what’s irregular about it is the expansion cards in it.
on the photo:
- a kuka mfc (“multi-function card”) v1.08, essentially a dsp card with some extras.
- a kuka kvga graphics card, that includes a digital rgb serial video output handled by amd taxichip and wired to the 8p8c socket.
- a phoenix contact interbus host with some funny warning labels.
second photo - mfc card with daughterboard taken off.