GTX 660Ti & GTX 660 in one PC
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Graphics cards (GPUs) :
GTX 660Ti & GTX 660 in one PC
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 GreenbanditSend message Joined: 28 Aug 09 Posts: 7 Credit: 497,336,914 RAC: 0 Level  Scientific publications    
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Can anyone tell me if I am going to get errors if I use two different GPUs in one PC? I do not know if I need to worry about tasks starting one one GPU, getting paused so another project can run, then starting on the other (different) GPU. 
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Send message Joined: 28 Jul 12 Posts: 819 Credit: 1,591,285,971 RAC: 0 Level  Scientific publications
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I used to run GPUGrid on a GTX 660 and a GTX 650 Ti on the same motherboard with no particular problems. It is possible that if you reboot, then a work unit might jump from one card to another, but that was not a problem for me even if it did. If you simply want to pause a card, then enable "Leave applications in memory while suspended" and I don't think you will have a problem. |
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Send message Joined: 3 Sep 14 Posts: 152 Credit: 918,557,369 RAC: 21 Level  Scientific publications 
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Nothing to be worried about :) |
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Greenbandit Send message Joined: 28 Aug 09 Posts: 7 Credit: 497,336,914 RAC: 0 Level Scientific publications
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Nothing to be worried about :) I used to run GPUGrid on a GTX 660 and a GTX 650 Ti on the same motherboard with no particular problems. It is possible that if you reboot, then a work unit might jump from one card to another, but that was not a problem for me even if it did. If you simply want to pause a card, then enable "Leave applications in memory while suspended" and I don't think you will have a problem. Thanks for the comments. I think the problems were caused by one of the cards - it totally failed a few days later & since then a GTX660 & a (previously retired) GTX570 have been playing together just fine. :-)
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