http://blogs.msdn.com/carmencr/archive/2005/09/01/459194.aspxIn Part 1 , I discussed a bit of the history and function of SMIs. How does this make them EEEEVIL, is the question? Essentially, SMIs are the final word in what happens on a CPU, outside of removing power. They cannot be interrupted, even by a Non-Maskableen-USCommunityServer 2.1 SP1 (Build: 61025.2)