Alienware Sentia m3450 Manuale utente
Alienware Sentia 3450 Technical Reference
1
Notice
The company reserves the right to revise this publication or to change its contents
without notice. Information contained herein is for reference only and does not
constitute a commitment on the part of the manufacturer or any subsequent vendor.
They assume no responsibility or liability for any errors or inaccuracies that may
appear in this publication nor are they in anyway responsible for any loss or damage
resulting from the use (or misuse) of this publication. This publication and any
accompanying software may not, in whole or in part, be reproduced, translated,
trans¬mitted or reduced to any machine readable form without prior consent from the
vendor, manufacturer or creators of this publication, except for copies kept by the user
for backup purposes. Brand and product names mentioned in this publication may or
may not be copyrights and/or registered trade¬marks of their respective companies.
They are mentioned for identification purposes only and are not intended as an
endorsement of that product or its manufacturer. ©May 2006
Trademarks
This product incorporates copyright protection technology that is protected by
method claims of certain U.S. pat¬ents and other intellectual property rights owned
by Macrovision Corporation and other rights owners. Use of this copyright protection
technology must be authorized by Macrovision Corporation, and is intended for
home or other limited viewing uses only unless otherwise authorized by Macrovision
Corporation. Reverse engineer¬ing or disassembly is prohibited. AMD Turion™ is a
trademark of Advanced Micro Devices, Inc.
is a trademark of SRS Labs, Inc. WOW technology is incorporated under license
from SRS Labs, Inc.
Alienware Sentia 3450 Technical Reference
2
Preface
FCC Statement (Federal Communications Commission)
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the 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 in¬stalled 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:
• Re orient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
• Consult the service representative or an experienced radio/TV technician for
help.
Use only shielded cables to connect I/O devices to this equipment. You are cautioned that changes or
modifications not expressly approved by the manufacturer for compliance with the above standards could void
your authority to operate the equipment.
Alienware Sentia 3450 Technical Reference
3
IMPORTANT SAFETY INSTRUCTIONS
Follow basic safety precautions, including those listed below, to reduce the risk of fire,
electric shock, and injury to persons when using any electrical equipment:
1. Do not use this product near water, for example near a bath tub, wash bowl,
kitchen sink or laundry tub, in a wet basement or near a swimming pool.
2. Avoid using this equipment with a telephone line (other than a cordless type)
during an electrical storm. There may be a remote risk of electrical shock from
lightning.
3. Do not use the telephone to report a gas leak in the vicinity of the leak.
4. Use only the power cord and batteries indicated in this manual. Do not
dispose of batteries in a fire. They may explode. Check with local codes for
possible special disposal instructions.
5. This product is intended to be supplied by a Listed Power Unit (DC Output
20V, 11A minimum).
CAUTION
Always disconnect all telephone lines from the wall outlet before servicing or
disassembling this equipment.
TO REDUCE THE RISK OF FIRE, USE ONLY NO. 26 AWG OR LARGER,
TELECOMMUNICATION LINE CORD
This Computer’s Optical Device is a Laser Class I Product
Alienware Sentia 3450 Technical Reference
4
Preface
Instructions for Care and Operation
The notebook computer is quite rugged, but it can be damaged. To prevent this, follow
these suggestions:
1. Don’t drop it, or expose it to shock. If the computer falls, the case and the
components could be damaged.
2. Keep it dry, and don’t overheat it. Keep the computer and power supply away
from any kind of heating ele¬ment. This is an electrical appliance. If water or
any other liquid gets into it, the computer could be badly damaged.
3. Avoid interference. Keep the computer away from high capacity transformers,
electric motors, and other strong magnetic fields. These can hinder proper
performance and damage your data.
4. Follow the proper working procedures for the computer. Shut the computer
down properly and don’t forget to save your work. Remember to periodically
save your data as data may be lost if the battery is depleted.
• Do not expose it to excessive heat or direct sunlight.
