Power management, Screen blank mode, Standby mode – IBM X32 User Manual

Page 41: Power, Management

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Both

user

HDP

and

master

HDP

will

have

been

removed.

Power

management

To

reduce

power

consumption,

the

computer

has

three

power

management

modes:

screen

blank,

standby,

and

hibernation.

Screen

blank

mode

Screen

blank

mode

has

three

variants,

as

follows:

1.

If

you

press

Fn+F3,

or

if

the

time

set

on

the

“LCD

off

timer”

in

the

BIOS

Setup

Utility

expires,

v

The

LCD

backlight

turns

off.

v

The

hard

disk

drive

motor

stops.

v

The

speaker

is

muted.

2.

If

you

are

using

the

ACPI

operating

system

and

you

press

Fn+F3,

v

The

LCD

backlight

turns

off.

v

The

hard

disk

drive

motor

stops.

3.

If

the

time

set

on

the

“Turn

off

monitor”

timer

in

the

operating

system

expires,

v

The

LCD

backlight

turns

off.

To

end

screen

blank

mode

and

resume

normal

operation,

press

any

key.

Standby

mode

When

the

computer

enters

standby

mode,

the

following

events

occur

in

addition

to

what

occurs

in

screen

blank

mode:

v

The

LCD

is

powered

off.

v

The

hard

disk

drive

is

powered

off.

v

The

CPU

stops.

To

enter

standby

mode,

press

Fn+F4.

Note:

If

you

are

using

the

ACPI

operating

system,

you

can

change

the

action

of

Fn+F4.

In

certain

circumstances,

the

computer

goes

into

standby

mode

automatically:

v

If

a

“suspend

time”

has

been

set

on

the

timer,

and

the

user

does

not

do

any

operation

with

the

keyboard,

the

TrackPoint

®

,

the

hard

disk,

the

parallel

connector,

or

the

diskette

drive

within

that

time.

v

If

the

battery

indicator

blinks

orange,

indicating

that

the

battery

power

is

low.

(Alternatively,

if

Hibernate

when

battery

becomes

low

has

been

selected

in

the

“Power

Management

Properties”

window,

the

computer

goes

into

hibernation

mode.)

Related

service

information

General

descriptions

37

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This manual is related to the following products:

X31, X30