Int 10 Fn 007F  - Paradise Vga - ???                                       [V]

   AX = 007Fh
   BH = A5h
   BL = ???
       bits 3-0: ??? (0-4)
       bits 5,4: ???
   ???

Return: BH = status (00h failed or not supported, 7Fh successful)
   ???

Note:  this function is supported by the 5/14/93 ROM for the Dell 486D