Lenovo IdeaCentre D400 Lenovo IdeaCentre D400 Series Hardware Maintenance Manu - Page 60
Additional service information, Power management, Automatic configuration and power interface (ACPI - power consumption
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Additional service information This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, USB keyboard or mouse, and some monitors. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the setting for Advanced Power Management (APM) BIOS mode is ignored. Not all operating systems support ACPI BIOS mode. Automatic power-on features The automatic power-on features allow you to enable and disable features that turn on the home center automatically. • After Power Failure: You can specify in BIOS to enable or disable the home center to resume from previous power state after a power failure occurs. • On LAN Wake Up: The home center includes a Lights Out client software that allows the LAN adapter card to wake the home center. See the User Guide for more information. 55