• Do not leave it in a place where foreign matter or moisture may affect the
system.
• Don’t use or store the computer in a humid environment.
• Do not place the computer on any surface that will block the vents.
• Do not turn off the power until you properly shut down all programs.
• Do not turn off any peripheral devices when the computer is on.
• Do not disassemble the computer by yourself.
• Perform routine maintenance on your computer.
5. Take care when using peripheral devices.
• Use only approved brands of peripherals.
• Unplug the power cord before attaching peripheral devices.
Alienware Sentia 3450 Technical Reference
5
Power Safety
The computer has specific power requirements:
• Only use a power adapter approved for use with this computer.
• Your AC/DC adapter may be designed for international travel but it still
requires a steady, uninterrupted power supply. If you are unsure of your
local power specifications, consult your service representative or local
power company.
• The power adapter may have either a 2-prong or a 3-prong grounded plug. The
third prong is an important safety feature; do not defeat its purpose. If you do
not have access to a compatible outlet, have a qualified electrician
install one.
• When you want to unplug the power cord, be sure to disconnect it by the plug
head, not by its wire.
• Make sure the socket and any extension cord(s) you use can support the total
current load of all the connected devices.
• Before cleaning the computer, make sure it is disconnected from any external
power sup¬plies (i.e. AC/DC adapter or car adapter).
• Do not plug in the power cord if you are wet.
• Do not use the power cord if it is broken.
• Do not place heavy objects on the power cord.
Power Safety Warning
Before you undertake any upgrade procedures, make sure that you have turned off
the power, and disconnected all peripherals and cables (including telephone lines).
It is advisable to also remove you battery in order to prevent accidentally turning the
machine on.
Alienware Sentia 3450 Technical Reference
6
Battery Precautions
• Only use batteries designed for this computer. The wrong battery type may
explode, leak or damage the computer.
• Do not continue to use a battery that has been dropped, or that appears
damaged (e.g. bent or twisted) in any way. Even if the computer continues to
work with a damaged battery in place, it may cause circuit damage, which
may possibly result in fire.
• Recharge the batteries using the notebook’s system. Incorrect recharging may
make the battery explode.
• Do not try to repair a battery pack. Refer any battery pack repair or
replacement to your service representative or qual¬ified service personnel.
• Keep children away from, and promptly dispose of a damaged battery. Always
dispose of batteries carefully. Batteries may explode or leak if exposed to fire,
or improperly handled or discarded.
• Keep the battery away from metal appliances.
• Affix tape to the battery contacts before disposing of the battery.
• Do not touch the battery contacts with your hands or metal objects.
Battery Disposal & Caution
The product that you have purchased contains a rechargeable battery. The battery is
recyclable. At the end of its useful life, under various state and local laws, it may be
illegal to dispose of this battery into the municipal waste stream. Check with your local
solid waste officials for details in your areafor recycling options or proper disposal.
Danger of explosion if battery is incorrectly replaced. Replace only with the same or
equivalent type recommended by the manufacturer. Discard used battery according to
the manufacturer’s instructions.
Alienware Sentia 3450 Technical Reference
7
Cleaning
Do not apply cleaner directly to the computer; use a soft clean cloth.
Do not use volatile (petroleum distillates) or abrasive cleaners on any part
of the computer.
Servicing
Do not attempt to service the computer yourself. Doing so may violate your warranty
and expose you and the computer to electric shock. Refer all servicing to authorized
service personnel. Unplug the computer from the power supply. Then refer servicing to
qualified service personnel under any of the following conditions:
• When the power cord or AC/DC adapter is damaged or frayed.
• If the computer has been exposed to rain or other liquids.
• If the computer does not work normally when you follow the operating instructions.
• If the computer has been dropped or damaged (do not touch the poisonous
liquid if the LCD panel breaks).
• If there is an unusual odor, heat or smoke coming from your computer.
Removal Warning
When removing any cover(s) and screw(s) for the purposes of device upgrade,
remember to replace the cover(s) and screw(s) before turning the computer on.
