simonm Posted October 31, 2014 Share Posted October 31, 2014 Hi all I followed dimitris guide on PCfoo and i have combined a gtx 780 evga 6gig and my old quadro4000. I have noticed some weird things happen: GPU temp on quadro goes as high as 88 degrees celcius (idle) and at times causing the displays to go black (reboot required). It then fluctuates down to 61 degrees at idle. when i plug in the display port cord in quadro, it works fine, but when i also plug in the DVI cord to the second slot of the quadro, the temperature rises quickly - weird. So at the moment i have the main monitor plugged into the quadro and the dvi plugged into the gtx 780. any ideas? Link to comment Share on other sites More sharing options...
numerobis Posted October 31, 2014 Share Posted October 31, 2014 (edited) Can you check the clock speed, maybe it is not clocking down in idle mode. There have been some problems reported in the past with SLI setups like here:http://forums.evga.com/GTX-780-SLI-wont-downclock-when-idle-m2071425.aspx And the second thing is that it is possible that the card doesn't clock down in idle mode when you add a second monitor. I don't know if there is a fix for this behaviour but i read about it some time ago. If that is not the case it seems that some airflow optimization is needed. I think then we need some more information about your case and setup. The Quadro 4000 is a lower clocked GTX480 with 142W max. The GTX has 250W max. How much space is left between the two cards? What is the temp of the GTX? Is the GPU fan running at full speed under this heat - maybe the quadro is set to silent from the time before the GTX was build in? Case? Fans? Some basic considerations... http://www.tomshardware.com/reviews/cooling-airflow-heatsink,3053-11.html Edited October 31, 2014 by numerobis Link to comment Share on other sites More sharing options...
simonm Posted October 31, 2014 Author Share Posted October 31, 2014 Thanks for the response. A screenshot is attached of the GPU monitor. I went even as far as pulling it apart and cleaning it out and replacing the thermal paste. still no luck. The temp below is with the GTX 780 pulled out. So thats the quadro on its own. My set up and case is: i7 4930k 32 gig ram x79 sabertooth nh-d14 fans 1000watt cooler master 80lpus thermaltake Chaser A71 LCS Full Tower Heres a snapshot of inside my case - the blue circle is where i usually have my gtx780 Can you check the clock speed, maybe it is not clocking down in idle mode. There have been some problems reported in the past with SLI setups like here:http://forums.evga.com/GTX-780-SLI-wont-downclock-when-idle-m2071425.aspx And the second thing is that it is possible that the card doesn't clock down in idle mode when you add a second monitor. I don't know if there is a fix for this behaviour but i read about it some time ago. If that is not the case it seems that some airflow optimization is needed. I think then we need some more information about your case and setup. The Quadro 4000 is a lower clocked GTX480 with 142W max. The GTX has 250W max. How much space is left between the two cards? What is the temp of the GTX? Is the GPU fan running at full speed under this heat - maybe the quadro is set to silent from the time before the GTX was build in? Case? Fans? Some basic considerations... http://www.tomshardware.com/reviews/cooling-airflow-heatsink,3053-11.html Link to comment Share on other sites More sharing options...
numerobis Posted October 31, 2014 Share Posted October 31, 2014 (edited) So... 0 MHz shouldn't be a problem... not sure why it is so high... http://www.techpowerup.com/gpuz/ Maybe the temp is also a read error, if it can't read out the clock rate... Edited October 31, 2014 by numerobis Link to comment Share on other sites More sharing options...
simonm Posted October 31, 2014 Author Share Posted October 31, 2014 heres a screeny of the techpowerup app i almost give up - ive been at it all day So... 0 MHz shouldn't be a problem... not sure why it is so high... http://www.techpowerup.com/gpuz/ Maybe the temp is also a read error, if it can't read out the clock rate... Link to comment Share on other sites More sharing options...
numerobis Posted October 31, 2014 Share Posted October 31, 2014 So it is not clocking down in idle mode. Is this using one or two displays? If two... please look if it makes a difference if you remove the second screen. Link to comment Share on other sites More sharing options...
simonm Posted October 31, 2014 Author Share Posted October 31, 2014 this is the screenshot with both on So it is not clocking down in idle mode. Is this using one or two displays? If two... please look if it makes a difference if you remove the second screen. Link to comment Share on other sites More sharing options...
numerobis Posted October 31, 2014 Share Posted October 31, 2014 If two... please look if it makes a difference if you remove the second screen. ? Link to comment Share on other sites More sharing options...
Zdravko Barisic Posted October 31, 2014 Share Posted October 31, 2014 Once, I also had similar expirience with Quadro4000, overheated with no reason why. Link to comment Share on other sites More sharing options...
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