Taken: AT 286 motherboard with mathco

[Jim Leonard]

Pete Turnbull wrote:
> The user port was typically used for home-grown digital I/O, but some 
> commercial hardware used it too, eg at least one mouse, some satellite 
> hardware, a turtle, a robot arm, and a CNC lathe controller.  I used it 
> to interface to a PCB tester I made to test some circuit boards I made.

All of these can be hooked up with a serial port, so I'm still wondering 
why today's machines are considered lacking for not having a "user port".
-- 
Jim Leonard (trixter at oldskool.org)            http://www.oldskool.org/
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