78081g503.ic655 [upd] [PLUS - 2024]

(used for titles like Street Fighter EX2 )

Ensure you are using the version of MAME that aligns with the ROM set you have. 78081g503.ic655

: This is the location coordinates of the chip on the printed circuit board (PCB). Arcade mainboards use a grid system to identify chips; IC655 means it is Integrated Circuit #655 on the schematic layout. (used for titles like Street Fighter EX2 )

In the world of arcade preservation, individual microchips on a circuit board are assigned precise identifiers. The string 78081g503 refers to the code stamped on the physical integrated circuit (IC) mask ROM manufactured by companies like NEC or Sony. The suffix .ic655 denotes its physical location or designation block on the arcade motherboards. 78081g503.ic655