27English EnglishAudioThe computer comes with 16-bit high-fidelity AC’97 stereo audio andmicrophone. The built-in dual stereo speakers are easy to access.There are audio ports on the front panel of the computer. See “Closedfront view” on page 5 for more information on external audio devices.Adjusting the volumeAdjusting the volume on the computer is as easy as pressing some but-tons. See “Hot keys” on page 18 for more informations on adjustingthe speaker volume.Power managementThis computer has a built-in power management unit that monitorssystem activity. System activity refers to any activity involving one ormore of the following devices: keyboard, mouse, hard disk, peripheralsconnected to the USB ports, and video memory. If no activity isdetected for a period of time (called an inactivity timeout), thecomputer stops some or all of these devices in order to conserveenergy.This computer employs a power management scheme that supportsAdvanced Configuration and Power Interface (ACPI), which allows formaximum power conservation and maximum performance at the sametime. Windows handles all power-saving chores for your computer.