Max2Play Home 2016 (en) › Forums › General Questions on Hardware and Max2Play Versions › Use external LED to indicate activity (heartbeat) on RPi3B+ › Reply To: Use external LED to indicate activity (heartbeat) on RPi3B+
OK, found another post that seems to make more sense.
Above lines seem to have no effect on the LED at runtime (when hacked to the console).
They need to go into config.txt
At runtime the LEDs can be controlled with the
Will test this later and report how it works.