Author: Vincent Lejeune
Date: 06:01:19 03/11/00
Go up one level in this thread
On March 10, 2000 at 22:49:44, Robert Hyatt wrote: >On March 09, 2000 at 17:42:48, Tom Kerrigan wrote: > >>On March 09, 2000 at 14:16:30, Dann Corbit wrote: >> >>>On March 09, 2000 at 14:14:26, Tom Kerrigan wrote: >>>[snip] >>>>I think SMP with Athlons will be extremely cool, because they are cheap. I also >>>>think the bus design is better for SMP, but I might be wrong. >>> >>>IIRC, some of the early Athlon chips did not have SMP support (although I know >>>it was planned). Has it been added? Have SMP Athlon machines been released? >> >>I don't know of any changes to the Athlon since its introduction. >> >>I remember reading that the Athlon has SMP support, but I can't remember where. >>It makes sense, though, because many of the people who designed the Athlon also >>worked on the PA8000 and the 21264, which have SMP support. >> >>I also think one of the main reasons AMD decided to go with the EV6 (?) bus is >>because it has inherent advantages for SMP. >> >>-Tom > > >EV6 is both good and bad. Good for performance. bad for price. it is a 256 >bit bus. Which is not cheap, from a memory point of view... > >Supposedly the athlon is pin-compatible with an alpha, at least that was the >original promise, so the el-cheapo machine could be built based on the athlon, >but when performance was needed, the athlon could be replaced with a real >21264 (or higher) alpha chip to really go fast. The athlon is pin-compatible as promised but it is "not electrically compatible" with the alpha processors , as it was said since the biginning of the developpement of the Athlon. According this, there's NO motherboard where could plug an athlon or a alpha, and I bet there will be not one, because the 2 products don't target the same users : Ahtlon for home/office automation and Alpha for workstations/research computers/university Best regards, Vincent Lejeune
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