Adrian Graham via cctalk <cctalk at classiccmp.org> writes:
A friend of mine has said ADM-3A and is baffled by the
tiny board it
contains, not the usual ?covering entire base? discrete logic board
they normally have.
Here's a similar one that was on eBay a couple of years ago (the full
listing has pictures of the insides):
https://www.ebay.co.uk/itm/-/322312097162
The September 1986 date on the case of yours means that it dates from
around the time when Lear-Siegler sold their terminal business to
Zentec -- is it actually badged Lear-Siegler?
--
Adam Sampson <ats at offog.org> <http://offog.org/>