Int 2F Fn F1  U - Min-mem V2.11 - Installation Check                       [m]

   AH = F1h
   AL <> F1h

Return: AL = F1h if installed
Program: MIN-MEM is a shareware TSR manager by Biologic which permits up to 24
     popup TSRs to be loaded but swapped out to disk, EMS, or XMS.  One
     TSR at a time is brought back into memory at the user's request.