IBM 8185 - ThinkCentre M50 - 256 MB RAM Manual de usuario

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ThinkCentre

™

User

Guide

Ty pe s

8128,

8185,

8186,

8187,

8188

Ty pe s

8189,

8190,

8192,

8193,

8194

Ty pe s

8195,

8196,

8197,

8413,

8414

Ty pe s

8415,

8430,

8431,

8432,

8433



ThinkCentre

™

User

Guide

Ty pe s

8128,

8185,

8186,

8187,

8188

Ty pe s

8189,

8190,

8192,

8193,

8194

Ty pe s

8195,

8196,

8197,

8413,

8414

Ty pe s

8415,

8430,

8431,

8432,

8433



Note

Before

using

this

information

and

the

product

it

supports,

be

sure

to

read

the

“Important

safety

information”

on

page

v

and

Appendix

E,

“Notices,”

on

page

117.

Fourth

Edition

(August

2004)

©

Copyright

International

Business

Machines

Corporation

2004.

All

rights

reserved.

US

Government

Users

Restricted

Rights

–

Use,

duplication

or

disclosure

restricted

by

GSA

ADP

Schedule

Contract

with

IBM

Corp.

Contents

Important

safety

information

.

.

.

.

.

.v

Conditions

that

require

immediate

action

.

.

.

.

.v

General

safety

guidelines

.

.

.

.

.

.

.

.

.

.vi

Service

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.vi

Power

cords

and

power

adapters

.

.

.

.

.

.vi

Extension

cords

and

related

devices

.

.

.

.

. vii

Plugs

and

outlets

.

.

.

.

.

.

.

.

.

.

. vii

Batteries

.

.

.

.

.

.

.

.

.

.

.

.

.

. vii

Heat

and

product

ventilation

.

.

.

.

.

.

. viii

CD

and

DVD

drive

safety

.

.

.

.

.

.

.

. viii

Additional

safety

information

.

.

.

.

.

.

.

.ix

Lithium

battery

notice

.

.

.

.

.

.

.

.

.

.

.x

Modem

safety

information

.

.

.

.

.

.

.

.

.

.x

Laser

compliance

statement

.

.

.

.

.

.

.

.

.xi

Overview

.

.

.

.

.

.

.

.

.

.

.

.

. xiii

Information

resources

.

.

.

.

.

.

.

.

.

.

. xiii

Identifying

your

computer

.

.

.

.

.

.

.

.

. xiv

Chapter

1.

Types

8185,

8186,

8192,

8413,

and

8430

.

.

.

.

.

.

.

.

.

.

.

.

.

.1

Features

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.1

Specifications

.

.

.

.

.

.

.

.

.

.

.

.

.

.4

Available

options

.

.

.

.

.

.

.

.

.

.

.

.

.5

Tools

required

.

.

.

.

.

.

.

.

.

.

.

.

.

.5

Handling

static-sensitive

devices

.

.

.

.

.

.

.

.5

Installing

external

options

.

.

.

.

.

.

.

.

.

.6

Locating

the

connectors

on

the

front

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.6

Locating

the

connectors

on

the

rear

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.7

Obtaining

device

drivers

.

.

.

.

.

.

.

.

.8

Removing

the

cover

.

.

.

.

.

.

.

.

.

.

.

.9

Locating

components

.

.

.

.

.

.

.

.

.

.

.10

Identifying

parts

on

the

system

board

.

.

.

.

.10

Installing

memory

.

.

.

.

.

.

.

.

.

.

.

.11

Installing

adapters

.

.

.

.

.

.

.

.

.

.

.

.12

Installing

internal

drives

.

.

.

.

.

.

.

.

.

.14

Drive

specifications

.

.

.

.

.

.

.

.

.

.

.14

Installing

a

CD-ROM

or

DVD-ROM

drive

.

.

.15

Installing

security

features

.

.

.

.

.

.

.

.

.17

Identifying

security

locks

.

.

.

.

.

.

.

.

.17

Rope

clip

.

.

.

.

.

.

.

.

.

.

.

.

.

.18

Integrated

cable

lock

.

.

.

.

.

.

.

.

.

.19

Password

protection

.

.

.

.

.

.

.

.

.

.19

Changing

the

battery

.

.

.

.

.

.

.

.

.

.

