: You can check if RetroArch recognizes your files by going to Main Menu > Information > Core Information while a core is loaded; it will list "Present" or "Missing" for required BIOS files. Common Required BIOS Files Recommended File Names PlayStation 1 SCPH1001.BIN , SCPH5501.BIN , SCPH7001.BIN Sega CD us_scd1_9210.bin , eu_mcd1_9210.bin , jp_mcd1_9112.bin Game Boy (Color) gb_bios.bin , gbc_bios.bin Resources and Guides
The links below are for educational purposes and assume you own the original console. For the DIY user: bios files for retroarch ps vita link