July 2, 20251 yr I have tried following every guide I could find and still did not succeed with GPU pass through.Asus GTX 960 GPU is not in primary PCIe x16, because that one is damaged, it is in a PCIe x1 slotI have IOMMU enabledGPU bound to VFIO"PCIe ACS override" set to "both" in Settings>VM managerDisplay plugged into the GPU does have a picture when starting the VM, but I cannot see the Nvidia GPU in Device ManagerDownloaded vbios from Techpowerup, deleted the header as per Spaceinvaderone's videoI attached the VM's xml config, the dowloaded and edited rom and diagnostics. I don't know where to look for the issue anymore, please guide me! Win10VM.xml naspolya-diagnostics-20250702-2251.zip AsusGTX960vbios.rom
July 3, 20251 yr Author Solution I decided to start completely from scratch again. Disabled PCIe ACS override, unbound VFIO, deleted the VM, deleted the nvidia drivers, restarted the server. Now I could finally dump the vbios from the card using spaceinvaderone's script. Rebound the GPU and sound card to VFIO, restarted the server. Created a new VM, fresh windows 10 install, and then passed the GPU with the dumped vbios, and now I can see the GTX960 in device manager.
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