Int 33 Fn 6F00  - Hewlett Packard - Hp Mouse Driver Installation Check     [M]

   AX = 6F00h
   BX <> 4850h

Return: BX = 4850h ('HP') if mouse driver written by Hewlett Packard

See Also: INT 10/AX=6F00h,INT 14/AX=6F00h,INT 16/AX=6F00h,INT 17/AX=6F00h