Int 21 Fn 4410  U - Newspace - Enable Driver                               [d]

   AX = 4410h
   BX = FFFFh
Program: NewSpace is a TSR by Isogon Corporation which automatically compresses
     all files as they are written and decompresses them as they are read

Note:  compressed files are not accessible unless the driver is enabled

See Also: AX=4411h/BX=FFFFh