Weird Lear-Siegler ADM-3A board

[Adam Sampson]

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/>