netbeui Posted May 24, 2011 Share Posted May 24, 2011 Hi everyone, I'm trying to create a simple SIO2USB cable based on the instructions on this website: http://www.stephens-home.com/sio2usb/ I recently purchased a FTDI Basic Breakout board (http://www.sparkfun.com/products/9716) and now discovered that my board is slightly different than the one on Stephen's website. On Stephen's site it instructs you to connect the Atari SIO cable to 4 headers: TX, RX, GND and RI (Transmit, Receive, Ground, Command). The board I purchased has inputs for GND, CTS, POWER, TXO, RXI and DTR. I'm guessing the mapping would be as follows: TX --> TXO RX --> RXI GND --> GND RI --> ? Does that sound correct and does anyone know what the RI (Command) would map to on my board? Quote Link to comment Share on other sites More sharing options...
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