Int 2F Fn FE05  U - Norton Utilities 5.0+ Diskmon, Filesave / Ep - Intern  [U]

   AX = FE05h
   DI = 4E55h ("NU")
   SI = TSR identifier (see AX=FE00h)

Return: SI = TSR reply (lowercase version of entry SI, i.e. SI or 2020h)
   AX = status
       000Ah successful???

Note:  reportedly dangerous

See Also: AX=FE00h