ASROCK 970DE3/U3S3 User Manual page 43

ACPI HPET table
Use this item to enable or disable ACPI HPET Table. The default value is
[Enabled]. Please set this option to [Enabled] if you plan to use this moth-
® TM
erboard to submit Windows Vista certifi cation.
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This Manual: http://www.manuallib.com/file/2587857