11th Gen Intel Core BIOS 3.10 Release

Take a look at this:
Laptop stuck in memory training, won’t boot - Community Support / Question - Framework Community

You may / may not need to do a mainboard reset if the board is in some weird purgatory state.

In your case, may not be drained RTC battery, now that you’ve mentioned it’s your daily driver. But you’re running into some kind of bug that requires mainboard reset.