: Open RetroArch and navigate to Settings > Directory > System/BIOS to see your current system path.
For the core to recognise these files, they must be named exactly as follows and placed in your RetroArch system directory: Required File Names Description bios7.bin , bios9.bin , firmware.bin ARM7/ARM9 BIOS and main firmware DSi Mode retroarch melonds bios download
: Go to Main Menu > Online Updater > Core Downloader and select Nintendo - DS (melonDS) . : Open RetroArch and navigate to Settings >
dsi_bios7.bin , dsi_bios9.bin , dsi_firmware.bin , dsi_nand.bin Required for DSi-exclusive titles dsi_nand.bin Required for DSi-exclusive titles