If your emulator reports a CRC error, the file may be corrupted. Re-dump the BIOS from your console to ensure a clean, 1:1 copy of the ROM data.
You must have a physical SCPH-90001 console. scph90001biosv18usa230rom0 free
Once you have acquired the scph90001_bios_v18_usa_230.bin file, follow these steps to integrate it into your emulation setup: Directory Placement If your emulator reports a CRC error, the