Power ManagementOverview 3 - 13Chapter 3: Power ManagementOverviewTo conserve power, especially when using the battery, your computer uses the ACPIpower management system. Power management conserves power by controlling in-dividual components of the computer (the monitor and hard disk drive) or the wholesystem. This chapter covers:• The Power Sources• Turning on the Computer• Power Schemes• System Power Options• Configuring the Power Button• Battery Information• Swap Battery (Optional)Advanced Configuration and Power InterfaceThe ACPI interface provides the computer with enhanced power saving techniquesand gives the operating system (OS) direct control over the power and thermal statesof devices and processors. For example, it enables the OS to set devices into low-power states based on user settings and information from applications. ACPI is fullysupported in Windows XP.OS NotePower managementfunctions will varyslightly depending onyour operating system.For more information itis best to refer to theuser’s manual of youroperating system.(Note: All picturesused on the followingpages are from theWindows XP OS.)
