(In reply to Tobias Droste from comment #95)
> Are you suggesting that Microsoft Windows 10 is delivering a different VBIOS
> for your card then what was originally installed on the graphics card?
> 
> If so, who installs this? Windows itself? As far as I know is the driver
> only loading some binaries inside the VBIOS, but not replacing it. Or is
> this a new feature of the windows driver?

Neither Windows nor the Windows driver flashes a new vbios.  Flashing an
arbitrary vbios is not recommended, may render your card useless, and may void
your warranty.