lockout chip
chip within an electronic device to prevent other manufacturers from using a company's device to perform certain functions
en-GB/ˈlɒkaʊt ˈt͡ʃɪp/
en-US/ˈlɑˌkaʊt ˈt͡ʃɪp/
chip within an electronic device to prevent other manufacturers from using a company's device to perform certain functions