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Date:      Tue, 10 Jul 2001 13:01:01 -0400 (EDT)
From:      Kenneth Wayne Culver <culverk@wam.umd.edu>
To:        nathan@vidican.com
Cc:        questions@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject:   Re: Athlon MP / AMD 760MP Chipset (Athlon SMP question)
Message-ID:  <Pine.GSO.4.21.0107101259320.14542-100000@rac4.wam.umd.edu>
In-Reply-To: <200107092108.f69L87E98563@mail.ipsnetwork.net>

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SMP works on athlons... while internally AMD uses the Alpha EV6 bus to
give each CPU a full 200MHz point-to-point bus between it and it's RAM, to
the OS, it just looks like any other intel based SMP machine. (It just
runs faster)

Ken

On Mon, 9 Jul 2001, Nathan Vidican wrote:

>     I seem to recall a few discussions about the Dual Athlon buzz some 
> while back which had stated that the Athlon would essentially require a 
> completely different SMP spec than that currently utilized by the Intel 
> procesors. Assuming that this was true, one would assume that the O/S 
> too would require a different kind of SMP support in order to function 
> with these CPUs.
>     Unfortuneately, a recent thread has me at a bit of a loss here; in 
> that people seem to be speaking about the processor/smp chipset as 
> though they function just like Intel's do. Assuming that this 
> conflicting information is indeed correct, then would it not be 
> feasible to assume that the code currently implemented for using SMP 
> implementations under FreeBSD would be portable to the new Athlon MP 
> processor line?
>     The threads I'm speaking of, were to freebsd-questions most 
> recently wherein someone had been asking if the new Tyan ThunderK7 
> motherboard would work with FreeBSD. The general concencus was 'why 
> not', from the responses I had read... but no one who answered really 
> seemed to know for sure.
>     Just for the record, is it or is it not possible to run SMP with 
> the new Athlon MP Processors; or has no-one even tried yet? Currently 
> the only O/S I know of which is promoting the usage of such systems is 
> Novell Netware, and I am just curious if FreeBSD will (if it is not 
> currently) be capable of running on such a system?
> 
> 
> -- 
> Nathan Vidican
> Nathan@Vidican.com
> http://Nathan.Vidican.com/
> 
> 
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