From what I understand, EM64T is just a 64-bitextension to the IA-32 processors, but IA-64 is a true 64-bit processors. Is that correct?
Can IA-64 processorsrun 32-bit programsand OSs? If it can run 32-bit programsand OSs, what is difference between IA-64 and EM64T?
Differences between IA-64 and EM64T.