43English EnglishPower managementYour computer features a built-in power management unit that constantly monitorssystem activity. System activity refers to any activity involving one or more of thefollowing devices: keyboard, touchpad/mouse, floppy disk drive, hard disk drive,optical drive, peripherals connected to the computer, and video memory. If no activityis detected for a period of time (the settings are controlled in Windows PowerManagement), the computer turns off some, or all, of these devices in order toconserve power.Your computer employs a power management scheme that supports ACPI (AdvancedConfiguration and Power Interface), enabling maximum power conservation withoutcompromising system performance. ACPI allows Windows to control the amount ofpower given to each device attached to the computer. In this way, Windows handles allpower-saving chores for your computer. Refer to Windows Help for more information.