I think we can get rid off the Extened family and extended model I just found: The terms effective family and effective model describe the expanded 8-bit family and 8-bit model numbers as computed using the extended family, family, extended model, and model fields. So if family is 0xF just add extended family to it and extended model bit concat with model. ef_family = ext_fam + 0xF ef_model = ext_model<<4 + model I found this in AMD Processor Recognition Application Note page 28. On the other hand on page 75 of Intel Processor Identification and the CPUID Instruction Application Note 485 in the code is if model is 0xF extended model is printed. I havent seen any CPU with family F model F and with some ext model specified did someone? Maybe we can do that computation in case of family F and save two fields from table for all cases. Any ideas, comments? Regards Rudolf
