For RetroArch on the PS Vita, almost all BIOS files must be placed in a specific "system" directory. By default, this path is: ux0:/data/retroarch/system/
It's essential to obtain BIOS files from legitimate sources to avoid any potential copyright issues. Here are some recommended sources: bios files for retroarch ps vita
Not every core needs a BIOS. For example, the FinalBurn Neo (arcade) core usually has the BIOS built-in. However, for CD-based consoles and PlayStation 1 emulation, BIOS files are mandatory. For RetroArch on the PS Vita, almost all
The zip must contain the correct BIOS files ( neo-epo.bin , neo-po.bin , etc.). Some dumps are incomplete. Try a different neogeo.zip from a known set (e.g., MAME 0.xxx). For example, the FinalBurn Neo (arcade) core usually
You can find BIOS files online, but be aware that downloading copyrighted material may be against the law in your region. Some popular sources include:
Do not use subfolders unless a specific core (like Dreamcast) explicitly requires it. 2. Essential BIOS List for Popular Vita Cores