Go to the drive's MFG site and see if they have a copy of EZDrive. That will fix the 8 gig limit without a BIOS update. I have P1 MOBO that suffers from the 8 Gig limit and EZ Drive works well. For more info on size issues see:
http://www.dewassoc.com/kbase/hard_drives/drive_size_barrier_limitations.htm