Int 15 Fn 71  - Hunter 16 - Select Power Up Keys                           [b]

   AH = 71h
   BL = column
   BH = row
   AL = column switch (00h disable, 01h enable)
   CL = row switch (00h disable, 01h enable)

Return: AH = status

See Also: AH=7Bh,AH=88h