3 These docs are for the QMK version of the PCB. [More info on qmk.fm](http://qmk.fm/)
5 The E6V2 has been available with either a bootmapper client or QMK powered PCB. During the second round, the QMK powered PCB was redesigned and used different ports and a different switch matrix.
7 Please use the appropriate version when making your firmware.
9 See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.