INT 2F U - NORTON UTILITIES 5.0+ TSRs - FLUSH BUFFERS                           
	AX = FE03h
	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
	    0006h successful???
Notes:	only supported by DISKMON, FILESAVE, and NCACHE-x
	useful for flushing NCACHE before rebooting
SeeAlso: AX=FE00h,AX=FE10h