@zing its done i have found solution
@bloodsurfer Good catch. Couldn't find that thread with the keywords i was using.
Anyway, having this integrated with recalbox.conf could be a good feature to have 🙂
try another bios
try another roms
Ups , sorry!
Was an empty drive, can't be full. Finally i did the copy manuallly, witout the script, and it works...