: You can check or change this path in RetroArch by navigating to System/BIOS Commonly Needed BIOS Files
Advanced users can change the system directory via: bios files for retroarch ps vita
| Platform | BIOS Required? | Ease of Setup | Typical Path | |----------|----------------|---------------|---------------| | Windows PC | Optional for many cores (HLE available) | Easy – drag and drop | retroarch/system/ | | Android | Same as Windows | Easy via file manager | /storage/emulated/0/retroarch/system/ | | PS Vita | Mandatory for PS1, Dreamcast, Neo Geo | Moderate (needs FTP/USB) | ux0:/data/retroarch/system/ | | Nintendo Switch | Same as Vita | Moderate (Homebrew required) | /switch/retroarch/system/ | | iOS (non-jailbroken) | Very limited (sandboxing blocks BIOS) | Difficult | Not possible without jailbreak | : You can check or change this path
Different consoles (cores) require specific files. For the popular PlayStation 1 (PCSX ReARMed) core, you typically need: Where do the BIOS Files Go?! - RetroArch BIOS Guide - RetroArch BIOS Guide