June 7, 20179 yr Hello, I'm running Primary GPU passthrough using Seabios after extracting my vbios from the card, it's working but I believe my performance issues could be fixed by OVMF amongst other things. I've seen some threads suggesting that I may need an updated vbios for my card. Any suggestions? It's this card. https://www.techpowerup.com/vgabios/124862/gigabyte-gtx670-2048-120708 From the page I've linked : UEFI Supported - No https://www.techpowerup.com/vgabios/132869/gigabyte-gtx670-2048-130114 That's a vbios with UEFI support, I'm guessing I need to install that which means I also need to extract that bios again from my card which will require another GPU again. If anyone has run into this and can say or suggest I'm on the right path please let me know. Edited June 7, 20179 yr by Tuftuf
June 10, 20179 yr Author I downloaded the updated Bios direct from Gigabytes website, every attempt at using a Gigabyte application failed to flash the card or even really detect it. Finally found nvflash ( https://www.techpowerup.com/download/nvidia-nvflash/ ) which allowed me to flash the bios from Gigabyte easily and OVMF worked afterwards.
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