Int 15 Fn DA00  U - Ami Pci Bios - ???                                     [b]

   AX = DA00h
   CL = subfunction
       00h ???
       01h ???
       02h get ???
   ???

Return: CF clear if successful
       ???
   CF set on error
       AH = error code (86h unsupported subfunction)

Note:  in the v1.00.05.AX1 BIOS, subfunctions 00h and 01h always return
     failure

See Also: AX=DA01h