.19

Erasing

a

lost

or

forgotten

password

(clearing

CMOS)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.20

Replacing

the

cover

and

connecting

the

cables

.

.

.21

Chapter

2.

Types

8128,

8187,

8188,

8193,

8414,

and

8431

.

.

.

.

.

.

.

.

.23

Features

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.23

Specifications

.

.

.

.

.

.

.

.

.

.

.

.

.

.26

Available

options

.

.

.

.

.

.

.

.

.

.

.

.27

Tools

required

.

.

.

.

.

.

.

.

.

.

.

.

.27

Handling

static-sensitive

devices

.

.

.

.

.

.

.27

Installing

external

options

.

.

.

.

.

.

.

.

.28

Locating

the

connectors

on

the

front

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.28

Locating

the

connectors

on

the

rear

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.29

Obtaining

device

drivers

.

.

.

.

.

.

.

.

.30

Removing

the

cover

.

.

.

.

.

.

.

.

.

.

.31

Locating

components

.

.

.

.

.

.

.

.

.

.

.32

Identifying

parts

on

the

system

board

.

.

.

.

.32

Installing

memory

.

.

.

.

.

.

.

.

.

.

.

.33

Installing

adapters

.

.

.

.

.

.

.

.

.

.

.

.34

Installing

internal

drives

.

.

.

.

.

.

.

.

.

.36

Drive

specifications

.

.

.

.

.

.

.

.

.

.

.36

Installing

a

drive

.

.

.

.

.

.

.

.

.

.

.37

Installing

security

features

.

.

.

.

.

.

.

.

.40

Identifying

security

locks

.

.

.

.

.

.

.

.

.41

Rope

clip

.

.

.

.

.

.

.

.

.

.

.

.

.

.41

Integrated

cable

lock

.

.

.

.

.

.

.

.

.

.43

Password

protection

.

.

.

.

.

.

.

.

.

.43

Changing

the

battery

.

.

.

.

.

.

.

.

.

.

.43

Erasing

a

lost

or

forgotten

password

(clearing

CMOS)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.44

Replacing

the

cover

and

connecting

the

cables

.

.

.45

Chapter

3.

Types

8196

and

8197

.

.

.

.47

Features

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.47

Specifications

.

.

.

.

.

.

.

.

.

.

.

.

.

.50

Available

options

.

.

.

.

.

.

.

.

.

.

.

.51

Tools

required

.

.

.

.

.

.

.

.

.

.

.

.

.51

Handling

static-sensitive

devices

.

.

.

.

.

.

.51

Installing

external

options

.

.

.

.

.

.

.

.

.52

Locating

the

connectors

on

the

front

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.53

Locating

the

connectors

on

the

rear

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.54

Obtaining

device

drivers

.

.

.

.

.

.

.

.

.55

Removing

the

cover

.

.

.

.

.

.

.

.

.

.

.56

Locating

components

.

.

.

.

.

.

.

.

.

.

.57

Identifying

parts

on

the

system

board

.

.

.

.

.57

Installing

memory

.

.

.

.

.

.

.

.

.

.

.

.58

Installing

adapters

.

.

.

.

.

.

.

.

.

.

.

.60

Installing

internal

drives

.

.

.

.

.

.

.

.

.

.61

Drive

specifications

.

.

.

.

.

.

.

.

.

.

.62

Installing

a

drive

.

.

.

.

.

.

.

.

.

.

.62

Installing

security

features

.

.

.

.

.

.

.

.

.65

Identifying

security

locks

.

.

.

.

.

.

.

.

.66

Rope

clip

.

.

.

.

.

.

.

.

.

.

.

.

.

.66

Integrated

cable

lock

.

.

.

.

.

.

.

.

.

.68

Password

protection

.

.

.

.

.

.

.

.

.

.68

Changing

the

battery

.

.

.

.

.

.

.

.

.

.

.68

Erasing

a

lost

or

forgotten

password

(clearing

CMOS)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.69

©

Copyright

IBM

Corp.

2004

iii

Replacing

the

cover

and

connecting

the

cables

.

.

.70

Chapter

4.

Types

8189,

8190,

8194,

8195,

8415,

8432,

and

8433

.

.

.

.

.

.73

Features

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.73

Specifications

.

.

.

.

.

.

.

.

.

.

.

.

.

.76

Available

options

.

.

.

.

.

.

.

.

