One GPU of a 5 GPU rig gets too hot.
Tags:
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GPUs
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Graphics Cards
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Sapphire
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Motherboards
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Graphics
Last response: in Graphics & Displays
Majidak
May 10, 2014 1:20:57 AM
Hi,
I have a mining rig with 5x Sapphire Dual-X R9 280X. They are all the same model and all of them have the same air flow, They are not in a case, but in an open air frame. One of them gets too hot. I changed the place of it, changed the motherboard slot, changed its riser, its power cables, the problem still exists. I think the GPU itself has a problem. All of them has the same voltage. Is something wrong with its cooling system? How can i fix that?
Here you can see an image of the rig. I'm talking about the second one from left :
http://s27.postimg.org/nreb6552r/fgdfg.jpg
PSU: 2x 850W Corsair
Motherboard: MSI Z77a-GD80
CPU: Celeron 1620
Ram: Kingston 4GB
OS: Ubuntu 14.04
I have a mining rig with 5x Sapphire Dual-X R9 280X. They are all the same model and all of them have the same air flow, They are not in a case, but in an open air frame. One of them gets too hot. I changed the place of it, changed the motherboard slot, changed its riser, its power cables, the problem still exists. I think the GPU itself has a problem. All of them has the same voltage. Is something wrong with its cooling system? How can i fix that?
Here you can see an image of the rig. I'm talking about the second one from left :
http://s27.postimg.org/nreb6552r/fgdfg.jpg
PSU: 2x 850W Corsair
Motherboard: MSI Z77a-GD80
CPU: Celeron 1620
Ram: Kingston 4GB
OS: Ubuntu 14.04
More about : gpu gpu rig hot
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Reply to Majidak
that point of the case is accumulating the most heat, and is clearly the hottest spot.
I am assuming this is the card second from the top? that is the hottest spot
You may have to go to liquid cooling, or get a huge fan right at the side of the case, which you may have to cut out yourself. If not, liquid cooling on just that card.
I am assuming this is the card second from the top? that is the hottest spot
You may have to go to liquid cooling, or get a huge fan right at the side of the case, which you may have to cut out yourself. If not, liquid cooling on just that card.
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Reply to unknownofprob
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gamerguy319
May 10, 2014 12:53:50 PM
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Reply to KevinAr18
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Majidak
May 11, 2014 3:14:08 AM
gamerguy319
May 11, 2014 9:19:18 AM
one of the easiest ways to do this is just to take like a wire shelf and, and flexible risers. use wire of some sort to mount the gpu's to the wire shelf and then use the riser cards to attach them to the mobo
http://openrigs.com/image/data/IMG_3078CFLATFS.jpg
functionally similar to this.
http://openrigs.com/image/data/IMG_3078CFLATFS.jpg
functionally similar to this.
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Reply to gamerguy319
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Majidak
May 12, 2014 4:36:44 AM
gamerguy319 said:
one of the easiest ways to do this is just to take like a wire shelf and, and flexible risers. use wire of some sort to mount the gpu's to the wire shelf and then use the riser cards to attach them to the mobohttp://openrigs.com/image/data/IMG_3078CFLATFS.jpg
functionally similar to this.
My rig is just like the picture. Thanks anyway.
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Reply to Majidak
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Majidak
May 12, 2014 4:40:04 AM
Majidak
May 12, 2014 7:31:49 AM
1. Create your own ducting system over each video card fan so it blows it air upwards instead of onto the next video card. This way, each video card won't be using the hot air from the previous card. ... or if the fans pull in air, that's a tad more difficult. You may be able to put plastic separaters between each card to isolate the hot air from each ... then have some fans blowing on all of them.
2. If that doesn't work, add one or more fans to cover the other video cards; right now the fan focuses most of it's air on the first few cards.
3. Your power supply fans might be blowing hot air onto the last few video cards. Reposition the power supplies so they don't blow onto the video cards.
4. Also, I noticed that the entire system seems to be in a rather enclosed area. The ideal setup would be to have the fans drawing in air from outside the enclosure (cool air) and then blowing that air across the video cards out of the enclosed area. This could be done by positioning the fans on one side of the video cards, blowing across them... then opening up both sides so it can pull in air on one side and let air out the other. Optionally, if the video cards are high enough, maybe you can put all the fans below them and blow the air upwards ... but you will need to make sure there is cool air intake down low for the fans to pull air from.
2. If that doesn't work, add one or more fans to cover the other video cards; right now the fan focuses most of it's air on the first few cards.
3. Your power supply fans might be blowing hot air onto the last few video cards. Reposition the power supplies so they don't blow onto the video cards.
