@Zing Thanks. Jeje, Really, I haven't access to another PC... That is to say, I have access to a laptop at my job, but, it doesn't count.

I have a Raspberry Pi 3B+ but without charger. My new charger will come in two months, God willing. For that reason I said that take me some few months to make a test in my RPi and play PSOne there. I remember that in my RPi with Recalbox 4 I did not have problems with PSOne, even, I don't remember put any BIOS file... Maybe I am wrong.