The program requires the following adapter cable to be connected between your parallel printer port (LPT1/LPT2/LPT3) and a commodore disk drive (1541/1581) IBM LPT port Male (solder side): CBM IEC serial port Male (solder side): �����Ŀ �����_���ͻ Strobe����1� ���Ŀ �ͼ �ͻ _____ � �14���AutoFeed Data������5 1������SrqIn _____ (Data 0)� 2�Ŀ � � 6�����������������Reset � ���15�(Error) Clock������4 2�����ĿGround � 3� � ____ �ͻ 3� �ͼ ��� � �16���Init ���������ͼ � 4� � Atn�� � �17���SelectIn �������������������������������������������Ŀ � 5� � � C64signal � IBMsignal LPT port + 2 � � ��18� � � � � 6� ������ĿGround � 2 Ground � 18..25 Ground � � ��19� ��� � 3 Atn � 1 Strobe bit 0 � � 7� � � � 4 Clock � 14 AutoFeed bit 1 � ����������� � 5 Data � 17 SelectIn bit 3 � � ��25� � 6 Reset � 16 Init bit 2 � �13� ����� ��������������������������������������������� ������� It is not necessary to wire all the ground pins. The connection between the pins 2 and 15 on the LPT port side is necessary for the auto detect routine. If you don't want to connect it, you can, but you must force the program to work with the LPT port where the cable is connected.