ASROCK X600-ITX User Manual page 47

USB Power delivery in Soft Off state (S5)
If this option is enabled, the USB port will provide power to your devices even when
the system is in Power State S5.
PCIE Devices Power On
[Enabled] Select this item to allow the system to be waked up by a PCIE device and
enable wake on LAN.
[Disabled] Select this item to disallow the system to be waked up by a PCIE device
and disable wake on LAN.
RTC Alarm Power On
[Enabled]
Select this item to allow the system to be waked up by the real time clock alarm.
[Disabled]
Select this item to disallow the system to be waked up by the real time clock alarm.
[By OS]
Select this item to let it be handled by your operating system.
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