Acolyte of the Butterfly
Posts: 142 from 2003/12/27
From: Germany
Hello!
My post did address the concerns about price and
availability of technology/chips for assembling a
Pegasos with the specs i introduced earlier. I think i showed that it could be done with (cheap)standard parts.
And we would not lack behind "other" platforms. For the DDR II thing no known parts for me, so no mention of it. Maybe the DDRII controller will be integrated in the PPC?!?
Quote:
Not necessarily. There are alternative DDR concepts, including a *wider* DDR bus, 128-bits rather than 64-bits. (So you'd have to double-bank things)...There is also DDR-II technology as well, don't forget.
The double Bank thingy is Dual Channel DDR. Ok I know this under this name.
Got this in my Nforce 2.
Quote:
Why? AGP 8x is already a technology 2 gens behind, slower than PCI-X 2.0 as well as PCI-Express and Hypertransport.
Why? Because i have not seen any consumer PCI-X/PCI Express or HT graphics card.
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If your AGP 1x can maintain 1x speeds constantly, while your 8x is fluctuating wildly, guess which one will be faster in the end?
"If" the 8x link is always fluctuating at over >1x speed then the 8x thingy.
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Ever checked out the latency there? With 4x the potential performance of the AGP 2x card I run on my Athlon, it gets only 5% higher performance. The latency of this arrangement is absolutely horrible, eating up any potential.
No i did not check the latency. AGP 8x is "standard" nowadays so i chosed it as a minimum
standard for a Board with a unknown release Date.
I don't know if i got your sentence right...First i thought your AGP 2x card did not take advantage of the 4x faster Bus of your computer...how should it? But then i formed the following out of it: You run your 2x card in a Pegasos 1x AGP and a PC 8x Bus?!
Maybe the slight (5%)speed increase is there because your Athlon is not fast enough to feed the GPU. (There is a nice read on Ars Technica about Playstation2 against PC that in some kind addresses your Phenomenon)
Maybe it is the latency, I don't know.
[hint]
Maybe bbrv can give us some hint how the Peg 3
will look like?
[/hint]