Afterwards:
echo "mem">/sys/power/state screen blanks (but monitor doesn't power off), heartbeat led still blinks, keypress, mouse click, GPIO_121 button don't wake up (nothing wakes up).
Afterwards:
echo "mem">/ sys/power/ state screen blanks (but monitor doesn't power off), heartbeat led still blinks, keypress, mouse click, GPIO_121 button don't wake up (nothing wakes up).