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AX = FE02h
DI = 4E55h ("NU")
SI = TSR identifier (see #03140)
Return:
SI = TSR 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
Category: Resident Utilities - Int 2Fh - N

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