HP OmniBook xe3-gf HP Omnibook Notebook PC XE3-GF - Reference Guide - Page 50

Managing Power Consumption

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Traveling with Your Computer Managing Power Consumption Managing Power Consumption When you are not using your computer, you will want to maximize battery operating time without compromising performance. It is not necessary to turn the computer off in order to reduce power consumption and extend battery life. Windows uses Advanced Configuration and Power Interface (ACPI) to provide manual and automated tools for reducing power consumption. • You can set power management options to occur automatically, based on timeout values entered. • You can also invoke power management options manually at any time by pressing the appropriate key. See "To use manual power management" on page 53. To use automated power management System hibernation, standby, monitor, and hard disk timeouts automatically occur based on the values set in Control Panel, in Power Management (Windows 98) or Power Options (Windows 2000 and XP). The following tables describe the power management timeouts you can set in Windows. System hibernation Action When Resume Saves current session to disk, then shuts down. Provides maximum power savings while still allowing you to recover the current session. After being in standby for the specified interval (Windows 2000 and XP). -ORCritical low battery. Press the blue standby button to recover your current session. This may take several minutes. When battery power reaches a critically low level, see "To respond to a low-battery warning" on page 57. 50 Reference Guide

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Traveling with Your Computer
Managing Power Consumption
50
Reference Guide
Managing Power Consumption
When you are not using your computer, you will want to maximize battery operating
time without compromising performance. It is not necessary to turn the computer off in
order to reduce power consumption and extend battery life.
Windows uses Advanced Configuration and Power Interface (ACPI) to provide manual
and automated tools for reducing power consumption.
•
You can set power management options to occur automatically, based on timeout
values entered.
•
You can also invoke power management options manually at any time by pressing the
appropriate key. See “To use manual power management” on page 53.
To use automated power management
System hibernation, standby, monitor, and hard disk timeouts automatically occur based
on the values set in Control Panel, in Power Management (Windows 98) or Power
Options (Windows 2000 and XP). The following tables describe the power management
timeouts you can set in Windows.
System hibernation
Action
Saves current session to disk, then shuts
down. Provides maximum power savings
while still allowing you to recover the
current session.
When
After being in standby for the specified
interval (Windows 2000 and XP).
-OR-
Critical low battery.
Resume
Press the blue standby button to recover
your current session. This may take
several minutes.
When battery power reaches a critically low level, see “To respond to a low-battery
warning” on page 57.