The AES BIOS was consumer-focused.
There are several versions of the firmware, each dictating how games behave: bios neo geo
Includes improved handling for specific titles like King of Fighters 2001 to prevent graphical glitching in console mode. Hardware Compatibility & Installation The AES BIOS was consumer-focused
The arcade version. It defaults to coin-op settings, including a "credit" system and limited gameplay options. allowing for infinite lives
The UniBIOS is compatible across almost the entire Neo Geo ecosystem: Neo Geo NEW Bios / Demo & Review
It includes a massive built-in cheat engine with over 1,570 cheats , allowing for infinite lives, health, or unlocking hidden characters without external hardware.