link to user manual https://download.asrock.com/Manual/H110M-DVS%20R2.0.pdf
On boot, with F2 this board brings up a "UEFI" screen and the manual says it is legal American Megatrends UEFI BIOS ( version P8.0 )
BUT
running "WHYNOT11" says the boot method is legacy, not UEFI
there is a secure...