Int 65  U - Netsoft Dos-net V1.20+ - Physical Layer - ???                  [N]

   DX = 4741h
   BH = 02h
   BL = function number (01h-04h)
   ???

Return: ???
   ---function 02h---
   DS:SI -> ??? data area
Range: INT ?? to INT ??, selected by configuration option; actual interrupt
     number may be retrieved via INT 2A/AX=4147h

Note:  this API is supported by PARALLEL.COM, SERIAL.COM, ARCNET.COM,
     ETHERNET.COM, NDIS.COM, ODI.COM, SMC.COM, and FTP.COM

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