http://193.68.19.127/install/WinXP/I386/WINNTUPG/OEM/DIGI/ASYNC/
http://193.68.19.127/install/WinXP/I386/WINNTUPG/OEM/DIGI/ISDN/
http://193.68.19.127/install/WinXP/I386/WINNTUPG/OEM/DIGI/REALPORT/