The Intel Processor Frequency ID Utility was developed by Intel Corporation to enable consumers the ability to identify and, in some circumstances, determine if their Intel processor is operating at the correct and rated frequency intended by Intel Corporation. This version of the Intel Processor Frequency ID Utility has been updated to support the new Intel Pentium M processor, while continuing to support the Intel Xeon?, Pentium 4, Mobile Pentium 4, Pentium III processors, Mobile Pentium III processors with Intel SpeedStep technology, Pentium III Xeon and Intel Celeron processors. Each of the products listed above have multiple system memory bus speeds that are also supported including 66, 100, 133, 400, 533 and 800 MHz system memory bus products.