Originally posted by IsaacHayes
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Just a note, neither of these circuits "comply with RS232", if GM had put in a nice simple RS-232 2-wire serial communications interface, instead of its half witted 1-wire token ring type serial interface, we wouldn't be having this converstaion.
![smile](https://www.60degreev6.com/vb5/core/images/smilies/smile.png)
Maybe i'll dig out my old 486 laptop w/win 95 and see if that'll run TunerPro, at least it has a true RS232 port. god will it be slow though.
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