A prototype SX Pro device soldered to a Nintendo Switch motherboard. [credit: Team Xeceuter ] Last month, Nintendo went to court in an effort to stop retailers from selling an upcoming line of internal Switch mod chips, which the company says enable and encourage piracy. Now, Nintendo is expanding its efforts by sending a cease-and-desist letter to one company that merely offers to install mod chips obtained elsewhere. Connecticut-based Logistics Consulting LLC has offered a "Nintendo Switch SX CORE SX LITE Mod Chip Service" on its website for a few weeks, according to founder Ben Van Rheen.