Front of the Genesis mobo:

Rear closeup of cartridge slot solder points:

Terms
-I'm asking $25 USD + shipping
-I accept Paypal, or Money order (no cheques please)
-For an additional $12 USD + additional shipping (if there is any) I will include the almost finished case I was working on seen here:

All it needs is some minor sanding and a paint job. (comes with controller buttons not seen in picture) The case is designed to hold a Sony PSOne screen.
This would be great if you are new to portabalizing and aren't too confident with your soldering skills, or even if you are too lazy to do it because it is quite time consuming.
PM me if you are interested
khaag
EDIT: I am in need of a PSOne screen, and would be willing to trade the board, case, and game (mortal kombat 3) for one.