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From: Kenneth Culver <culverk@culverk.student.umd.edu>
To: "Jeremiah Gowdy" <jgowdy@home.com>
Subject: Re: intel vs. AMD
Date: Mon, 18 Dec 2000 14:49:21 -0500
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References: <3A3C0A8A.D653C28@ifour.com.br> <00121802514101.02709@culverk.student.umd.edu> <002a01c0691b$630b91f0$aa240018@cx443070b>
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On Monday 18 December 2000 12:53 pm, you wrote:
> > > > If you need/want a dual proc machine, you must go Intel.
> > >
> > > If I'm not mistaken, this is a hardware limitation, not a FreeBSD
> > > limitation... Dual processor AMD motherboards aren't made yet. It's=
 a
> > > shame nobody will take a risk on a dual-processor AMD server MB.
> >
> > Where've you been, under a rock ?  You heard of the AMD 760MP chipset=
,
> > which is being tested right now, and will _soon_ be in motherboards
> > allowing Dual Athlon Thunderbirds ?  Your Dual Thunderbird 1.2 gigahe=
rtz
>
> is
>
> > on the way.
>
> However, it may not be supported on FreeBSD right away, if ever, simply
> because it uses the alpha EV6 bus and not the intel GTL+ bus. I think t=
he
> way
> of doing multiprocessing is different, and there will have to be code a=
dded
> to support multiprocessing on an AMD platform
>
> It might require modification, this is true.  But it's completely worth=
 it,
> because AMD's MP platform will use a Point to Point bus protocol for ea=
ch
> CPU, allowing each CPU full dedicated bandwidth to the bus, rather than
> Intel's design where the bus bandwidth is shared among the CPUs.

I fully agree with you here, I'm just not sure if it will be supported. I=
f it=20
does get support, I'm going to go buy a dual athlon mobo, and ditch the w=
hole=20
single proc thing.

Ken


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