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[Official] NVIDIA GTX 780 Owner's Club - Page 746

post #7451 of 24852
That is with rev 1 bios of yours sky net and thank you so much, however rev3 has made me down clock it to +600 on memory although same clocks for core clock as rev1.

With stock bios at 1,200v I can get memory to 600 is well same as rev3 however rev 1 had me 700+ on memory and unlocked the voltage to 1.21v

Thank you sky net once again, please don't take it the wrong way.
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post #7452 of 24852
Thread Starter 
Quote:
Originally Posted by MerkageTurk View Post

That is with rev 1 bios of yours sky net and thank you so much, however rev3 has made me down clock it to +600 on memory although same clocks for core clock as rev1.

With stock bios at 1,200v I can get memory to 600 is well same as rev3 however rev 1 had me 700+ on memory and unlocked the voltage to 1.21v

Thank you sky net once again, please don't take it the wrong way.

I'm not taking it tge wrong way.
You just did the right thing reporting this issue now with details. Wich bios you gpu was delivered to you?
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post #7453 of 24852
Sky net this is my default bios which was from the factory

80.10.37.00.80 (P2083-0020)
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post #7454 of 24852
Talk about making them cards screeeeeeeeeeeam for mercy!

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post #7455 of 24852
So what are your sli temperatures guys? Mine are hot but like I've said even in single my GPUs were already hot. I'm using the ACX SC.

For single temps at idle its 44C at load its 74C.

For sli temps, the card is 85C while the bottom is 70C. If I don't use my side exhaust fan then the temps go up to 88C and 73C.

I would love to try to add another space between my gpus but my sli bridge isn't long enough, I probably should have gone for a 3 way sli bridge for the length.

Again I'm guessing poor air flow although I have 9 case fans (4 intake in the front, 1 intake at the bottom, 2 exhaust at the top, 1 exhaust in the rear, and one exhaust on the side. I also have a huge NHD14 CPU cooler which I'm guessing doesn't help my temps at all (my GPU temps anyway).
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post #7456 of 24852
Oh yea my top card is at 82% fan curve at that temperature so setting 80% doesn't help and I'd rather not set 100% due to noise. Sorry about the double post, it glitched out.
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post #7457 of 24852
Quote:
Originally Posted by voozers View Post

Oh yea my top card is at 82% fan curve at that temperature so setting 80% doesn't help and I'd rather not set 100% due to noise. Sorry about the double post, it glitched out.

My cards at 1212mv max temps are 72C for the top card and 69C for the lower card.
At stock bios and voltages the top one hardly goes over 65C

I Have four 140mm aerocool shark fans on the side panel blowing cold air INSIDE the case, so the card's fan breathes cold air fed directly to their mouth.
My case have an adjustable fan controler, so I usually set them pretty low, and only increase their speed to about half max (which is 1800RPM) during hard benchmarking or very stressfull games like Metro.

Also I have one slot between the cards with a simple SLI bridge.

And last but not least, I have set the fan profiles so that they are at 100% when the temps reach 70C, which only ocurs while benching anyway...


You MUST have a very well ventilated case to have good temps on air.
I friend who bought my old GTX 580 about a year ago, said that his temps were reaching 93C and above, amking the GPU to throttle.

I said him, just to make a test to remove the side panel and it droped to 78C!!

You must keep in mind that these cards are very high TDP, You must feed them COLD air and also recicle the hot air they throw inside the case.

If you have reference cards though, they almost don't throw hot air on the case so its easyer to handle. But you must feed them cold air anyway.


I have even custom made a sheet of plastic to direct the hot air coming out of the cases's hear towards the door of my room, so the side panels don't breath it. It improved my GPU temps in 3C!
post #7458 of 24852
Quote:
Originally Posted by tiaolipa View Post

My cards at 1212mv max temps are 72C for the top card and 69C for the lower card.
At stock bios and voltages the top one hardly goes over 65C

I Have four 140mm aerocool shark fans on the side panel blowing cold air INSIDE the case, so the card's fan breathes cold air fed directly to their mouth.
My case have an adjustable fan controler, so I usually set them pretty low, and only increase their speed to about half max (which is 1800RPM) during hard benchmarking or very stressfull games like Metro.

Also I have one slot between the cards with a simple SLI bridge.

And last but not least, I have set the fan profiles so that they are at 100% when the temps reach 70C, which only ocurs while benching anyway...


You MUST have a very well ventilated case to have good temps on air.
I friend who bought my old GTX 580 about a year ago, said that his temps were reaching 93C and above, amking the GPU to throttle.

I said him, just to make a test to remove the side panel and it droped to 78C!!

You must keep in mind that these cards are very high TDP, You must feed them COLD air and also recicle the hot air they throw inside the case.

If you have reference cards though, they almost don't throw hot air on the case so its easyer to handle. But you must feed them cold air anyway.


I have even custom made a sheet of plastic to direct the hot air coming out of the cases's hear towards the door of my room, so the side panels don't breath it. It improved my GPU temps in 3C!

I see. The hotter fan temperatures where is 88C is actually with the side panel off. I'm hesitant to blow air against the cards from the side because the way it exhausts heat on the ACX cooler is towards the side panel so blowing fresh air in that way seems counter productive. My fans are 1200 RPM except for the side fan which is 2000 RPM. I'm only feeding cool air from 5 fans.
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post #7459 of 24852
This is my latest 3D Mark11 score using a single Galaxy GTX 780 HOF, please note the +0 Memory Offset, my score actually decreased as I tried to add memory. http://www.3dmark.com/3dm11/7009241

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post #7460 of 24852
EVGA Reference sli is running at around 72-73 on load for both cards.
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