> On Jul 6, 2020, at 10:07 AM, Mike Pumford <[email protected]> wrote: > > On 06/07/2020 16:07, Martin Husemann wrote: >> Stupid question: are there now actually x86 boards that do *not* have a real >> serial on-board? I have not seen any so far (none of the new ones come with >> an external connector of course, but they can be added easily unless it is >> a notebook). > A quick look around suggests that some of the very high end gaming ones > don't. Also assuming users will actually be able to find a cable to actually > hook up the motherboard COM port is optimistic. You would probably have to > get one second hand these days and if I remember correctly there are 2 > incompatible pinouts for the 10 pin header. :(
Just in case anyone cares (I was looking to order one recently), there are definitely two pinouts. One is the so-called AT/Everex pinout, the other is the so-called DTK/Intel pinout. They are described here among other places: https://pinoutguide.com/Motherboard/rs232_header_pinout.shtml Cheers, Brook
