That's why it's called BETATESTER/EarlyBird/FirstEncounters version. Onboard components does not yet have full support.
If you want to speculate about why those components still don't have support after 2+ years of development, please start another thread. This thread is for discussion on why a computer claimed to be "teh NEW Amiga!" doesn't support the time-honored Amiga tradition of tinkering.