Theoretical:
If you had a PCI Express motherboard and had a 6800 Ultra PCI Expresss and a X800XT PE PCI Express, install them, set up a hardware profile with the 6800 on and the XT disabled and another profile vice versa, then boot with one profile for Doom3 and the other profile for HL2, would it work?
If you had a PCI Express motherboard and had a 6800 Ultra PCI Expresss and a X800XT PE PCI Express, install them, set up a hardware profile with the 6800 on and the XT disabled and another profile vice versa, then boot with one profile for Doom3 and the other profile for HL2, would it work?