Lenovo IdeaCentre K220 - Manual (Page 61)

Hardware Maintenance Manual
58
Additional Service
Information
(Type G43)
11
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, 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.
Power Management features
The Automatic Power-On features within the Power menu allow you to
enable and disable features that turn on the computer automatically.
Wake On LAN: • This future allow system wake up by Lan card and
onboard lan.
Ring Wakeup:
• With this feature set to Enabled, the computer will turn
on automatically when a ring is detected on the internal modem.
Wake Up On Alarm:
• You can specify a date and time at which the
computer will be turned on automatically. This can be either a single
event or a daily event.
PCI Wake Up:
• This feature allows PCI cards which support this
cappability to wake this system.