Author: Sean Empey
Date: 15:38:50 03/27/00
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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.
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