launched two Pentium 4 chips built with a technology that allows computers to run several operating systems and improve their multitasking abilities.
The company is touting the Pentium 4 as the first desktop processors with so-called “virtualization technology. The technology, which creates several virtual environments, enables a computer to run several operating systems and programs without them interfering with one another.
http://intel.com/pressroom/archive/releases/20051114comp.htm
http://www.redherring.com/Article.aspx?a=14455&hed=Intel%E2%80%99s+Multitasking+Chips§or=Regions&subsector=Americas