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noob question: SLI & high temperature throttling

post #1 of 4
Thread Starter 
my top card runs about 10-15C higher than the bottom card while gaming.

GPU1 and GPU2 load profiles are almost identical until GPU1 temps hit 100C, at that point GPU1 load maxes out 100% while GPU2 does not.

with a lower overclock temps never reach 100C, and the load profiles are always equal.

GPU1 is getting throttled, correct?
yunojelly
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yunojelly
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post #2 of 4
If your cards are reaching 100c there is somethign majorly wrong with your case air flow. Wit TwinFrozr II's you shouldn't be reaching anywhere near those temps. Yes your GPU is probably throttling just to keep cool.

Does it do this in every game? If not it may just not be a correct GPU SLI Profile, I've had it where some games do not utilize GPU #2 at 100%

Again though - no reason they should be reaching any where near that temp, your motherboard has proper spacing, and the case SHOULD be able to have decent airflow, something is wrong with your airflow.
Edited by appleg33k85 - 4/18/11 at 7:06am
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post #3 of 4
100C?? You need to get some more air to those cards! That's just too high.
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post #4 of 4
Thread Starter 
only the top card reached 100C, but not anymore because i lowered the overclock.

at 900/1.025 it stays below 80C, 930/1.050 below 90C

already purchased 3 nicer case fans (2 noiseblocker PK-3 for intake and 1 noctua P14 for top exhaust), will install this weekend, also plan to do something like this with the old fans: http://www.overclock.net/nvidia/9900...ling-560s.html
Edited by dealio - 4/18/11 at 7:14am
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yunojelly
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