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Politics : Formerly About Advanced Micro Devices
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To: Tenchusatsu who wrote (45641)1/12/1999 7:29:00 PM
From: Ali Chen  Read Replies (2) of 1573716
 
Tench, <Ali, you have the references right, but then you twist what the manuals say>
I twist nothing. The old synchronous bus
technology just does not work at high frequencies
at full speed. That's why the FULL CLOCK setup time
is necessary to make it work.
Once again: the same control/address signal
on Pentium-II bus cannot switch at every
clock as the definition of a "full" clock
rate would require; it can be changed at the second
clock only, or TWO TIMES SLOWER than the clock
rate. Therefore I coin it as 1/2 bus speed. As you
see, nothing has been "twisted" here, just
broader view on the subject.
Therefore I endorse the "latched bus protocol"
as a work around the problem, not a innovative
engineering solution. Sorry.

<Now tell me why I am incorrect in saying
that the K7 bus is 100 MHz double-pumped.>
Huh? Do not pretend to be a innocent sheep!
You perfectly know that you have said
something VERY DIFFERENT:
"Actually, the K7 bus is a 100 MHz double-pumped bus.
That means that the requests, snoops, and other
protocol stuff occurs at 100 MHz. ...
So, ... the 200 MHz clock really
does apply only to the throughput".
Within the context of your discussion
this alludes to some inferiority of
K7 as compared to "Full-speed"
super-duper Pentium-II-III bus.

I just can tell you that the "double-pumped"
does not necessary mean that the requests
"and other protocol stuff" are
"single-pumped". Actually you are wrong three
times in your statement above;) Your
second inaccuracy is "bus", and
the third is "100".

Was this civilized enough?
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