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could 6-way sli be possible if drivers allowed - Page 2

post #11 of 25
Well unless I mis-read it he wants to find a way to use actual 6-way SLI, which would not involve Hydra technology since that's not SLI.
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post #12 of 25
Software limitations. Even if you stuck six 580's, with SLI bridges and all, the OS would still only see four. Folding is another story...
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post #13 of 25
Quote:
Originally Posted by jellis142;13339209 
Software limitations. Even if you stuck six 580's, with SLI bridges and all, the OS would still only see four. Folding is another story...

my question is, why is there a software limitation?
post #14 of 25
Quote:
Originally Posted by Mr.Pie;13339247 
my question is, why is there a software limitation?
Because it's pointless. The scaling would be HORRIBLE, you'd probably hardly see the slighest gain in performance from such a setup, plus the power it would draw. There's really no demand for 6 way SLI/CF, hence why they won't bother putting resources into it.
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post #15 of 25
Quote:
Originally Posted by Stefy;13339265 
Because it's pointless. The scaling would be HORRIBLE, you'd probably hardly see the slighest gain in performance from such a setup, plus the power it would draw. There's really no demand for 6 way SLI/CF, hence why they won't bother putting resources into it.

then heres another stupid question rolleyes.gif

why can't scaling be improved anymore? (<20%) Why is scaling never 100%?
post #16 of 25
Quote:
Originally Posted by Mr.Pie;13339273 
then heres another stupid question rolleyes.gif

why can't scaling be improved anymore? (<20%) Why is scaling never 100%?
I answered it. There's simply not a big enough demand for it.

Companies doesn't invest in technology they know won't be utilized widely enough to make it profitable.
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post #17 of 25
Quote:
Originally Posted by Mr.Pie;13339247 
my question is, why is there a software limitation?

There are a 1001 reasons.

No demand for it.
Software needs to be more complicated.
Motherboard needs to support it.
Not enough PCIE lanes for this to work without limitations.
Heat issue with so many cards.
CPU limiting the setup.
Game engines need to support it.

And so on and so on.

Unless you can convince the GPU makers, aka nvidia or amd to make it so, they will not unless a new technology is being made to actually make it work.
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post #18 of 25
Quote:
Originally Posted by Defoler;13339367 
There are a 1001 reasons.

No demand for it.
Software needs to be more complicated.
Motherboard needs to support it.
Not enough PCIE lanes for this to work without limitations.
Heat issue with so many cards.
CPU limiting the setup.
Game engines need to support it.

And so on and so on.

Unless you can convince the GPU makers, aka nvidia or amd to make it so, they will not unless a new technology is being made to actually make it work.

fair enough.....smil3dbd4e4c2e742.gif
post #19 of 25
This comes to my mind: Octa-SLI (four 7950GX2) back in 2006

Link:http://www.tweaktown.com/news/5814/2_x_nvidia_quad_sli_when_four_gpu_s_is_not_enough/index.html
post #20 of 25
I think the limitation here lies with Windows. Remember how you can't run quad-SLI on Windows XP, only Tri-SLI? Well, I think the gpu limit w/se7en and Vista is 4 (when running sli/xfire, i.e. all working on an image generated by a single application).

If MS makes the next version of Windows able to support 6 gpu's all working on an image generated by a single application, I'd imagine that AMD/nV would try to take advantage of the capability on the hardware side.
    
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