Int 2F Fn 9204  U - PC Tools V8.0 Drivemap - Installation Check            [R]

   AX = 9204h

Return: AX = 9200h if installed
      BL = ???
      CX = segment of resident code
Program: DRIVEMAP is a redirector which allows drives on computers connected
     over the parallel or serial ports to appear as local drives

See Also: AX=9201h,AX=9202h,AX=9203h