Need PC-AT "keyboard BIOS" docs

From: Ethan Dicks <>
Date: Wed Aug 28 22:14:00 2002

--- "Fred Cisin (XenoSoft)" <> wrote:
> > > The idea is this - a PS/2-keyboard to RS-232 converter - plug in
> > > any AT- style keyboard, hook the other end into the receive pin of
> > > thE target's console port. I started from a) a microprocessor-based
> The cheapest way to build that, if you don't mind the extra bulk, ...
> Take one generic AT, plus keyboard, plus serial port.
> Write code in a polled loop, or interrupt driven, to get keystrokes and
> send them out the serial port. (there is some software already available
> that includes that capability (such as PC-Talk)

If I did it by replacing the BIOS ROM, I'd consider it. The bulk is
more than I really want to deal with (not that it would dwarf a PDP-8/e
or PDP-8/a, but it wouldn't be a portable solution.

It's true - the lowest effort solution is to take a junk PC and let it
do all the work. Not very small and not very power efficient.


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Received on Wed Aug 28 2002 - 22:14:00 BST

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