Unknown TTY ICs

tony duell ard at p850ug1.demon.co.uk
Sun Feb 1 01:00:40 CST 2015

> Can anyone identify these TTY ICs? A friend gave them to me, but doesn't
> recall what they came from.
> http://i.imgur.com/AIfiOyY.jpg

Possibly out of a Model 43. There are 2 40 pin custom ICs on the main board and some 24 (maybe 28)
pin ones on the keyboard.


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