.

.

.

.77

Tools

required

.

.

.

.

.

.

.

.

.

.

.

.

.77

Handling

static-sensitive

devices

.

.

.

.

.

.

.77

Installing

external

options

.

.

.

.

.

.

.

.

.78

Locating

the

connectors

on

the

front

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.79

Locating

the

connectors

on

the

rear

of

your

computer

.

.

.

.

.

.

.

.

.

.

.

.

.

.80

Obtaining

device

drivers

.

.

.

.

.

.

.

.

.81

Removing

the

cover

.

.

.

.

.

.

.

.

.

.

.82

Locating

components

.

.

.

.

.

.

.

.

.

.

.83

Identifying

parts

on

the

system

board

.

.

.

.

.83

Installing

memory

.

.

.

.

.

.

.

.

.

.

.

.84

Installing

adapters

.

.

.

.

.

.

.

.

.

.

.

.85

Installing

internal

drives

.

.

.

.

.

.

.

.

.

.87

Drive

specifications

.

.

.

.

.

.

.

.

.

.

.87

Installing

a

drive

.

.

.

.

.

.

.

.

.

.

.88

Installing

security

features

.

.

.

.

.

.

.

.

.91

Identifying

security

locks

.

.

.

.

.

.

.

.

.92

Rope

clip

.

.

.

.

.

.

.

.

.

.

.

.

.

.92

Integrated

cable

lock

.

.

.

.

.

.

.

.

.

.94

Password

protection

.

.

.

.

.

.

.

.

.

.94

Changing

the

battery

.

.

.

.

.

.

.

.

.

.

.94

Erasing

a

lost

or

forgotten

password

(clearing

CMOS)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.95

Replacing

the

cover

and

connecting

the

cables

.

.

.96

Chapter

5.

Using

the

IBM

Setup

Utility

program

.

.

.

.

.

.

.

.

.

.

.

.

.

.99

Starting

the

IBM

Setup

Utility

program

.

.

.

.

.99

Viewing

and

changing

settings

.

.

.

.

.

.

.

.99

Exiting

from

the

IBM

Setup

Utility

program

.

.

.99

Using

passwords

.

.

.

.

.

.

.

.

.

.

.

.99

User

password

.

.

.

.

.

.

.

.

.

.

.

. 100

Administrator

password

.

.

.

.

.

.

.

.

. 100

Setting,

changing,

and

deleting

a

password

.

. 100

Using

Security

Profile

by

Device

.

.

.

.

.

.

. 100

Using

IDE

Drives

Setup

.

.

.

.

.

.

.

.

.

. 101

Selecting

a

startup

device

.

.

.

.

.

.

.

.

. 101

Selecting

a

temporary

startup

device

.

.

.

. 101

Changing

the

startup

sequence

.

.

.

.

.

. 101

Advanced

settings

.

.

.

.

.

.

.

.

.

.

.

. 102

Appendix

A.

Updating

system

programs

.

.

.

.

.

.

.

.

.

.

.

.

. 103

System

programs

.

.

.

.

.

.

.

.

.

.

.

. 103

Updating

(flashing)

BIOS

from

a

diskette

.

.

. 103

Updating

(flashing)

BIOS

from

your

operating

system

.

.

.

.

.

.

.

.

.

.

.

.

.

. 103

Recovering

from

a

POST/BIOS

update

failure

.

. 104

Appendix

B.

Cleaning

the

mouse

.

.

. 105

Cleaning

an

optical

mouse

.

.

.

.

.

.

.

.

. 105

Cleaning

a

mouse

with

a

ball

.

.

.

.

.

.

.

. 105

Appendix

C.

Manual

modem

commands

.

.

.

.

.

.

.

.

.

.

.

. 107

Basic

AT

commands

.

.

.

.

.

.

.

.

.

.

. 107

Extended

AT

commands

.

.

.

.

.

.

.

.

.

. 109

MNP/V.42/V.42bis/V.44

commands

.

.

.

.

.

.110

Fax

Class

1

commands

.

.

.

.

.

.

.

.

.

. 111

Fax

Class

2

commands

.

.

.

.

.

.

.

.

.

. 111

Voice

commands

.

.

.

.

.

.

.

.

.

.

.

.112

Appendix

D.

Customer

replaceable

unit

(CRU)

parts

list

.

.

.

