On Thu, Jun 5, 2008 at 11:39 AM, Mikhail Kuzminsky <[EMAIL PROTECTED]> wrote:
> In message from Mark Hahn <[EMAIL PROTECTED]> (Thu, 5 Jun 2008 11:57:28 > -0400 (EDT)): > >> To be more exact, Rev. B2 of Opteron 2350 - is it for CPU stepping w/error >>> or w/o error ? >>> >> >> AMD, like Intel, does a reasonable job of disclosing such info: >> >> >> 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 heard that new CPUs w/o TLB+L3 error are shipped now, > but are this CPUs really B3 or may be have some more new release ? Yes, what are currently shipping from AMD are B3 revision processors. The TLB-look-aside problem is fixed. There are other less-critical problems with B3, however. Specifically, power-related compatibility issues with various motherboards due to (according to the motherboard manufacturers) AMD changing the TDP late in the release process. I can't give any specific names or models that we know have problems, however. I can say that everyone involved is working on a resolution--usually through PCB revisions of the motherboards. A number of 1U power supplies that have previously worked with all Intel and AMD solutions are now insufficient, as well, due to 12V limitations. B3 pulls a *lot* of power.
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