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Date: Tue, 10 Jul 2007 16:42:33 -0400
From: Rob <r17fbsd@xxiii.com>
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To: Olivier Regnier <oregnier@oregnier.net>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Detecting CPU Type
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Olivier Regnier wrote:
> I searching to find information about my CPU type.
> i have this: CPU: Mobile AMD Sempron(tm) Processor 2800+ (1600.06-Mhz 686-class CPU)
> I must configure my CPUTYPE?= in /etc/make.conf.
> I'ts i686 (686-class) or i386 ?

"i386" is the architecture;  it includes all the similar processors including the 486, Pentiums, Athlon, etc.   Other architectures are completely different hardware, eg Sun's SPARC.

The 686-class is the specific processor within the i386 architecture.  if you look in /usr/share/examples/etc/make.conf you'll see a list of options for CPUTYPE.  athlon-xp might be the closest to your cpu.  However, some folks here recommend against using overly specific cpu optimization.  You can go safe and just use pentium4

  -RW