INT 2F U - NORTON UTILITIES 5.0+ TSRs - DISABLE                                 
	AX = FE02h
	DI = 4E55h ("NU")
	SI = TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. identifier (see #03140)
Return: SI = TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. reply (lowercase version of entry SI, i.e. SI OR 2020h)
	AX = status
	    0004h successful (DISKMON, FILESAVE)
	    FE00h successful (NCACHE-x, DISKREET)
Notes:	(see also AX=FE01h)
	this function appears to be unsafe, as the cache buffers are not
	  flushed
SeeAlso: AX=FE00h,AX=FE01h