Alienware Sentia 3450 Technical Reference
8
Travel Considerations
Packing
As you get ready for your trip, run through this list to make sure the system is ready to go:
1. Check that the battery pack and any spares are fully charged.
2. Power off the computer and peripherals.
3. Close the display panel and make sure it’s latched.
4. Disconnect the AC/DC adapter and cables. Stow them in the carrying bag.
5. The AC/DC adapter uses voltages from 100 to 240 volts so you won’t need
a second voltage adapter. However, check with your travel agent to see if you
need any socket adapters.
6. Put the notebook in its carrying bag and secure it with the bag’s straps.
7. If you’re taking any peripherals (e.g. a printer, mouse or digital camera), pack
them and those devices’ adapters and/or cables.
8. Anticipate customs - Some jurisdictions may have import restrictions or
require proof of ownership for both hard¬ware and software. Make sure your
documents are prepared.
Power Off Before Traveling
Make sure that your notebook is completely powered off before putting it into a
travel bag (or any other such container). Putting a notebook which is powered on
in a travel bag may cause the Vents/Fan Intakes to be blocked. To prevent your
computer from overheating make sure nothing blocks the Vent/Fan Intakes while the
computer is in use.
Alienware Sentia 3450 Technical Reference
9
On the Road
In addition to the general safety and maintenance suggestions in this preface, and
Chapter 8: Troubleshooting, keep these points in mind:
Hand-carry the notebook - For security, don’t let it out of your sight. In some
areas, computer theft is very common. Don’t check it with normal luggage.
Baggage handlers may not be sufficiently careful. Avoid knock¬ing the computer
against hard objects.
Beware of Electromagnetic fields - Devices such as metal detectors & X-ray
machines can damage the com¬puter, hard disk, floppy disks, and other media.
They may also destroy any stored data - Pass your computer and disks around
the devices. Ask security officials to hand-inspect them (you may be asked to
turn it on). Note: Some airports also scan luggage with these devices.
Fly safely - Most airlines have regulations about the use of computers and other
electronic devices in flight. These restrictions are for your safety, follow them.
If you stow the notebook in an overhead compartment, make sure it’s secure.
Contents may shift and/or fall out when the compartment is opened.
Get power where you can - If an electrical outlet is available, use the AC/DC
adapter and keep your battery(ies) charged.
Keep it dry - If you move quickly from a cold to a warm location, water vapor can
condense inside the computer. Wait a few minutes before turning it on so that
any moisture can evaporate.
Alienware Sentia 3450 Technical Reference
10
Developing Good Work Habits
Developing good work habits is important if you need to work in front of the computer
for long periods of time. Improper work habits can result in discomfort or serious injury
from repetitive strain to your hands, wrists or other joints. The following are some tips
to reduce the strain:
• Adjust the height of the chair and/or desk so that the keyboard is at or
slightly below the level of your elbow. Keep your forearms, wrists, and hands
in a relaxed position.
• Your knees should be slightly higher than your hips. Place your feet flat on the
floor or on a footrest if necessary.
• Use a chair with a back and adjust it to support your lower back comfortably.
• Sit straight so that your knees, hips and elbows form approximately
90-degree angles when you are working.
• Take periodic breaks if you are using the computer for long periods of time.
Remember to:
• Alter your posture frequently.
• Stretch and exercise your body several times a day.
• Take periodic breaks when you work at the computer for long
periods of time. Frequent and short breaks are better than fewer
and longer breaks.
Lighting
Proper lighting and comfortable display viewing angle can reduce eye strain and
muscle fatigue in your neck and shoulders.
• Position the display to avoid glare or reflections from overhead lighting or
outside sources of light.
• Keep the display screen clean and set the brightness and contrast to levels
that allow you to see the screen clearly.
• Position the display directly in front of you at a comfortable viewing distance.
• Adjust the display-viewing angle to find the best position.
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