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H110 BTCPro+ does not recognize more than 1 GPU

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jsam2018 View Drop Down
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    Posted: 15 Sep 2018 at 1:23am
Hello,

despite all my tries and efforts, my brand new H110 BTC+ pro mobo does not recognize more than 1 MSI GTX1060 GPU.
I am running Ubunutu 18.04 LTS, latestd Nvidia drivers, GPUS are mounted on risers.
Power supply is 1000 W and I want to put 4 of those cards for a mining rig.

I carefully followed all the cabling instructions, BIOS looks OK ... only 1 GPU is recognized.
I tried to swap GPU's, risers, same result.

Am I missing something here ?

Thanks,
Jacques
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Animalm4st3r View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Animalm4st3r Quote  Post ReplyReply Direct Link To This Post Posted: 15 Sep 2018 at 2:07am
SO you installed 2, 4 pin molex connectors?
And more info please what riser cards are u using?
Did u use the Correct PCI Ports?
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jsam2018 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsam2018 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Sep 2018 at 4:49pm
Hi
yes, i did install 2 4 pins molex, one on the card one on the riser (is that what you mean ?)

About the riser cards I am using, they look pretty standard indeed, bought them on amazon (https://www.amazon.fr/YIKESHU-Riser-Powered-Adapter-Extension/dp/B072Q29937).
Not that I powered the riser directly from my Power Supply, same power supplies also powers the GPU.
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jsam2018 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jsam2018 Quote  Post ReplyReply Direct Link To This Post Posted: 16 Sep 2018 at 8:45pm
Fixed !!

this was a riser problem ... maybe mixed with a driver issue ?
I purged all the drivers and nvidia stuff, reinstalled the ppa and reinstalled the drievrs anew.

Then, i had to put a new riser as it firstly was still not recongnized. Then I gradually put all
my cards.
Now they are all recognized  SmileSmile
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sx51 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sx51 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 2018 at 12:30am
Hello Jacques, I got exactly the same difficulties with a brand new H110 Pro BTC+, the Motherboard detected 2x MSI R9 390X and when i connected the third the MB squezzed the previous detection and no one gpu is in the perepheric manager.
Any idea what should i do because i followed the strategy you was used and solved your problem but on my side that wasn't worked at all ?JL
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