Delta THINKPAD R40 Technical Information download pdf (Page 37)

Power

management

To

reduce

power

consumption,

the

computer

has

three

power

management

modes:

screen

blank,

standby,

and

hibernation.

Notes

v

Screen

blank

mode

is

called

standby

mode

in

Windows

95

and

Windows

NT.

v

Standby

mode

is

called

suspend

mode

in

Windows

95

and

Windows

NT.

Screen

blank

mode

Screen

blank

mode

has

three

variants,

as

follows:

1.

If

you

press

Fn+F3,

or

the

time

set

on

the

“LCD

off

timer”

in

IBM

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:

You

can

change

the

action

of

Fn+F4,

if

you

are

using

the

ACPI

operating

system.

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.

Related

service

information

General

descriptions

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