hmmm...i have no idea what 'CR4' is, but you can find the Datasheet for the Am5x86 here
' ">http://www.amd.com/us-en/asset...nd_tech_docs/19751.pdf...and here's
' ">http://www.amd.com/us-en/asset...nd_tech_docs/20734.pdf AMD's Processor Recognition Application Note which deals with the CPUID-instruction on AMD processors.
Hope this helps
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