Is PIII an i686?

bruce bedouglas at earthlink.net
Thu Jun 21 16:57:18 UTC 2007


i had foregotten how many iterations of the x86 line there has been...

damm i'm getting old..


-----Original Message-----
From: fedora-list-bounces at redhat.com
[mailto:fedora-list-bounces at redhat.com]On Behalf Of Alan Cox
Sent: Thursday, June 21, 2007 9:22 AM
To: For users of Fedora
Cc: fredex at fcshome.stoneham.ma.us
Subject: Re: Is PIII an i686?


> And so is a PentiumPro and a PII, AFAIK. Though there are some differences
in
> instruction sets, so I don't know if for kernel purposes things as far
back
> as a PII will actually run a 686 kernel.

They will. You need a pentium pro or instruction set compatible
processor. Due to a gcc/intel disagreement you also need the "cmov"
instruction. This is present on all Intel processors from Pentium Pro
onwards, AMD Athlon and onwards and other current chips.

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