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Asking for some help before I toss it out in the mining shop.  I got the H110 pro BTc stable a couple days ago but a few of the cards have become really picky.

Setup is

cheap CPU
8g ram
2 1200 plat Psu
7 570 4g strix gpu
4 570 4g msi gpu

All flashed with mining bios. 
Using overdriveNtool. 
Using claymore.


At this point I have pulled every card out and they perform well on the test rig by themselves.  I have replaced all risers and rearanged the system a couple times.  But "gpu6" if I even think about and overclocking/underclocking it will crash, basically have to leave it stock.  Then a few other cards have a much lower hash rate once all put in the system, like 29 down to 25.

Just wanted to see if anyone knew a ah shit moment on what could fix this.  Thanks.

If you are using overdriveNtool it sounds like its Windows based.

When you run that many cards you really should be using linux. I have hundreds of 12 card linux rigs that are ROCK SOLID running the H110 board.

My personal and our company miners run PiMP

https://bitcointalk.org/index.php?topic=558715.0


I have uptimes approaching 250 days on these rigs!

Have you tried changing the paging file to 16gb to 32gb this is works to me running 8 gpu without any error.
I think you can flash AMD bios using AMD/ATI ATIFlash then you can edit the performance timing using Polaris bios editor.

If you are looking for a guide mining with rx 570 you can follow the guide that I found here https://bitcointalk.org/index.php?topic=1954245.0

Hope it helps.

show your bios for gpu 6 and tell us what you change.

When you plug all your card, make a ctrl+alt+suppr to look all your task and check if your memory or cpu is not at 100%.

Put PCi GEN 2 in your bios.

i have 13 rx570-580 on windows 10 1709 and it's working nice.

Sounds like your operating system is having problem. You can change your operating system. That can save you a big amount of power consumption. Hope this helps.

dont use overdrivetool   undervolt from claymare insread  bat file. 

FIrst off try increasing the page file from 16 to 32gb as it does help boost stats. Also, it could possibly be an OS issue considering I've seen Linux have no issues making heavy card based rigs work with a H110 motherboard. Hopefully a these changes will clear up your issue.

From what you have shared, it seems like that the problem may lie in the os. You should change the os. It should lessen the consumption of power, which in turn should help you with your problem.

It seems the problem of the operating system you can try updating it into Linux. But first restore your wallet in a safe place. Also got can change the running software to the hardware's compatibility. Like updating the software and syncing their band speed.

Show your bios for gpu 6 and tell us you change.When you plug all your card,make a ctrl+alt+suppr to look all your task and check if your memory or cpu is not at 100%. Hope it helps.

It seems like the problem lies with the overdriveNtool. Try unstalling and installing it again. You can also try to increase your virtual memory as that could be a problem too.

I think it is a problem in bios. Please provide a screenshot for gpu6 which can help many to understand the problem clearly and provide a solid solution.

Problem lies with the notch I think at your gp6. Can you please give a screenshot of your bios for better understanding?

The issue is about the cards or with the bios. So it will be best if you post it in that section.