Observed arrival · 2026-11-06
PrivaBIOS, an open-source BIOS for Neo Geo MVS
A free, GPL-3.0 BIOS for Neo Geo MVS boards, with an in-game settings menu, per-game autofire, cheats, memory-card tools, and hardware tests.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Neo Geo MVS owners and MAME users
- Worth noticing
- The author says it has run on one real MV-2F board; broader board compatibility remains untested.
Field notes
The page gives separate installation paths for an MVS board and MAME: the board image is burned to a 27C1024, while MAME users replace the BIOS file in their romset. The author advises keeping the original chip and notes that backup-RAM preservation was checked in MAME only, with one game and no setting changed. The source is published under GPL-3.0.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
One card from the complete issue