Hi again,
Not sure if it's considered poor etiquette on this list to reply to such
an old thread, but I figured this was worth sharing.
With some help from u/Magikazam over on thread [1] r/VFIO (on Reddit), I
found a Windows program that's capable of extracting the GPU ROM from
the system UEFI
Hi János,
Unfortunately I'm not sure what the next step would be at this point. I
suspect the VBIOS dump you got from Nouveau may not be correct, but this
is little more than a guess. Given that the VBIOS is part of the main
BIOS, you may need to extract it in some alternate way, however I can't
Hi Jack,
Thanks for your reply.
I have a native Windows 8.1 64bit system in dual boot currently, so I
didn't need the bootable USB trick.
The problem is that I have already tried dumping the VBIOS with GPU-Z and
it has failed. Apparently this GTX860M Maxwell GPU is somewhat different
and GPU-Z
Hi János,
I had problems myself when trying to extract a card's firmware via
Nouveau - the resulting VBIOS images gave me the same issue in the VM -
a subsystem ID of all zeros. On a hunch, I made a bootable Windows USB
and dumped the VBIOS with GPU-Z - this resulting binary then worked with
