MSI K9AGM User Manual page 53

BIOS Setup
power saving modes through any event on PME (Power Management Event).
Resume by PCIE Device
W hen set to [Enabled], the feature allows your system to be awakened from the
power saving modes through any event on PCIE device.
Resume by RTC Alarm
The field is used to enable or disable the feature of booting up the system on a
scheduled time/date.
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