This article explains what MAME BIOS ROMs are, which specific BIOS files you need for v0.147, how to install them, and how to avoid the infamous "Missing BIOS" errors. Before diving into the specifics of version 0.147, let's clarify the terminology.
A in MAME is not an arcade game itself; it is a small set of system-level code that runs on the arcade hardware before loading the actual game. mame bios roms 0 147
If you are running a dedicated arcade cabinet with an older CPU, or if you have a curated ROM set from that era, understanding is essential. Without the correct BIOS files, half of your arcade library—especially Neo Geo, CPS-1/2, and PlayChoice-10 titles—will refuse to boot. This article explains what MAME BIOS ROMs are,
Version 0.147 is aging but reliable. Track down the correct BIOS pack, audit it with clrmamepro , and keep those .zip files intact. Your arcade motherboard emulation will thank you. If you are running a dedicated arcade cabinet