Click the "Refresh list" button in PCSX2. You should see "USA v02.30" or similar appear in the selection pane. Select it to set it as your default system firmware.
During the initial setup wizard, the emulator will ask for a BIOS directory. By default, this is located in your Documents folder under PCSX2/bios/ . scph 90001 bios download
The BIOS version found inside the SCPH-90001 console is typically version 2.30. This version contains the most up-to-date compatibility fixes and optimizations Sony implemented before discontinuing production of the hardware. Technical Specifications of the SCPH-90001 Firmware Specification PlayStation 2 Slim (SCPH-90001) Region North America (NTSC-U/C) Typical BIOS Version File Format (Emulation) .bin (often accompanied by .rom1 , .rom2 , and .erom ) File Size Approximately 4 MB Why Is the BIOS Required for Emulation? Click the "Refresh list" button in PCSX2