AP-485 Intel Processor Identification and the CPUID Instruction

As the Intel Architecture evolves with the addition of new generations and models of processors (8086, 8088, Intel286, Intel386™, Intel486™, PentiumŪ processors, Pentium OverDrive® processors, Pentium processors with MMX™ technology, Pentium OverDrive processors with MMX technology, Pentium Pro processors, Pentium II processors, Pentium II Xeon™ processors, Pentium II Overdrive® processors, Intel® Celeron™ processors and Pentium® III processors), it is essential that Intel provide an increasingly sophisticated means with which software can identify the features available on each processor.

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