This one's made by Novy Systems, but Novy Systems made a number of Mac SE accelerators and I can't pin down which one this is:

I'd love to know what the jumpers do as well.
I have no idea who made this one, there's no identifying information on the board whatsoever:

I'd love to know what the pinout of the video port is supposed to be.

I'd love to know what the jumpers do as well.
I have no idea who made this one, there's no identifying information on the board whatsoever:

I'd love to know what the pinout of the video port is supposed to be.

