"AMD is unveiling today the new processor architecture that will be used in their new CPUs starting in 2011. Codenamed Bulldozer, this architecture is completely different from the current AMD64 architecture that AMD has been using since the introduction of the very first Athlon 64 CPU back in 2003. In this tutorial we will give you an in-depth explanation of how this new architecture looks like and how it works."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips