Author: Robert Hyatt
Date: 19:42:10 03/12/00
Go up one level in this thread
On March 12, 2000 at 20:07:03, Vincent Lejeune wrote: >On March 12, 2000 at 18:01:28, Robert Hyatt wrote: > >>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...??? > >I've read the opposite in an article about the Athlon : The Athlon is "not >electrically compatible" with the alpha processors ! >Now, more investigation will confirm or annul this statement ... >I've no time to invest in this search but if someone could, he would bring the >truth >Thanks in advance ;) I will certainly look around to see what I can uncover...
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