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idata
Community Manager
941 Views

About CPUID and Stepping

CPUID Function1,EAX[3:0] Specify the CPU stepping,but there is not a formula that I can follow from Nehalem processor.

I want to know is there any document or table: a CPUID corresponding to the stepping

such as :CPUID: 106A0h Stepping: A0

20652h C2

20655h K0

1 Reply
John_S_Intel
Employee
70 Views

I believe the document you want to reference is called the "specification update."

http://download.intel.com/design/processor/specupdt/322911.pdf http://download.intel.com/design/processor/specupdt/322911.pdf (see page 15 & 16)

John S.

 

Intel Customer Support

 

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