On Wednesday, March 14, 2001 at 9:52:53 PM, Bernd Sieker wrote:

> Software-wise, everything from the PPro upwards is very compatible
> with each other and generally referred to as "686 class". (except for
> some extensions, of course, like MMX (all except PPro) and SSE (only
> P3 and Coppermine-Celeron).

This is to say it is just a matter of performance.
It can't have something to do with compatibility (except for MMX and
SSE)?

-- 
Hanspeter