Hi!
I just purchased a giant computer, a NCR 3279-0202. It is a 286 with (I guess) 640kB of RAM and a big, fat ISA-card, which contains (I guess) serial, parallel and some graphics stuff.
The mainboard is this one:
https://theretroweb.com/motherboards/s/ncr-model-3279-0xxx-pc8-rev.-03-92
In this...