4. Also, I noticed that the entire system seems to be in a rather enclosed area. The ideal setup would be to have the fans drawing in air from outside the enclosure (cool air) and then blowing that air across the video cards out of the enclosed area. This could be done by positioning the fans on one side of the video cards, blowing across them... then opening up both sides so it can pull in air on one side and let air out the other. Optionally, if the video cards are high enough, maybe you can put all the fans below them and blow the air upwards ... but you will need to make sure there is cool air intake down low for the fans to pull air from.
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Reply to KevinAr18
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A lot of the suggestions here are saying that the problem is likely caused from where the card is positioned. If you guys read the OP, he said it's hot no mater where he puts it.
I think this is a problem with the GPU. You could try taking the cooler off of it and replacing the thermal paste, which could avoid having to send it in.
I think this is a problem with the GPU. You could try taking the cooler off of it and replacing the thermal paste, which could avoid having to send it in.
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Reply to Kekoh
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Uzair Siddiqi
May 12, 2014 1:19:12 PM
Kekoh said:
A lot of the suggestions here are saying that the problem is likely caused from where the card is positioned. If you guys read the OP, he said it's hot no mater where he puts it.I think this is a problem with the GPU. You could try taking the cooler off of it and replacing the thermal paste, which could avoid having to send it in.
Oh good catch. Yeah, in that case, definitely looks like a problem with that particular card.
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Reply to KevinAr18
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Majidak
May 13, 2014 3:20:42 AM
KevinAr18 said:
1. Create your own ducting system over each video card fan so it blows it air upwards instead of onto the next video card. This way, each video card won't be using the hot air from the previous card. ... or if the fans pull in air, that's a tad more difficult. You may be able to put plastic separaters between each card to isolate the hot air from each ... then have some fans blowing on all of them.2. If that doesn't work, add one or more fans to cover the other video cards; right now the fan focuses most of it's air on the first few cards.
3. Your power supply fans might be blowing hot air onto the last few video cards. Reposition the power supplies so they don't blow onto the video cards.
4. Also, I noticed that the entire system seems to be in a rather enclosed area. The ideal setup would be to have the fans drawing in air from outside the enclosure (cool air) and then blowing that air across the video cards out of the enclosed area. This could be done by positioning the fans on one side of the video cards, blowing across them... then opening up both sides so it can pull in air on one side and let air out the other. Optionally, if the video cards are high enough, maybe you can put all the fans below them and blow the air upwards ... but you will need to make sure there is cool air intake down low for the fans to pull air from.
Even though they won't solve the problem of that particular GPU, but they are all good points that I should consider. Thank you!
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Reply to Majidak
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Majidak
May 13, 2014 3:24:25 AM
Kekoh said:
A lot of the suggestions here are saying that the problem is likely caused from where the card is positioned. If you guys read the OP, he said it's hot no mater where he puts it.I think this is a problem with the GPU. You could try taking the cooler off of it and replacing the thermal paste, which could avoid having to send it in.
That's right.
Maybe I'll try the thermal paste idea. Thanks.
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Reply to Majidak
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gamerguy319
May 13, 2014 6:13:36 PM
I agree With RobCrezz on that one. I've not actually done this but ive heard on bare chips like GPU's (and also laptop CPU's) you'll want to pre spread the thermal paste on the chip because you don't want to leave ANY of it untouched. and make shure the paste you use is NON CONDUCTIVE. if any spills out around the chip you risk destroying the card. also pay careful attention to only have a paper thin layer on the die. but other than good luck
here is a link detailing the process:
http://linustechtips.com/main/topic/10418-how-to-change...
here is a link detailing the process:
http://linustechtips.com/main/topic/10418-how-to-change...
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Reply to gamerguy319
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gamerguy319
May 15, 2014 8:45:26 PM
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Reply to i7Baby
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gamerguy319
May 16, 2014 1:20:35 PM
Best solution
Majidak
May 22, 2014 6:48:57 AM
gamerguy319 said:
I agree With RobCrezz on that one. I've not actually done this but ive heard on bare chips like GPU's (and also laptop CPU's) you'll want to pre spread the thermal paste on the chip because you don't want to leave ANY of it untouched. and make shure the paste you use is NON CONDUCTIVE. if any spills out around the chip you risk destroying the card. also pay careful attention to only have a paper thin layer on the die. but other than good luck here is a link detailing the process:
http://linustechtips.com/main/topic/10418-how-to-change...
Thank you guys for your responses, especially gamerguy319. I haven't done thermal paste replacement yet, but i'll do that soon.
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Reply to Majidak
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gamerguy319
May 22, 2014 7:32:46 AM
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