Where you found my post,there should be reverse BIOS......B3=>B2 also.

Also posted on TT forum:
B2=>B3
http://91.121.148.119/downloads/BIOS/P67aud73.f3h1

B3=>B2
http://91.121.148.119/downloads/BIOS/p67aud7.f8f1

Same first flashing for both.