Acer V50LA Manual de usuario
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User’s Guide
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Copyright 1995 by this company. All rights reserved. No part of
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 is a registered trademark of Intel Corporation.
Pentium and IntelDX4 are trademarks of Intel 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.
iv
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
v
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).
vi
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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 aims to give you all the necessary information to
enable you to operate the system properly.
Manual Structure
This user’s guide consists of two chapters.
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 information on
other internal devices.
Chapter 2 BIOS Utility
This chapter gives information about the system BIOS and tells
how to configure the system by changing the settings of the
BIOS parameters.
viii
Conventions
The following are the conventions used in this manual:
Text entered by user Represents text input by the user.
Screen messages Denotes actual messages that
appear on the screen.
D
,
H
,
V
, 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
Gives precautionary measures to
avoid possible hardware or
software problems.
IMPORTANT
Reminds you to do specific actions
relevant to the accomplishment of
procedures.
TIP
Tells how to accomplish a
procedure with minimum steps
through little shortcuts.
ix
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Chapter 1 System Board
1.1 Major Features ...........................................................1-2
1.1.1 Layout.........................................................................1-3
1.1.2 Slot Board...................................................................1-4
1.2 Jumpers and Connectors ...........................................1-5
1.2.1 Jumper and Connector Locations ...............1-5
1.2.2 Jumper Settings...........................................1-6
1.2.3 Connector Functions ...................................1-8
1.3 ESD Precautions ......................................................1-10
1.4 Memory Upgrade......................................................1-11
1.4.1 Installing a SIMM.......................................1-12
1.4.2 Removing a SIMM.....................................1-13
1.4.3 Reconfiguring the System .........................1-14
1.5 IDE Hard Disk Support.............................................1-14
1.6 CPU Installation........................................................1-15
1.7 Video Memory Upgrade............................................1-16
1.8 Audio Functions and Options....................................1-17
1.8.1 Audio-I/O Board Features..........................1-18
1.8.3 Audio-I/O Devices......................................1-20
1.9 Error Messages ........................................................1-21
1.9.1 Software Error Messages..........................1-21
1.9.2 System Error Messages............................1-21
1.9.3 Correcting Error Conditions.......................1-24
Chapter 2 BIOS Utility
x
2.1 Entering Setup ........................................................... 2-2
2.2 Basic System Configuration....................................... 2-3
2.2.1 Date and Time............................................ 2-4
2.2.2 Diskette Drives............................................ 2-5
2.2.3 IDE Drives................................................... 2-6
2.2.4 System Memory.......................................... 2-8
2.2.5 Math Coprocessor ...................................... 2-8
2.2.6 Video Display.............................................. 2-8
2.2.7 Communication Settings............................. 2-9
2.2.8 Enhanced IDE Features ............................. 2-9
2.2.9 Num Lock After Boot................................. 2-10
2.2.10 Memory Test............................................. 2-11
2.2.11 Auto Configuration Mode.......................... 2-11
2.2.12 Fast Boot Mode......................................... 2-11
2.3 Advanced System Configuration.............................. 2-12
2.3.1 Shadow RAM............................................ 2-13
2.3.2 Internal Cache (CPU Cache).................... 2-13
2.3.3 External Cache ......................................... 2-13
2.3.4 System Memory Parity.............................. 2-14
2.3.5 Memory at 15MB-16MB............................ 2-14
2.4 Power Saving Configuration..................................... 2-15
2.4.1 Power Management Mode........................ 2-16
2.4.2 Monitored Activities................................... 2-17
2.5 System Security Setup............................................. 2-18
2.5.1 Disk Drive Control..................................... 2-18
2.5.2 Onboard Communication Ports ................ 2-20
2.5.3 Onboard PS/2 Mouse (IRQ 12) ................ 2-22
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