Required for all SNK Neo-Geo games (Metal Slug, King of Fighters).
| BIOS File | Supported Systems | Notes | | :--- | :--- | :--- | | aleck64.zip | Aleck 64 | Nintendo 64-based arcade hardware | | kinst.zip | Killer Instinct | Requires CHD files for full experience | | sys573.zip | Konami System 573 | Powers Dance Dance Revolution , Beatmania | | chihiro.zip | Sega Chihiro | Xbox-based arcade hardware, requires CHD files | | qsound_hle.zip | QSound audio devices | Many CPS-1 and CPS-2 games require this device file |
Here are some of the most commonly used MAME BIOS files:
: Needed for specific Konami system hardware. Where to Place BIOS Files all mame bios
The most essential file. Needed for thousands of SNK games (Metal Slug, King of Fighters, Samurai Shodown). Playchoice.zip: Nintendo PlayChoice-10 system.
A MAME BIOS is a set of files that contain the essential firmware required to emulate arcade machines. It's essentially a collection of data that tells MAME how to communicate with the arcade hardware, allowing it to run games smoothly. The BIOS files are usually extracted from the original arcade machines and are specific to each system.
Arcade games are not monolithic. They consist of modular hardware: a main PCB (printed circuit board) that contains the CPU and BIOS, and cartridge or daughter boards that contain the game-specific code. This modular design allowed arcade operators to swap out game titles without replacing expensive hardware. Required for all SNK Neo-Geo games (Metal Slug,
The confusion around BIOS files is often rooted in the different types of ROM sets available. When you search for "all mame bios," you need to understand how your specific ROM set organizes files:
Used for high-end graphical games of the early 2000s like Star Wars Jedi Starfighter . 3. Capcom Play System ( cpis.zip / cps2.zip )
: Enthusiasts often seek an "All BIOS" set, which is a curated collection of every necessary system file (e.g., for Capcom ZN-2, Needed for thousands of SNK games (Metal Slug,
This vague message appears when MAME cannot locate every file it expects. The cause is almost always a version mismatch between your ROM set and your MAME binary. Download a ROM set that exactly matches your MAME version, or update MAME to match your ROM set.
: Used for various Konami titles. PGM (pgm.zip) : Required for Polygame Master systems.