Author: Robert Hyatt
Date: 15:01:28 03/12/00
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On March 12, 2000 at 17:03:53, Tom Kerrigan wrote: >On March 11, 2000 at 09:01:19, Vincent Lejeune wrote: > >>>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 > >I was pretty sure that pin-compatible meant electrically compatible. Otherwise >AMD wouldn't make such a big deal about having processors that are >pin-compatible with Intel. The whole deal with the AMD 486, K5, etc. was that >they could be dropped into Intel mobos. > >I was also pretty sure that one of the reasons why the Athlon uses the EV6 bus >is to make EV6 hardware cheap, so Alpha systems would become cheaper, and people >would buy lots of Alphas to upgrade their Athlons... > >-Tom That was my original thought/hope when I first saw the AMD announcement on EV6 compatibility. I can't imagine a cpu chip that is compatible with the EV6 but which won't replace an alpha or vice-versa... IE both plug into the same socket, interface with the same bus. Would seem (to me) that they would both be compatible replacements for each other...???
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