From owner-freebsd-questions@FreeBSD.ORG  Mon Sep 12 19:07:16 2005
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From: Charles Swiger <cswiger@mac.com>
Date: Mon, 12 Sep 2005 15:07:03 -0400
To: Kiffin Gish <kiffin@gish.demon.nl>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Which CPUTYPE?
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On Sep 12, 2005, at 1:58 PM, Kiffin Gish wrote:
> CPU: Mobile Intel(R) Pentium(R) 4 - M CPU 2.00GHz (1993.54 686- 
> class CPU)
>
> and for my web server, dmesg shows the same thing although is has a
>
>     AMD Sempron 1800BOX3100+
>
> I see in the documentation that CPUTYPE=i686 is for older Pentium  
> types, so
> does that mean I should use CPUTYPE=i686 (even though dmesg shgows
> '686-class CPU')
>
> And my kernel file then? cpu I686_CPU or I586_CPU.
>
> What should I use for my laptop? For my web server?

Both of your machines are 686-class machines, using -mpentium or - 
mpentiumpro would be fine.  There is an advantage to not compiling  
the kernel with 386 and 486 suppport, but after that the difference  
between 586 and 686 is fairly minimal....

-- 
-Chuck