🚀 go-pugleaf

In article <1992Dec11.155227.28583@ichips.intel.com> rminemie@sedona.intel.com (Ronald Minemier) writes:
>
>i dont know if this is what you are asking about but there is a
>JEDEC standard for internal part identification that has been in
>use for years. There is usually a manufacture's ID, Device ID,
>and stepping field used. All intel micr0-controllers have used this
>and i believe most other Intel parts.
>
>i'm not a processor guy, but clearly the data book shows for 386
>devices that the EAX register holds the part ID just after self-test
>is complete...
>-- 
> Intel, Corp.
> 5000 W. Chandler Blvd.
> Chandler, AZ  85226

That's different. This is a component TYPE identification. A 386 has a 3 in
some register while a 486 has 4. Also, different updates of the 386 (I'm
mostly familiar with the 386) have different stepping numbers in some register.

As far as I know, but I don't know and that basically means nothing, 80x86
processors have no code anywhere except maybe on the housing that enables you
to tell the n'th chip produced from the (n+1)'th chip, or any other chip from
the same line.

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wiltinkm@dutiws.twi.tudelft.nl
Maarten Wiltink

Department of Applied Mathematics and Computer Science
Delft University of Technology
The Netherlands