Popular software emulation cores (such as Genesis Plus GX, Picodrive, and RetroArch) require this binary file dropped into their respective system or bios folders. It allows the software to properly translate original CD-ROM instructions into code playable on modern PCs, smartphones, or single-board computers like the Raspberry Pi. Setup and Installation Guide

If your console displays a "BIOS not found" error when attempting to launch a Sega CD game, check the following: