Re: AMD related
On Monday 01 October 2001 16:53, Hamish Moffatt wrote:
> On Mon, Oct 01, 2001 at 10:28:52AM +0200, Allan Sandfeld Jensen wrote:
> > On Sunday 30 September 2001 18:59, Jeffrin Jose T. wrote:
>
> I don't think it's as simple as that. What is "pure x86" any more?
>
> There was the plain old 486 instruction set. Intel added some Pentium
> extensions. Intel added MMX. AMD, Cyrix etc added MMX. AMD added 3D Now!
> I don't know if those original Pentium extensions ever made it into
> the others. So what's standard any more?
>
Well, you can ask the processor whether it supports the extensions. MMX is
counted as a detectable extension. So nothings stop anyone from making an x86
processor without it, since all applications should detect extension before
using them.
I guess that makes 486/pentium the standard.
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