Int 15 Fn DA  U - Ami Pci Bios V1.00.05.ax1 - ???                          [-]

   AH = DAh
   AL = function (00h-08h,12h,14h,15h,19h,88h-8Eh,92h,99h)
   other registers vary by function

Return: CF clear if successful
       varies by function
   CF set on error
       AH = error code (86h unsupported [sub]function)

Note:  functions not listed above always return CF set and AH=86h; in the
     examined BIOS, functions 02h-04h,06h-07h,89h-8Bh, and 8Dh also
     always return CF set and AH=86h

See Also: AX=DA00h,AX=DA01h,AX=DA88h,AX=DA99h,AX=DB00h