Sample system 1300 is representative of processing systems based on the Pentium???, Pentium??? & Pro, Pentium??? II, Pentium??? III, Pentium??? 4, and Itanium??? and Itanium??? 2 microprocessors available from Intel Corporation, although other systems (including personal computers (PCs) having other microprocessors, engineering workstations, personal digital assistants and other hand-held devices,