Power Management
Overview 3 - 1
3
Chapter 3: Power Management
Overview
To conserve power, especially when using the battery, your computer uses the
ACPI power management system. Power management conserves power by
controlling individual components of the computer (the monitor and hard disk
drive) or the whole system.
This chapter covers:
• The Power Sources
• Turning On the Computer
•Power Schemes
• System Power Options (Standby and Hibernate)
• Configuring the Power Button
• Battery Information
Advanced Configuration and Power Interface
The ACPI interface provides the computer with enhanced power saving tech-
niques and gives the operating system (OS) direct control over the power and
thermal states of devices and processors. For example, it enables the OS to set
devices into low-power states based on user settings and information from ap-
plications. ACPI is fully supported in Windows XP.
OS Note
Power management
functions will vary
slightly depending on
your operating system.
For more information it
is best to refer to the
user’s manual of your
operating system.
(Note: All pictures
used on the following
pages are from the
Windows XP OS.)
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