.

.

.

.

.

.115

Appendix

E.

Notices

.

.

.

.

.

.

.

.117

Television

output

notice

.

.

.

.

.

.

.

.

.

.118

Trademarks

.

.

.

.

.

.

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Index

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.119

iv

User

Guide

Important

safety

information

This

information

can

help

you

safely

use

your

IBM

®

personal

computer.

Follow

and

retain

all

information

included

with

your

IBM

computer.

The

information

in

this

document

does

not

alter

the

terms

of

your

purchase

agreement

or

the

IBM

Statement

of

Limited

Warranty.

Customer

safety

is

important

to

IBM.

Our

products

are

developed

to

be

safe

and

effective.

However,

personal

computers

are

electronic

devices.

Power

cords,

power

adapters,

and

other

features

can

create

potential

safety

risks

that

can

result

in

physical

injury

or

property

damage,

especially

if

misused.

To

reduce

these

risks,

follow

the

instructions

included

with

your

product,

observe

all

warnings

on

the

product

and

in

the

operating

instructions,

and

review

the

information

included

in

this

document

carefully.

By

carefully

following

the

information

contained

in

this

document

and

provided

with

your

product,

you

can

help

protect

yourself

from

hazards

and

create

a

safer

computer

work

environment.

Note:

This

information

includes

references

to

power

adapters

and

batteries.

In

addition

to

mobile

personal

computers,

IBM

ships

some

products

(such

as

speakers

or

monitors)

with

external

power

adapters.

If

you

have

such

a

product,

this

information

applies

to

your

product.

In

addition,

your

computer

product

may

contain

a

coin-sized

internal

battery

that

provides

power

to

your

system

clock

even

when

the

machine

is

unplugged,

so

the

battery

safety

information

applies

to

all

computers.

Conditions

that

require

immediate

action

Products

can

become

damaged

due

to

misuse

or

neglect.

Some

product

damage

is

serious

enough

that

the

product

should

not

be

used

again

until

it

has

been

inspected

and,

if

necessary,

repaired

by

an

authorized

servicer.

As

with

any

electronic

device,

pay

close

attention

to

the

product

when

it

is

turned

on.

On

very

rare

occasions,

you

might

notice

an

odor

or

see

a

puff

of

smoke

or

sparks

vent

from

your

machine.

Or

you

might

hear

sounds

like

popping,

cracking

or

hissing.

These

conditions

might

merely

mean

that

an

internal

electronic

component

has

failed

in

a

safe

and

controlled

manner.

Or,

they

might

indicate

a

potential

safety

issue.

However,

do

not

take

risks

or

attempt

to

diagnose

the

situation

yourself.

Frequently

inspect

your

computer

and

its

components

for

damage

or

wear

or

signs

of

danger.

If

you

have

any

question

about

the

condition

of

a

component,

do

not

use

the

product.

Contact

the

IBM

HelpCenter

®

or

the

product

manufacturer

for

instructions

on

how

to

inspect

the

product

and

have

it

repaired,

if

necessary.

In

the

unlikely

event

that

you

notice

any

of

the

conditions

listed

below,

or

if

you

have

any

safety

concerns

with

your

product,

stop

using

the

product

and

unplug

it

from

the

power

source

and

telecommunication

lines

until

you

can

speak

to

the

IBM

HelpCenter

for

further

guidance.

v

Power

cords,

plugs,

power

adapters,

extension

cords,

surge

protectors,

or

power

supplies

that

are

cracked,

broken

or

damaged.

v

Signs

of

overheating,

smoke,

sparks

or

fire.

©

Copyright

IBM

Corp.

2004

v

v

Damage

to

a

battery

(such

as

cracks,

dents,

creases),

discharge

from

a

battery,

or

a

buildup

of

foreign

substances

on

the

battery.

v

A

cracking,

hissing

or

popping

sound,

or

strong

odor

that

comes

from

the

product.

v

Signs

that

liquid

has

been

spilled

or

an

object

has

fallen

onto

the

computer

product,

the

power

cord

or

power

adapter.

v

The

computer

product,

the

power

cord

or

power

adapter

has

been

exposed

to

water.

v

The

product

has

been

dropped

or

damaged

in

any

way.

v

The

product

does

not

operate

normally

when

you

follow

the

operating

instructions.

