To stop ASUS TB heartbeat led from flashing I change heartbeat-led option in DietPi Config (Display Options → LED Control) to “none” (“DietPi Config ASUS TB LED HB Off.png”). It works perfectly but as soon as I reboot the board it changes back to “heartbeat” (“DietPi Config ASUS TB LED HB On.png”).
Can you please tell me if there’s a way to make option “none” reboot resistant?
Many thanks for your report. LED triggers should be applied via udev rules on early boot once those are recognised. Can you please do the following after a reboot with LEDs back to default: