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Date:      Thu, 26 Sep 1996 15:44:57 +0800
From:      Peter Wemm <peter@spinner.dialix.com>
To:        Poul-Henning Kamp <phk@critter.tfs.com>
Cc:        erich@uruk.org, Dayton Clark <dayton@sci.brooklyn.cuny.edu>, freebsd-smp@freebsd.org
Subject:   Re: QuadPro Motherboard 
Message-ID:  <199609260744.PAA00409@spinner.DIALix.COM>
In-Reply-To: Your message of "Thu, 26 Sep 1996 09:25:52 %2B0200." <4231.843722752@critter.tfs.com> 

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Poul-Henning Kamp wrote:
> In message <199609252257.PAA16923@uruk.org>, erich@uruk.org writes:
> >
> >Dayton Clark <dayton@sci.brooklyn.cuny.edu> writes:
> >
> >> We've got an attractive quote on 4CPU systems with QuadPro
> >> motherboards which use the Orion chipset.  I plan to try Freebsd-SMP
> >> on one of them, at least for awhile.
> >
> >Uhh...  as far as I know, no P6 motherboard will work with FreeBSD-SMP.
> 
> it worked fine on the HP 2xP6/150 I tried it on...

There is a tweakable #define in the current boot code that tells the 
booting cpu the apic ID of the other cpu.  Normally, this is 1, but if the 
boot cpu is #1 (or something else), then the boot cpu can start cpu #0 or 
whatever.

It's not pretty but it should work enough to be usable.

> --
> Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
> http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
> whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, In
    c.
> Future will arrive by its own means, progress not so.

Cheers,
-Peter





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