Note:

If

you

notice

these

conditions

with

a

non-IBM

product

(such

as

an

extension

cord),

stop

using

that

product

until

you

can

contact

the

product

manufacturer

for

further

instructions,

or

until

you

get

a

suitable

replacement.

General

safety

guidelines

Always

observe

the

following

precautions

to

reduce

the

risk

of

injury

and

property

damage.

Service

Do

not

attempt

to

service

a

product

yourself

unless

instructed

to

do

so

by

the

IBM

HelpCenter.

Use

only

an

IBM

authorized

service

provider

who

is

approved

to

repair

your

particular

product.

Note:

Some

parts

can

be

upgraded

or

replaced

by

the

customer.

These

parts

are

referred

to

as

Customer

Replaceable

Units,

or

CRUs.

IBM

expressly

identifies

CRUs

as

such,

and

provides

documentation

with

instructions

when

it

is

appropriate

for

customers

to

replace

those

parts.

You

must

closely

follow

all

instructions

when

performing

such

replacements.

Always

make

sure

that

the

power

is

turned

off

and

that

the

product

is

unplugged

from

any

power

source

before

you

attempt

the

replacement.

If

you

have

any

questions

or

concerns,

contact

the

IBM

HelpCenter.

Power

cords

and

power

adapters

Use

only

the

power

cords

and

power

adapters

supplied

by

the

product

manufacturer.

Never

wrap

a

power

cord

around

the

power

adapter

or

other

object.

Doing

so

can

stress

the

cord

in

ways

that

can

cause

the

cord

to

fray,

crack

or

crimp.

This

can

present

a

safety

hazard.

Always

route

power

cords

so

that

they

will

not

be

walked

on,

tripped

over,

or

pinched

by

objects.

Protect

the

cord

and

power

adapters

from

liquids.

For

instance,

do

not

leave

your

cord

or

power

adapter

near

sinks,

tubs,

toilets,

or

on

floors

that

are

cleaned

with

liquid

cleansers.

Liquids

can

cause

a

short

circuit,

particularly

if

the

cord

or

power

adapter

has

been

stressed

by

misuse.

Liquids

can

also

cause

gradual

corrosion

of

the

power

cord

terminals

and/or

the

connector

terminals

on

the

adapter

which

can

eventually

result

in

overheating.

Always

connect

power

cords

and

signal

cables

in

the

correct

order

and

ensure

that

all

power

cord

connectors

are

securely

and

completely

plugged

into

receptacles.

vi

User

Guide

Do

not

use

any

power

adapter

that

shows

corrosion

at

the

ac

input

pins

and/or

shows

signs

of

overheating

(such

as

deformed

plastic)

at

the

ac

input

or

anywhere

on

the

power

adapter.

Do

not

use

any

power

cords

where

the

electrical

contacts

on

either

end

show

signs

of

corrosion

or

overheating

or

where

the

power

cord

appears

to

have

been

damaged

in

any

way.

Extension

cords

and

related

devices

Ensure

that

extension

cords,

surge

protectors,

uninterruptible

power

supplies,

and

power

strips

that

you

use

are

rated

to

handle

the

electrical

requirements

of

the

product.

Never

overload

these

devices.

If

power

strips

are

used,

the

load

should

not

exceed

the

power

strip

input

rating.

Consult

an

electrician

for

more

information

if

you

have

questions

about

power

loads,

power

requirements,

and

input

ratings.

Plugs

and

outlets

If

a

receptacle

(power

outlet)

that

you

intend

to

use

with

your

computer

equipment

appears

to

be

damaged

or

corroded,

do

not

use

the

outlet

until

it

is

replaced

by

a

qualified

electrician.

Do

not

bend

or

modify

the

plug.

If

the

plug

is

damaged,

contact

the

manufacturer

to

obtain

a

replacement.

Some

products

are

equipped

with

a

three-pronged

plug.

This

plug

fits

only

into

a

grounded

electrical

outlet.

This

is

a

safety

feature.

Do

not

defeat

this

safety

feature

by

trying

to

insert

it

into

a

non-grounded

outlet.

If

you

cannot

insert

the

plug

into

the

outlet,

contact

an

electrician

for

an

approved

outlet

adapter

or

to

replace

the

outlet

with

one

that

enables

this

safety

feature.

Never

overload

an

electrical

outlet.

