Nothing new here, I'm sure; I simply was happily reminded of this during
research on gaming machine motherboard candidates.
The mobo mfrs seem to disguise the naked (9-pin!) RS232 headers on their
boards with names like COM, LEGACY, etc.
Have a look at your own board's naked headers, if you're
The mobo I had also had an LPT port pin connector on board. The only
difficulty was that it was a non-standard sized connector and the pin
numbers had different functions than usual LPT connectors.
Also keep in mind there are at least two standards for the pin
numberings on the onboard mobo
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