# Cypress rusEFI runs on Cypress FM4 S6E2xx (alpha version as of Jan 2020) Most tested on S6E2CxAH - S6E2C5AH0AGV2000A (144-pin) to be exact. Should probably mostly work on S6E2GH8 for instance S6E2GH8J0AGV20000 (176-pin). # How to program Cypress has "FLASH USB Direct Programmer" utility: https://www.cypress.com/documentation/software-and-drivers/flash-usb-direct-programmer-1