DragonFlyBSD

So I upgraded my workstation today with a quad core AMD, GigaByte main
board, eager to use AHCI instead of plain old IDE and a hicup!

Went to BIOS, and changed from IDE to AHCI, rebooted and got BTX halted.
So I've put in a DragonFly live cd and guess what? It booted just fine,
recognized my SATA drives through AHCI and worked. But not when it boots
from hard disk.

Im running latest master. Any ideas what could be happening? Any tweaking
ideas that I can try either in BIOS or DragonFly?

I remember BTX was updated a few months ago, is there anything particular
that needs to be done to upgrade it? It says BTX version 1.02.

Thanks,
Petr