CNC presently has over 5 different Fanuc rom boards in stock. - making CNC Electronics LLC a company worth knowing if you have a Fanuc control system with the Fanuc rom or rom ram pcbs fitted. The Fanuc ROM cards that are available are for systems 6, 10 and 11 with both G, M, P, and T configurations. These parts are available for Exchange, can be repaired and Surplus Fanuc rom boards are available.