Fanuc A20B-3300-0290 CPU PCB. This 16 model B generation Fanuc processor with part number A20B33000290 has an addtional 16MB of dram for faster processing. This main 486DX cpu card is for the series 15i, 16i and robot generation Fanuc i CNC’s fitted into a multitude of Fanuc controllted machines.
DNC currently have these 486 with dram processor CPU boards in stock.
If you are having problems diagnosing the fault on Fanuc i series controls consult our Fanuc alarms and error code pages.