Thanks for sharing. I have tried this one:
https://h-node.org/videocards/view/en/1792/GK104--GeForce-GTX-680---rev-a1-/1/1/undef/undef/undef/undef/video-card-works/undefbut with nouveau it is too slow. Also the color management doesn't seem to work. So I had to install the NVIDIA driver :(