i had a little problème with the first boot ( trying three times) and now is ok
but which step have you bios 2704 is just for step c1 , p5wdh is no good for step c0
i have put for trying my ram corsair c4 800 5 5 5 18 & 667mhz and now is 4 4 4 12 837 mhz 2.2v