ASROCK N68C-GS UCC User Manual page 46

RTC Alarm Power On
Use this item to enable or disable RTC (Real Time Clock) to power on the
system.
ACPI HPET Table
Use this item to enable or disable ACPI HPET Table. The default value is
[Disabled]. Please set this option to [Enabled] if you plan to use this
motherboard to submit Windows
OSC Control
Use this item to enable or disable OSC control. Configuration options: [Auto],
[Enabled] and [Disabled]. The default value is [Auto].
Vista certification.
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