13 Mar
2021
13 Mar
'21
11:51 a.m.
On Sat, Mar 13, 2021 at 11:43 AM Cory Heisterkamp via cctalk <
cctalk at classiccmp.org> wrote:
I?m wondering if anyone recognizes this PCB.
Double-sided, 74xx vintage,
measuring 14?x15?. There?s a ?B.I.? logo in one corner, but no google
match. IC date codes are ?77/?78 vintage.
There?s a pair of DB-25?s, a BCD encoder, and for some reason, two pots.
DC rectification appears to take place onboard. I thought perhaps the
112-7753 marking might be a part or catalog number, however the flip side
is marked 112-1754, so perhaps not.
Anyone recognize it? -Cory
https://photos.app.goo.gl/dogAPxn7vLV87YRw9
My guess is it's a logic board from a Beehive International terminal. No
idea what model though.
- Josh