On 7 Nov 2011 at 18:18, Pete Turnbull wrote:
It looks very like the one I used to put my SGI Indy
keyboard (my
favourite) on a PC, and I did very occasionally have that issue with
one keyboard. Another of the same model was OK, and after testing two
or three I recall soldering a resistor onto one of the lines
somewhere, but I don't remember if that was to fix the keybounce or
something else - probably something else.
You may want to try adding pullups for the clock and data lines out
of the keyboard. 4K7 should be just fine.
Just a hunch, nothing more.
--Chuck