by Sokomine » Thu Feb 28, 2013 04:04
It might to some degree work by software. You can run some programs/processes on one computer and other ones on the second computer. How far that works depends on the software. With Minetest, you could run server and client on seperate machines.
Even if you could physically connect your two boards you'd still have the same problems as with two machines - the software has to be able to deal with it. Very exotic and expensive server boards may be built so that they can be connected to the same power supply. With normal boards, that might be a very bad idea and result in destroyed hardware at best.
Better operate two computers and use one as server and one as client (the one with the better grapics capabilites).
A list of my mods can be found
here.