1 - Extra -> Options - Select the devices tab
2 - Make sure the "DGT Electronics chessboard driver 1.05 or higher is enabled.
3 - With the line selected click on the settings button.
4 - Select the correct port, you need to know the com port number you connected the dgt board on.
5 - Extra -> Save Settings.
6 - Exit the program, and restart.
The board should now be active. Important is to have the same position on the board as in ChessPartner, best is to start with a new game and the start position.