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"