@pocopico A strange phenomenon has been identified. Of course, r1000, which was expected to work well, does not work. I replaced the newly added rtc-cmos.ko for r1000 with rtc-cmos.ko for v1000 and reserved the start time and waited, but there was no response from DS923+. Installation of rtc-cmos.ko seems to have failed.   Running "check-rtc-cmos.sh" for powersched->on_boot Loading module rtc-cmos -> Module rtc-cmos is not loaded Ran "check-rtc-cmos.