Date: Wed, 11 Jul 2007 02:20:53 +0100 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: Detecting CPU Type Message-ID: <20070711022053.07db646d@gumby.homeunix.com.> In-Reply-To: <4693EF39.9090003@xxiii.com> References: <4693E403.9090800@oregnier.net> <4693EF39.9090003@xxiii.com>
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On Tue, 10 Jul 2007 16:42:33 -0400 Rob <r17fbsd@xxiii.com> wrote: > 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 I'm not sure that is safe, Athlons, Sempron etc are back-compatible to 686 i.e. Pentium Pro, which is way before Intel developed the Pentium4.
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