Typically inside your system folder or the same folder as your game ROMs, depending on the core you are using. 3. Match Your Version
A "repack" is a version of software that has been compressed or re-bundled to reduce download size or include all necessary dependencies in one package. For BIOS files: nmk004zip bios repack
If you're having trouble getting a specific game to run, let me know it is and which emulator version you're using. I can help you find the right file names! Typically inside your system folder or the same
: You can check if your file is correct by running the command mame nmk004 -verifyroms from your MAME directory. nmk004zip bios repack