The

overall

system

load

should

not

exceed

80

percent

of

the

branch

circuit

rating.

Consult

an

electrician

for

more

information

if

you

have

questions

about

power

loads

and

branch

circuit

ratings.

Be

sure

that

the

power

outlet

you

are

using

is

properly

wired,

easily

accessible,

and

located

close

to

the

equipment.

Do

not

fully

extend

power

cords

in

a

way

that

will

stress

the

cords.

Connect

and

disconnect

the

equipment

from

the

electrical

outlet

carefully

Batteries

All

IBM

personal

computers

contain

a

non-rechargeable

coin

cell

battery

to

provide

power

to

the

system

clock.

In

addition

many

mobile

products

such

as

Thinkpad

notebook

PCs

utilize

a

rechargeable

battery

pack

to

provide

system

power

when

in

portable

mode.

Batteries

supplied

by

IBM

for

use

with

your

product

have

been

tested

for

compatibility

and

should

only

be

replaced

with

IBM

approved

parts.

Never

attempt

to

open

or

service

any

battery.

Do

not

crush,

puncture,

or

incinerate

batteries

or

short

circuit

the

metal

contacts.

Do

not

expose

the

battery

to

water

or

other

liquids.

Only

recharge

the

battery

pack

strictly

according

to

instructions

included

in

the

product

documentation.

Battery

abuse

or

mishandling

can

cause

the

battery

to

overheat,

which

can

cause

gasses

or

flame

to

“vent”

from

the

battery

pack

or

coin

cell.

If

your

battery

is

damaged,

or

if

you

notice

any

discharge

from

your

battery

or

the

buildup

of

Important

safety

information

vii

foreign

materials

on

the

battery

leads,

stop

using

the

battery

and

obtain

a

replacement

from

the

battery

manufacturer.

Batteries

can

degrade

when

they

are

left

unused

for

long

periods

of

time.

For

some

rechargeable

batteries

(particularly

Lithium

Ion

batteries),

leaving

a

battery

unused

in

a

discharged

state

could

increase

the

risk

of

a

battery

short

circuit,

which

could

shorten

the

life

of

the

battery

and

can

also

pose

a

safety

hazard.

Do

not

let

rechargeable

Lithium-Ion

batteries

completely

discharge

or

store

these

batteries

in

a

discharged

state.

Heat

and

product

ventilation

Computers

generate

heat

when

turned

on

and

when

batteries

are

charging.

Notebook

PCs

can

generate

a

significant

amount

of

heat

due

to

their

compact

size.

Always

follow

these

basic

precautions:

v

Do

not

leave

the

base

of

your

computer

in

contact

with

your

lap

or

any

part

of

your

body

for

an

extended

period

when

the

computer

is

functioning

or

when

the

battery

is

charging.

Your

computer

produces

some

heat

during

normal

operation.

Extended

contact

with

the

body

could

cause

discomfort

or,

potentially,

a

skin

burn.

v

Do

not

operate

your

computer

or

charge

the

battery

near

flammable

materials

or

in

explosive

environments.

v

Ventilation

slots,

fans

and/or

heat

sinks

are

provided

with

the

product

for

safety,

comfort,

and

reliable

operation.

These

features

might

inadvertently

become

blocked

by

placing

the

product

on

a

bed,

sofa,

carpet,

or

other

flexible

surface.

Never

block,

cover

or

disable

these

features.

CD

and

DVD

drive

safety

CD

and

DVD

drives

spin

discs

at

a

high

speed.

If

a

CD

or

DVD

is

cracked

or

otherwise

physically

damaged,

it

is

possible

for

the

disc

to

break

apart

or

even

shatter

when

the

CD

drive

is

in

use.

To

protect

against

possible

injury

due

to

this

situation,

and

to

reduce

the

risk

of

damage

to

your

machine,

do

the

following:

v

Always

store

CD/DVD

discs

in

their

original

packaging

v

Always

store

CD/DVD

discs

out

of

direct

sunlight

and

away

from

direct

heat

sources

v

Remove

CD/DVD

discs

from

the

computer

when

not

in

use

v

Do

not

bend

or

flex

CD/DVD

discs,

or

force

them

into

the

computer

or

their

packaging

v

Check

CD/DVD

discs

for

cracks

before

each

use.

Do

not

use

cracked

or

damaged

discs

viii

User

Guide