Int 65  U - Netsoft Dos-net V1.20+ - Installation Check???                 [N]

   DX = 4147h
   BH = 80h

Return: CF set
   AX = 0001h
Range: INT ?? to INT ??, selected by configuration option; actual interrupt
     number and function number may be retrieved via INT 2A/AX=4147h

Note:  this call is supported by CLIENT.COM, SERVER.COM, and ROUTER.COM

See Also: DX=4147h,INT 2A/AX=4147h