Int 2F Fn 9E01  U - Intmon V2.1 - Reset                                    [G]

   AX = 9E01h

Return: ???
Desc:  this function specifies that INTMON should assume that any interrupts
     on which it is currently awaiting a return have completed (i.e.
     interrupts which never return such as INT 20 and INT 27)

See Also: AX=9E00h,AX=9E03h