hello, a friend of mine bought a ps2 from china (scph-50007 / dvd 3.02g) so i'm guessing it is v10. It working fine with ps2 backup and original games. But i cannot make it boot backup or original ps1 games. I even tried disabling the mod chip to boot original ps1 and it get the "please insert ps1 or ps2 format". Anyone know the solution for this?