How To – Mine With AMD And Nvidia Cards Ter The Same Machine

How To - Mine With AMD And Nvidia Cards In The Same Machine

Published by Sid Hemelgeest on January 15, 2018

After stumbling onto Craigslist, and finding an exceptionally cheap GTX 970, I knew I wasgoed ter for an escapade. I picked up the card from the seller, brought it huis and attempted to get it hashing. To no verrassing, I struggled getting it to work along side my two other AMD cards. After hours of torment, here’s what I went through, and how I found a solution.


Installing the fresh GTX 970 into my equipment wasgoed exceptionally effortless. All I had to do wasgoed thrust it into the riser, and run another power cable from my power supply.


This is where wij got into a pickle. I figured the only way I could get both cards hashing would be to install the drivers for both of them. Sounds ordinary, right?

After installing them, I talent the machine a quick reboot, opened up the device manager, and spotted the 970 wasgoed non-functional due to “driver error”.

I determined on uninstalling my “15.12 Crimson drivers”, for the AMD Cards, and removing the cards from the machine. Te which I left only the GTX 970 connected. After rebooting, I wasgoed glad to see the GTX 970, wasgoed fully functional with no errors. I then re-installed my AMD drivers, and determined to attempt the newest ones, instead of “15.12 Crimson”. I waterput back ter one of AMD cards… And after yet another reboot, my 280x wasgoed not being discovered… At all.

I went through reboot, after reboot, and innumerable failures attempting to get the drivers to coincide, and recognize both cards. Until eventually, after six hours of tinkering, I found a solution.

I eliminated all drivers and cards from the machine, aside from my HD 7970(AMD) card. I installed the “Crimson 15.12” driver, and rebooted my machine. It wasgoed being recognized, spil predicted. From here, I turned the machine off, installed my 280x(AMD), and turned it back on. Spil predicted again… It worked. I liquidated the Radeon software, and only kept the driver that wasgoed needed to keep the cards functional(not sure if this actually did anything). Afterwards, I shut down the machine again, installed my GTX 970, turned it back on, and installed it’s latest drivers.

To my verrassing, after another restart, it somehow worked. However, isn’t this the same combination/installation process I had went through originally?

However, I had switched my primary card(GPU te the 1st slot) from an AMD card, to the GTX 970. So, the Nvidia card had bot the one powering the display.

Ter a summed down version, here’s what I did to make it work… :

  • Install the AMD cards and “Crimson 15.12” drivers spil you would normally.
  • Turn off the machine, and waterput your Nvidia card ter.
  • Ensure that it’s ter the very first PCIE lane, and it’s the one used to power your display.
  • Install the Nvidia drivers, for your card.
  • Reboot.

Also, be sure to run two different miners, and ensure that one of them has only the AMD cards enabled, and the other has only the Nvidia cards enabled.

The use of Claymore’s Nvidia+AMD miner didn’t seem to work out. Spil it’s one program, calling on both different cards/drivers.

  • Install the Nvidia drivers before the AMD drivers, it won’t work. I attempted.
  • Install both of the AMD cards at the same time, just to be safe.
  • Pauze anything out of frustration. This wasgoed difficult for mij.

The Aftermath

I thought that I had done it, and my long life purpose wasgoed eventually finish. Sike!

My fan speeds were locked on MSI afterburner, however I discovered that the AMD cards required a “Dummy plug“, to unlock them.

After twelve hours or so of the equipment mining, it crashed. Leaving some funky looking lines on the display… Sounds like a gpu driver related punt no?

I worked for a few more hours attempting to get it to zekering crashing like so, but I couldn’t wind up finding a solution.

Te Conclusion

The equipment is stable, aside from needing to restart it once a day or so… If you don’t have any choice, and indeed want to get your cards hashing, this guide is a lifesaver! However, te the long term, I’d recommend either selling off the odd card out, or putting it ter separate machine.

I could be wrong, and this punt could be only with my specific monster cards. However, I believe the best way of avoiding the kwestie, is by not setting up a script te which issues can toebijten.

Also, this guide only applies to people using the cards to mine cryptocurrency with. Machines made to render content, and etc shouldn’t have spil many issues, and may end up being stable. It’s a different story if you aren’t pushing your hardware at 100%, 24/7.

Sadly, I can’t recommend the onveranderlijk maintenance it seems my equipment needs… To anyone.

I’ve determined on re-selling the GPU for more, and using it’s money to buy an AMD card… Most likely another 7970.

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