFFFh (System BIOS)...........2-18

2.3.5 C0000h - C7FFFh (Video BIOS)..............2-19

2.3.6 Memory at 15MB-16MB...........................2-19

2.3.7 ECC/Parity Mode Selection.....................2-19

2.4 PCI System Configuration......................................2-20

2.4.1 PCI IRQ Setting ......................................2-21

2.4.2 VGA Palette Snoop.................................2-22

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