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Title: 4x5830 Rig - always 1 gpu idling after starting mining Post by: cam02003 on July 19, 2011, 08:25:24 PM After I fire up phoenix on my 4gpus, 1 gpu will always stop mining and idle while the other 3 work properly. The miner stops loading work while the other 3 miners continue load new work.
What is causing this and how can I fix it? phoenix flags: worksize=256 VECTORS BFI_INT AGGRESSION=6 Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: 1.21gigawatts on July 19, 2011, 10:31:06 PM overclock less, if not overclocked increase fan speed
Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: bigcoiner on July 20, 2011, 06:27:52 PM Did you fix the issue?
What systems are you using? I just set up a rig with 4 x 5830 on Win 7, 64bit using guiMiner and one of the GPUs won't connect to the pool. If I stop a GPU, then I can connect the one that was not connecting. I am using 1000W power supply. Is that enough to run 4x 5830s? Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: hmblm1245 on July 20, 2011, 06:57:42 PM I am using 1000W power supply. Is that enough to run 4x 5830s? I am using a 1000watt psu for 4x 5830s fine but i have a another for the cooling system 8 fans. It should be fine to say 300watts for the mobo and 200watts for each card but that is over kill with overvolting and overclocking 300watts(mobo) +200watts x4(5830s)=1100watts to be 100 percent safe i would lean towards the 1200watt psu to power everything. Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: sven on July 21, 2011, 01:13:27 AM if your psu isn't powerful enough you'd get crashes and/or power losses
so that can't be it if one gpu simply idles Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: bigcoiner on July 21, 2011, 05:35:56 PM Okay, I got them all to work. It's not b/c of enough power. It's b/c they are placed so close to one another it's causing some kind of short. I have to put a plastic piece between the cards and all is working now.
Title: Re: 4x5830 Rig - always 1 gpu idling after starting mining Post by: cam02003 on July 21, 2011, 09:17:26 PM My 850watt psu might be the issue. downclocked from 1000 to 960 and all 4 cards are running stable now.
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