IBM THINKPAD T22 User Manual download pdf (Page 35)

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.

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.)

Note for the APM operating system:

Even if you do not set the low-battery alarm, the charge

indicator notifies you when the battery is low, and then the

computer enters the power-saving mode automatically.

This default low-battery behavior is independent of the

operating system; so if you have set the low-battery alarm,

the computer may not do what you specified. It chooses

either your setting or the default setting, whichever is

appropriate.

If you are using the ACPI operating system, only the

low-battery alarm is available.

To cause the computer to return from standby mode and

resume operation, do one of the following:

v Press the Fn key.

v Open the LCD cover (only if you are using Windows Me

and you entered standby mode by closing the LCD

cover.)

Related service information

General descriptions 29

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IBM THINKPAD T22 User Manual Page 35

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