http://nwcom.info/Driver/Modem/3Com/2976nt.exe
http://nwcom.info/Driver/Modem/3Com/3CP2976/3CP2976.ace
http://nwcom.info/Driver/Modem/3Com/AD1806/569900NT.EXE
http://nwcom.info/Driver/Modem/3Com/AD1806/569900W.EXE