Navigate to mass:/ (your USB drive) and execute the BIOS Dumper .ELF file.
Insert your FreeMCBoot memory card into Slot 1. Power on the SCPH-75000. You should see the FreeMCBoot logo. If not, ensure your console is specifically a 75000 (some late 75000s may have minor motherboard changes, but the process is identical). ps2 bios scph 75000 install
Double-check that your files are fully unzipped. Emulators cannot read a .bin file if it is still trapped inside a .rar or .7z package. Navigate to mass:/ (your USB drive) and execute