The ASK55 is a 14.5u, Alps-compatible PCB available from Paradigm.
Make example for this keyboard (after setting up your build environment):
make ask55:default
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.
To enter bootloader mode, double-press the reset button on the back of the PCB (yes, it's caterina for now, sorry!), or press and hold escape (top left key) when plugging in the board.