You're looking for ROMs for MAME (Multiple Arcade Machine Emulator) version 0.139u1. MAME is an emulator that allows you to play classic arcade games on your computer, and it requires ROMs (read-only memory images) of the games to function.
In MAME 0.139u1, this is handled via a specific ZIP file, typically named neogeo.zip. This file must be present in the ROMs directory for any Neo Geo title to launch. This version of MAME supported various BIOS revisions (MVS, AES, Universe BIOS), and ensuring the neogeo.zip matches the 0.139u1 specification is the single most common troubleshooting step for users of this emulator version. roms for mame 0139u1
Here is the most critical rule for MAME: The emulator version must match the ROM set version. You're looking for ROMs for MAME (Multiple Arcade
If you are building a dedicated arcade cabinet for Marvel vs. Capcom 2, Street Fighter Alpha 3, or Metal Slug 5—stop looking at modern MAME. Find a verified, non-merged 0.139u1 ROM set, audit it with the correct .dat file, and enjoy the smoothest retro arcade experience available. This file must be present in the ROMs