Seibu Kaihatsu SPI & Raiden Fighters 2

In for repair is a Seibu Kaihatsu SPI mainboard (V2.0 Revision) and a Raiden Fighters 2 game cartridge. The SPI mainboard wouldn t boot on powerup, it would display a generic Checksum Error message. This is a common problem with the SPI platform. The SPI mainboard and game carts are region coded. If the cart [...]