Beim 790i hofft man auch auf ein Biosupdate:
http://www.fudzilla.com/index.php?option=com_content&task=view&id=6912&Itemid=37
We'd expect a BIOS update to be released that will resolve this issue, although it could takes some time before it makes its way to all of Nvidia's board partners who then in turn need to implement it into their BIOS code.
http://www.fudzilla.com/index.php?option=com_content&task=view&id=6912&Itemid=37