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Subject: Re: Linux 2.2.18 release notes
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>           ... added basic support for the Pentium IV. Unfortunately Intel 
chose to
>           ignore all precedent in model numbering via cpuid and report a
>           family of '15'. This sudden jump broke assumptions in the
>           kernel tree without any warning. Intel have failed to provide
>           good reasons for their change. We have chosen to continue to
>           report the Pentium IV as a '686' class processor. The full
>           family data is provided via cpuinfo.
>
>           In addition the early Pentium IV chips appear to have some
>           problems. You should be using stepping 7 or higher processors
>           with the latest shipping microcode update if you wish to run
>           Linux on a Pentium IV processor.
>
>           + Intel Pentium IV support


How is the Pentium IV more advanced than the Pentium III, other than speed?
Why would LInux care about a 1500 MHz clock or 400 MHz bus speed?
Just treat the PIV as a faster PIII. 

                                  -- Ted
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