Use the Q-flash utility to update the BIOS, page 79 in the manual. Should (hopefully) be as easy as selecting the update file and selecting yes.
Cheers, man. All done and it appears to have dropped my CPU voltage down to 1.2V approximately as well.
As for creating a partition on my HDD to make it usable, I don't see that option in disk management. All I see when I right-click on it is the option to convert it to either a dynamic or MBR disk, is it one of those I need to select?