At 12:55 AM 5/19/05 +0100, you wrote:
I think I have
the touchscreen frame from one of those, 4 circuit
boards linked together in a box, with a lots of LEDs and
phototransistors. Always been curious what it came out of.
Quite possibly, that's how the touchscreen worked on the 150.
It was also a option in one of the terminals but I forget which one. I
have a loose board of LED/Phototransistors that I found was used to
retrofit Touchscreen capability into one of the terminals.
Joe