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Politics : Formerly About Advanced Micro Devices
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To: Elmer who wrote (33652)6/29/1998 2:43:00 PM
From: Ali Chen  Read Replies (2) of 1583693
 
<#1 Split transaction bus protocol. Mainly for multi
processor systems.>

-- Technical BS. With current packaging technology,
your multiprocessor systems are much more expensive
and never will be in home/business PC. There is
not too much to split in these interactive PCs.
Therefore, your "multiprocessor" argument does not
work.

Have you ever seen a Winstone or BAPCO sysmarks for
a multi-processor system? Let me know if you find one.

<#2 Far better electrical characteristics of the GTL+
buffers make scaling to higher frequencies much easier.>

How far? Do you ever understand what you are talking
about? While 0.5-1.6 GTL swing is somewhat smaller
than classical 0.4-2.0 swing, do you realize that
the smaller signals are more susceptible to bus
bouncing noise and signal reflections?

Higher frequencies... do you know the reason why the DEC
EV6 bus is not exactly a bus but rather a point-to-point
connection to a bridge with a cross-switch circuitry?
Because the classical bus topology does not work anymore
for real high-frequency intercommunications between
processors distributed over a mainboard. For
this reason the Intel Slot1/2/m "bus" has no future,
just for this technical reason. That's why you see
the Slot1 is fading out, 4 processor limitations,
etc., etc.

Bye, "expert".

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