Mystery board

[Tony Duell]

> I don't even have a SWAG as to what that card is.  I'm a little dubious
> about it belonging in a PDP-8/a, but I suppose anything is possible.

Well, IIRC, there was some kind of connector/clamp just above the 'F' 
edge connector fingers. If the board was put in the normal 8/a box, 
there'd be access to that connector through that hole where you connect 
the console cable, etc. 

So it might well be for an 8/a

-tony