Ok, now this is getting down right creepy. It seems this Phenom does not want to do 2.8 Ghz or more. I can raise the FSB to 254x11 = 2795 Mhz.

0 Memory errors, solid stability.

@ 255x11 = 2805 Mhz

Instants memory errors, blue screen. Go figure.

EDIT: SuperPI does get 28s tho