thanks for the answer.
Now i fixed the bios problem. All the amiga bios (compatible with Rpi 3) are now uploaded inside my batocera system. In the "missing bios" i've only the non compatible amiga system with Rpi 3. Sounds good!
Now i tried to upload some amiga roms, but nothing happened.
I putted some rom (. zip & . adf) inside "\RECALBOX\share\roms\amiga\amiga500" but it's impossible to see on the batocera the amiga system (500 - 1200 - 4000 and CDTV...).
Maybe is the compatibility of the roms?
I will try with another batocera system. Is Maybe bugged?