i have a RTC issue. but i don’t know the reason.
this is my test step
- device have rtc battery and disconnect ethernet.
- Boot up the system
- Use manual mode to modify the date
- Power off the device
- unplug the AC adopter.
- After 24 hours, Connect AC adopter and Power on
- Clock is 2 t or 3 second fast (or slow )
how to trace this issue?