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post #451 of 576
9 GX2s folding now with one more in transit shipping now.
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post #452 of 576
Quote:
Originally Posted by Tandem_Riders View Post
9 GX2s folding now with one more in transit shipping now.
:chee rs:

Hi guys, What is the maximum amount of GX2's you can stuff on a board? Is it OS limited? What is the Board of choice for max population? And what are the power requirements of such a rig?
post #453 of 576
Thread Starter 
updates: p
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post #454 of 576
Quote:
Originally Posted by Hueristic View Post
:chee rs:

Hi guys, What is the maximum amount of GX2's you can stuff on a board? Is it OS limited? What is the Board of choice for max population? And what are the power requirements of such a rig?
Seems like most everyone that is running several GX2s uses:

4X GX2s = 8 GPU cores

MSI K9A2 Platinum http://www.newegg.com/Product/Produc...82E16813130136

Minimal RAM and entry level Dual-Core CPU

I use PC Power & Cooling 750 with Toughpower VGA 650W http://www.thermaltakestore.com/toug...d-6500158.html

XP and no dummy plugs needed. I have one 4X rig with XP and one is running Win7.

I run caseless and I still have the covers on my GX2s and run hoods that I have built that cover the exhaust side of all 4 of the cards and air is pulled through with 2X Ultra Kazes. My temps run through the 60s (C), about 68c on 511s.

Power draw I think is around 1K from the wall for the system. Never really checked it to be for sure.
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post #455 of 576
Look for the thread with Nitelife's 'Milking Machine'.

6X PCIe board with 6X 295's. I think there were issues, not sure if it was the finicky 295s or what though.
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post #456 of 576
Quote:
Originally Posted by Tandem_Riders View Post
Seems like most everyone that is running several GX2s uses:

4X GX2s = 8 GPU cores

MSI K9A2 Platinum http://www.newegg.com/Product/Produc...82E16813130136

Minimal RAM and entry level Dual-Core CPU

I use PC Power & Cooling 750 with Toughpower VGA 650W http://www.thermaltakestore.com/toug...d-6500158.html

XP and no dummy plugs needed. I have one 4X rig with XP and one is running Win7.

I run caseless and I still have the covers on my GX2s and run hoods that I have built that cover the exhaust side of all 4 of the cards and air is pulled through with 2X Ultra Kazes. My temps run through the 60s (C), about 68c on 511s.

Power draw I think is around 1K from the wall for the system. Never really checked it to be for sure.
Quote:
Originally Posted by Tandem_Riders View Post
Look for the thread with Nitelife's 'Milking Machine'.

6X PCIe board with 6X 295's. I think there were issues, not sure if it was the finicky 295s or what though.
THX man, Been thinking about the future and This is the info I need.

I've been following Milkmen but it seems there are issues with the Mobo (or Os?) seeing the gpu's.

I'm sitting in the bleachers with you guys that can afford all the gx2's (not to mention all the other incidentals!) To Iron out the details. I just don't have the resources to get the hardware to try it. I will get the platform needed when ready and slowly add the gx2's(unless something better comes along in the meantime).
post #457 of 576
[duped]
Edited by k-y - 6/2/09 at 8:47am
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post #458 of 576
If you do want to go with a reasonably priced case that can accomodate 8 double-wide cards, then I've found 2 options and they're both from Antec:

* Antec Nine Hundred Two
- tons of ventilation options include a 200mm Big Boy exhaust on the top and a side exhaust fan that's perfect for exhausting the hot air from coverless GX2s
- the rubber grommetted holes in the back of the case designed for routing liquid cooling tubing is perfect for routing the extra power cable for the Tt VGA ToughPower supplementary PSU
* Antec Skeleton
- Super Big Boy 250mm fan that blows downwards, can be reversed to exhaust up
- expansion slots use this plastic retention bar that I'm not a huge fan of
- had to file down the right-most edge of the ABS case design in order for the 4th GX2 to fit properly

There's 2 other cases I have yet to try, not even sure they are readily available:

* Ultra m998
* Akasa Mirage 62

I have both motherboard tray and case style rigs in my farm ... and the motherboard tray style rigs might actually run cooler, but I haven't really had the chance to graph out the temperatures yet, it might be interesting to compare.
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post #459 of 576
I have a 9800gx2 thats just been sitting on my desk for a few weeks due to PSU problems my new kilowatt psu should arrive this friday!
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post #460 of 576
I am down to 5 now. I sold off 10 of them so far. I will keep these though.
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