es processor in mac pro

[redarc]

I can t find any report about use ES on mac pro.. like DO stepping.. i just read about x5570 B= stepping fail.. anyone can help me on this?

someone used ES in his mac pro?

 

[Hellhammer]

D0 sounds like an even older stepping. I would stay away from ES versions because they are called ES versions for a reason. They may not be as reliable or efficient, if they work in the first place.