This version of the Intel Processor Frequency ID Utility has been updated to support the new Intel Xeon Processor, Pentium 4 processors, Mobile Intel Pentium 4 processors, Pentium III processors, Mobile Pentium III processors with Intel SpeedStep technology, Pentium III Xeon processors and Intel Celeron processors with 66, 100, 133, 400, 533 , and 800 MHz system memory bus products, as well as adding new processor identification functionality (CPUID).

For Windows NT 4.0, Windows 2000, Windows 98, Windows 98 SE, Windows Me, Windows XP Home Edition, Windows XP Professional.