Quote Originally Posted by dejanh View Post
How about this theory...

Could it be that when we were thinking the Xeon chips had locked multipliers for Uncore and QPI that they were in fact exactly the same or very similar to the i7 920 D0 parts and when work was done to enable the Xeon multipliers to function correctly it actually fixed them where as the desktop version of D0 920 chips stayed broken.

Thoughts? Could you repeat your series of tests with a regular retail D0 920? There was one other person on XS reporting working Xeons yet everyone with a D0 920 is coming with the same story...
I'll do so when I have it back right now the retail 920 D0 is in a demo rig for someone else's booth.