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Pc serial port pinout db9
Pc serial port pinout db9








This is the pinout used by the motherboard (captured from the manual). Then there's also the confusion with pin labeling. The headers on the motherboard are not boxed, so there's no way telling the orientation in which to connect the cables. I bought one of these combined LPT and COM port I/O plates. PCI cards take up space and I have to worry about drivers, which platform I'm using (Linux vs.

pc serial port pinout db9

So instead of buying one of those PCI cards with LPT and COM ports, I decided to use the built-in logic of the motherboard.

pc serial port pinout db9

You can see these pictured in the image below.

pc serial port pinout db9

However, there are LPT and COM port headers on the board. The board has no LPT or COM port on the I/O panel on the back. I would like to add an LPT and a COM port to my computer.










Pc serial port pinout db9