As far as I know was just the capabilities of running Intel raid rom plus the Jmicron raid rom together at the same time implemented. It is a mod.-BIOS though!
Everything else wasn't touched. So just push a stick into your board and flash it up like you did it so many times before, come on man
By the way you might allow being curios, how many Beths (English pounds) did you pay for your six core?
I am going to let a 3930K work on the X79-UD-7 in future- it is a six core as well, man