Intel processors from the Pentium Pro onwards have a maximum CPUID input value of only 02h or 03h.The only exception is the Intel Pentium 4 with Hyper-Threading Technology (HTT).

• Intel的高能奔腾以后的CPU的CPUID数值不超过02H或03H，仅有的例外是具有超线程技术（HTT）的奔腾4。