Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

/sys/dev/char/4:30/subsystem/tty4/power/

//sys/dev/char/4:30/subsystem/tty4/power/async

disabled