Dreamcast Bios - Missing Emudeck ((link))

You need for a flawless Dreamcast experience. Do not download random .zip archives from shady forums; you need the raw binaries.

Note: These must be lowercase. If they are named "dc_boot.BIN", rename them to lowercase. Place both files in: Emulation/bios/ dreamcast bios missing emudeck

If using standalone Flycast (not RetroArch core): You need for a flawless Dreamcast experience

(If Steam Deck uses SD card for Emulation) Or dreamcast bios missing emudeck

With the BIOS correctly installed, the Sega Dreamcast library—from Shenmue to Power Stone to Jet Set Radio —will run flawlessly on your Steam Deck. Happy emulating.