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3x Saphire R9 280x crash, 511c Temp!!

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  • Graphics
Last response: in Graphics & Displays
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January 12, 2014 3:09:16 AM

Hello

just got my self a 3x sapphire 280x dual-x and a PSU thermaltake 1200w gold
at high load when temps reach 80-84c suddenly the screen freeze and cant do anything other than hard reboot the PC.

when i try to run each card individually i see no problem or crashes which make it impossible for me to identifey the problem
tried to downclock my cards from 1020mhz to 870mhz at lower voltage 1.0v, and it was fine till 4 hours later when its crashed again the same way.
some times when the crash accure, one of the card (mostly the problem because of it) suddenly its temp change from 84~ to 511c, which its not for real a 511c otherwise ill had the meat ready for a BBQ, and have seen few posts claiming they have same problem, didnt find a fix in these threads.

at some point i remember the problem solved by its self then later i was adjusting the case fans and re installing them in different location inside the case, then after i powered my PC the problem came back again, and this problem are driving me crazy, cant understand a thing about what happening exactly.

tried flashing diffrent bios
tried clean install my drivers, tried both 13.11 beta and 13.12.
tried disabling ULPS
tried enabling constant voltage to GPU

my PC spec:
i5 3570k
Sabertooth z78
PSU: Thermaltake 1200w gold
16gb RAM 2133Mhz

More about : saphire 280x crash 511c temp

January 12, 2014 3:26:29 AM

why in the heaven you want 3 beast gpus at the same time, for what? just use one and be done with it.
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January 12, 2014 3:34:26 AM

Why i use 3 is my own business for my own reasons, am not here to discuss this with you.
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January 12, 2014 4:18:51 AM

is my problem this hard? :/ 
wished to get a fix much faster
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January 12, 2014 4:22:14 AM

Try 2, 3 may be getting too hot causing driver crashes.

Also, can't you use 2 instead of 3? You get only 10% increase in performance for the 3rd card.
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January 12, 2014 4:25:36 AM

it seems like your cooling is insufficient, as Tzn mentioned, these cards are really powerful and produce loads of heat, but I am sure you are aware of that. I would force the fans to run on 60% and see if that helps/delays it
And if you have 511c on your top card then do not BBQ , I would rather melt some iron there :) 
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January 12, 2014 4:27:02 AM

melt solder, rather -- iron melts at 1537 C. Solder at 200 C. Also, printer toner also at 200 C.
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January 12, 2014 4:27:52 AM

its kinda getting too hot, this can cause the screen to freeze nothing moving in it?, honestly i prefers to use the 3rd one, these 10% wasn't cheap :(  , did cost me over 400$
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January 12, 2014 4:33:20 AM

Nefos said:
it seems like your cooling is insufficient, as Tzn mentioned, these cards are really powerful and produce loads of heat, but I am sure you are aware of that. I would force the fans to run on 60% and see if that helps/delays it
And if you have 511c on your top card then do not BBQ , I would rather melt some iron there :) 


did run my fans at 100% and with slight downclock its will run at 90c~
also having all my case fans @ 100%, tried using a room fan with over 400CFM to blow at these cards, these cards produce some high heat, i had to keep my room window open the whole time, i dont want it to become like a sauna in there.
its just .. uncontrollable ..
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Best solution

January 12, 2014 4:39:02 AM

do you have a bottom fan installed? the cards actually drops the heat into the case, and they heat themselves, so you should have a very good cooling system. if you can add a bottom intake fan as well, and push air to the cards from the side, and around the cpu make them exhaust mode, so the cool air will come in from the front, bottom, and directly to the GPUs and the hot air can leave on the top
Also check your cable management, it can prevent airflow as well
I would try to run it with no sidepanel, and high fans on the gpus just to see if it really the cooling
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January 12, 2014 5:12:50 AM

If air cooling is the problem and it's not helping, you'd want to get a watercooling system for your GPU's.
Running GPU's at those kind of temps really isn't healthy and may cause the cards to prematurely die out.
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