Even with a perfect Mame 0.139u1 Roms Archive, users run into problems. Here are the fixes:
Issue: "Missing ROM or CHD images" error.
Fix: You either have a split set missing the parent, or you need to update your neogeo.zip BIOS. For 0.139u1, the neogeo.zip must contain 17 specific files (including the uni-bios.34).
Issue: Game runs at 50% speed. Fix: Turn off "Wait for Vsync" and set "Triple Buffering" to off. Alternatively, the game requires CHD streaming (like Gauntlet Legends); upgrade your HDD speed or reduce audio sampling rate. Mame 0.139u1 Roms Archive
Issue: MAME GUI crashes when scanning ROMs. Fix: The GUI of 0.139u1 is old. Use the command line or switch to a frontend like LaunchBox or Attract-Mode.
Disclaimer: This article is for educational and historical documentation purposes only. The author does not condone software piracy. Emulate responsibly and support official re-releases of classic arcade games where available. Even with a perfect Mame 0
I have provided two different styles depending on where you intend to post this (e.g., a blog post/website or a forum/file repository).
For years, the most popular image for RetroPie was based on MAME 0.139u1 (via the Libretro core lr-mame0139). If you have ever downloaded a "128GB Arcade Only" image for your Pi, it was almost certainly built on this set. Upgrading would break 90% of the pre-configured games. The MAME 0
| Feature | Description | |---------|-------------| | Total size | Approx. 22–26 GB (compressed) for full split set | | Number of ROMs | ~7,000–8,000 ZIP files (parents + clones + devices) | | Number of unique games | ~3,500–4,000 playable titles | | BIOS sets included | ~50+ BIOS files (Neo Geo, CPS-1/2, ST-V, N64, etc.) | | Device ROMs | CHD-less era (most games still raw ROMs; CHD for hard disks/CDs minimal in 0.139) | | Completeness | Contains all ROMs recognized by MAME 0.139u1 – including non-working and imperfect dumps |
The MAME 0.139u1 ROM set is widely considered a "goldilocks" set for casual players and retro handhelds (like the RG35XX, Miyoo Mini, or PSP). It is not the newest set (current MAME is 0.275+), but it remains one of the most practical, stable, and widely supported archives ever released.
This archive is the final resting place for the golden age of raster games: