Adaptor for the Dreamcast serial port

Posted on Aug 23, 2012

This page describes how to build an adaptor for the Dreamcast serial port that will allow you to connect it to any computer using a standard 9-pin DSUB connector. The main component is a MAX voltage converter, since the Dreamcast serial port uses CMOS (3.3V) voltage levels, whereas normal RS232 uses +/-12V levels.

Adaptor for the Dreamcast serial port
Click here to download the full size of the above Circuit.

This serial adaptor has been designed, built and tested by me. It works prefectly for me, but I will not be held responsible if it fries your DC, your computer, and/or your hair. Also, please note that you will probably only find this interface usable if

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