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Re: Windows 7 PC Build
CV #282499 12/15/09 02:34 PM
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I'm curious to find out if the 4 GPU support of the 4, 16x PCIe 2.0 slots on this board includes the use of 2-chip cards. The GeForce GTX 295 claims to support Quad-SLI.

I'm going to see if I can get one set up at work. Supermicro does have a barebones config with a very nice case and a 1400 Watt PS.


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Re: Windows 7 PC Build
ClubNeon #282518 12/15/09 06:31 PM
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I'm sure it will do quad-SLI, but it sure ain't gonna do octo-SLI.


I am the Doctor, and THIS... is my SPOON!
Re: Windows 7 PC Build
Ken.C #282537 12/15/09 07:53 PM
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Oh, I see. When nVidia says, "Quad SLI", they mean dual, dual GPU boards. As up until now there's not been motherboards with 4, 16x PCIe slots.

But their SLI 2.0 spec does support 8+ GPUs. Wish I could find out if someone has tried this yet.

EDIT: Anyway, it doesn't matter for what I want to do. I'm looking for video compression using CUDA, not SLI for gaming. CUDA is fully supported on as many GPUs as you can get into a machine (found a mention of 12, and actual implementations of 8 GPUs: http://estoniadonates.wordpress.com/our-supercomputer/ ).

Last edited by ClubNeon; 12/15/09 08:15 PM.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: Windows 7 PC Build
ClubNeon #282540 12/15/09 08:14 PM
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Oh, there's definitely been boards out there--just not ones that would take 4 dual slot cards... Several of the high end X58 boards have 4 x16 slots (admittedly not electrical, but at least x8 for each).


I am the Doctor, and THIS... is my SPOON!
Re: Windows 7 PC Build
Ken.C #282542 12/15/09 08:21 PM
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See my edit above, if you haven't yet. But yeah, this board has enough room for dual-slot cards, and as the specs say: 4 PCI-e 2.0 x16, 2 PCI-e 2.0 x4 (in x8 slot), & 1 PCI slot (The x4 and old PCI get covered up when using 4 dual-slot cards though.)


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: Windows 7 PC Build
ClubNeon #282544 12/15/09 08:33 PM
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Now it makes sense! Hell, I don't know if there's a limit on CUDA.

Theoretically, I would guess that you can wedge 6 x16 slots on a board; probably not at x16 bandwidth or anything close, and you'd have to have water cooling or something, but it should work.


I am the Doctor, and THIS... is my SPOON!
Re: Windows 7 PC Build
Ken.C #282577 12/16/09 01:44 AM
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Gawd, you guys are inspiring.

Or scary. I can't decide.


bibere usque ad hilaritatem
Re: Windows 7 PC Build
tomtuttle #282755 12/17/09 03:18 PM
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Just have another beer Tom. Then after five or six, Google a tech blog and start randomly quoting it. That's what i do on audio forums.

Wait. What? Which forum am I on? DOH!!!!


With great power comes Awesome irresponsibility.
Re: Windows 7 PC Build
Murph #282758 12/17/09 03:29 PM
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Just showed up on a tech news site yesterday, a 13-GPU system: http://www.dvhardware.net/articles25_fastra_2_desktop_supercomputer.html


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: Windows 7 PC Build
ClubNeon #282774 12/17/09 04:56 PM
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13, tis bad luck. I would keep an eye on that system. \:\)


Jason
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