This is a mock up of the placement of the second motherboard. There is no backing plate on this side so I will need to fabricate one.
I have an urge to go with plexiglass just for effect.
This board will be running the game servers so I don't need access to all of the ports.
Administration is done through VNC or RDP so all I need is the network leadpassed out the back and routed to the switch.