> On Jun 25, 2021, at 10:24 AM, ben via cctalk <cctalk@classiccmp.org> wrote:
> ...
> Well you can find mother boards with real COM port, but they are rare.

One place you can find them easily is on industrial computers.  My firewall 
machine is one, because I wanted it to be fanless.  It has the usual pile of 
USB ports and HDMI, but also 2 COM ports; another model of that same line has 6 
COM ports.

What seems to be harder to find is a parallel printer port, but there is far 
less reason to want one of those.

        paul




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