Power Management Features

Three power management modes are provided by the computer to reduce power consumption and prolong battery power.

Standby Mode

In standby mode, the following occurs:

The LCD backlight turns off.

The hard disk drive motor stops.

The speaker is muted.

The

computer

enters

standby

mode Fn when+ F3 the

keys

are

pressed.

 

 

The

computer

exits

standby

and resumes normal operation

when

any

key

is pressed.

 

Note:

Standby

mode in Windows 98 is called suspend

 

mode

in

Windows 95.

 

Suspend Mode

The

following

events

occur

 

in addition to what occurs in

standby

 

mode

when

the

computer

enters

suspend

mode:

 

The

LCD

is

powered

off.

 

 

 

 

 

 

 

 

 

The

hard

disk

drive

is

powered off.

 

 

 

The

CPU

stops.

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

Suspend

mode in Windows 95 is called standby

 

mode

in

Windows

98.

 

 

 

 

 

 

 

 

 

 

The

following

events

cause

the

computer

to

enter suspend

mode:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The Fn

+

F4

keys

are

pressed.

 

 

 

 

 

 

 

The

LCD

cover

is

 

closed.

 

 

 

 

 

 

 

 

 

If

you

add

a

 

check Willmarknot tosuspendthe

 

 

 

 

 

even

if

LCD

is

closed

 

box

 

in

the

“Power

 

 

 

 

Management

Properties” window, the computer will

 

not

enter

suspend

mode

even

if

the

LCD

is

closed.

 

The

LCD

only

turns

off.

 

 

 

 

 

 

 

 

 

The Suspend

 

 

button

is

 

selected

in

the

Fuel-Gauge

 

program.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The specified time has elapsed from the last

 

operation

with

the

keyboard, the TrackPoint, the hard

 

disk

 

drive,

the

 

parallel

connector,

or

the

diskette drive;

 

or

the

AC

Adapter

is

 

plugged

in.

 

 

 

 

 

In

Windows

95,

the timer isSuspendset by the

 

 

Timer

 

in

the

“Power

Properties”

window.

 

 

 

In

Windows

98,

the

timer isSystemset by the

 

 

standby

timer

 

in

the

“Power

Management

Properties”

 

window.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The battery indicator blinks orange indicating that the

 

battery

power

is

low.

 

 

 

 

 

 

 

 

 

 

If

you

add

a

 

check Hibernatemark

towhen the

 

 

 

 

 

battery

becomes

low

 

 

box

 

in

the

“Power

 

 

 

 

20

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Image 22
IBM 380Z manual Power Management Features, Standby Mode, Suspend Mode, Even