Enable IOMMU on AsRock Taichi Ultimate X470 with Ryzen 2700X (Solved)


Georg

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Hi all,

Unfortunately I don't know any further and google could not help...
In the bios I have enabled SVM Mode (CPU configuration) as well as SR-IOV (Onboard device configuration) but Unraid still gives me an IOMMU disabled:
image.png.a71cc556db10981c08652064b8eedb61.png

Is there an option called "IOMMU" I have to enable additionally? If yes where?

 

I have also noticed that there are no IOMMU groups shown in system devices (this may happen after unraid recognize IOMMU as enabled?)

image.thumb.png.13bea867a72bb4445493fdab096d8994.pngimageproxy.php?img=&key=e5eec7c5c933ca16

 

Thank you for helping in advance!

 

Georg

 

Edited by Georg
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  • 9 months later...
On 11/23/2019 at 8:23 AM, Georg said:

Thanks for your reply!
I had a look again and after searching every single f...... folder I have finally found it:

Advanced / AMD CBS / NBIO Common Options / MB Configuration / IOMMU --> enable

 

AsRock did a good job in hiding it!
 

You are a legend, I was pulling my hair out trying to find this option after a bios flash

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  • 4 weeks later...
On 11/22/2019 at 3:23 PM, Georg said:

Thanks for your reply!
I had a look again and after searching every single f...... folder I have finally found it:

Advanced / AMD CBS / NBIO Common Options / MB Configuration / IOMMU --> enable

 

AsRock did a good job in hiding it!
 

Thanks i spent five days trying to get to this dam point... Your are the only person who knows out there. Even tech store didnt help. I dont know you man but I wish you the best take care ... lol Finally! And now to see if android studio will freaking install after "HAXM" error. SMH!!!

Edited by immortalmonsterhybrid
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  • 2 months later...
  • 4 months later...

Many Many thanks to Georg for the location of the iommu settings.  I just loaded up the newest 4.7 bios on an x470 Taichi Ultimate  and I'm further than I was before with the prior iterations of bios. Trying to pass through an NVIDIA gpu - thanks for the settings Georg!

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