AMD64
Master-McNeil created AMD64 as our name for this revolutionary, 64-bit processor technology from AMD, the next step in chip technology, following on 8-bit, 16-bit, and 32-bit architecture.AMD64 is backward compatible, allowing companies to run 32-bit software on 64-bit machines. "AMD is taking a lead role in shaping the future of the computing industry by putting the power of AMD technology at the fingertips of PC users around the world," said Hector Ruiz, president and CEO of AMD.