>> http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/41322.PDF >> >> the well-known problem is erattum 298, I think, and fixed in B3. > > Yes, this AMD errata document says that in B3 revision the error "will be > fixed". I believe the absence of 'x' in the B3 column of the table on p 15 means that it _is_ fixed in B3.