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Subject: Re: No dual athlons sighted!

Author: Jorge Pichard

Date: 05:45:38 03/28/00

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On March 27, 2000 at 18:38:50, Sean Empey wrote:

>On March 27, 2000 at 17:27:17, Dan Andersson wrote:
>
>>Duh, I seem to remember them not being electrically compatible. Am I wrong? And
>>the alpha chipset is certainly not designed for the Athlon. Now give me som
>>links to resources for getting Dual Athlon Mobos.
>
>the Atlon use's the Alpha EV6 bus protocol in place of the current GTL+ protocol
>as used by Intel. This would make Slot A and Slot 1 electrically incompatiable.
>
>This centres around the EV6's “Point to Point” topology, which means that each
>CPU is given a separate pipeline to the chipset. This means that when 2 CPU’s
>are used they can both utilise their own 1.6 Gb of bandwidth between the CPU and
>chipset. When a second CPU is added to the system, the amount of bandwidth per
>CPU does not diminish. This compares favorably to the GTL+ protocol which forces
>all CPU’s to share bandwidth between the CPU and chipset, meaning that when a
>second CPU is added the bandwidth available to both CPU’s is halved. The EV6
>means that AMD’s Athlon has a big advantage over the Pentium III and Xeon
>processors when it comes to multi-processor systems.
>
>You can check with all the Slot A MB manufacturers for availability.

Okay it seems that Mr Andersson is persistant in getting the source of where I
got my SMP dual ATHLON built. My friend who works for Tiger Direct as a
technician built it for me, since we have been friends for almost 25 years. I
spoke to him yesterday and he told me not to reveal his name, since legally AMD
has not authorized to experiment with dual SMP ATHLON yet. But once AMD
authorize them to built SMP ATHLON 800 Mhz and market them, it will become
available to everybody and this will be sooner than expected.



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