Would that work if I have a second graphics card ? If the Mac Pro 5,1 would let you boot from USB, this wouldn’t be an issue.
> On Apr 1, 2020, at 3:55 AM, Eric Auer <e.a...@jpberlin.de> wrote: > > > Hi RJ, > > the short story is that VMWare creates a fully virtual > computer. You can not install VMWare on Apple to use a > DOS program to update the BIOS of your REAL VGA card. > > You would have to run the BIOS update tool on real > hardware. Maybe you can find an Apple tool for VGA > BIOS updates? Or you could plug the card in a PC > where you can boot DOS from USB stick or CD-ROM > on the real hardware to run your update tool? > > In theory, you can configure the commercial versions > of VMWare to make the actual graphics card visible > from the virtual computer, but then you have to stop > using the graphics card on the host OS and I do not > think you can run VMWare on your Mac while Mac OS is > not allowed to use your graphics card. Maybe if you > had TWO graphics cards and could tell Mac OS to not > use the one which you want to update... > > I think Mac OS has only newer-than-BIOS firmware, but > it might be possible to load a CSM firmware extension > to have PC BIOS compatibility and boot DOS on the Mac. > But I have no idea whether that can actually be done? > > Regards, Eric > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user