Lenovo IdeaCentre K220 User Manual download pdf (Page 60)

Chapter 8. Additional Service Information

Additional Service

Information

(Type G33)

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.

Automatic Power-On features

The Automatic Power-On features within the Power Management menu

allow you to enable and disable features that turn on the computer

automatically.

Resume On Ring: • With this feature set to Enabled, the computer will

turn on automatically when a ring is detected on the internal modem.

Resume On PME#: • This feature allows PCI cards that support this

capability to wake the system.

Resume On RTC: • 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.

USB Device Wakeup From S3: • This feature allows USB Device to wake

the System from S3.

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Lenovo IdeaCentre K220 User Manual Page 60