INT 2F - METZ XpressFax Hardware 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. (CLASS2) - INSTALLATION CHECK
	AX = C000h
	BX = 444Bh ('DK')
	CX = 4A4Eh ('AN')
Return: AL = status
	    00h not installed, OK to install
	    FFh installed
		BX = 646Bh ('dk')
		CX = 6A6Eh ('an')
Range:	AH=C0h to AH=FFh, selected automatically
SeeAlso: AH=C0h"METZ"