INT 2F - NORTON UTILITIES 5.0+ TSRs - FLUSH BUFFERS
AX = FE03h
DI = 4E55h ("NU")
SI = TSR identifier (see #03140)
Return: SI = TSR 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