MBX-257 is a Sony motherboard used in Sony devices. Enginerys has 5 BIOS dumps for this board, collected from public Telegram channels.
Check that MBX-257 matches the number printed on your PCB, including the revision. Where to find it →
MBX-257 BIOS dumps
- mbx-257BIOS · MBX-257 · 8.00 MB · 6 May 2025BIOS bin8.00 MB
- MBX-257 Clean MEBIOS · MBX-257 · 8.00 MB · 5 May 2025BIOS rom8.00 MB
- mbx-257BIOS · MBX-257 · 2.46 MB · 15 Dec 2024BIOS rar2.46 MB
- MBX-257 R0092C6 Clean MEBIOS · MBX-257 · 2.36 MB · 13 Apr 2023BIOS rar2.36 MB
- SONY MBX-257 Clean ME.romBIOS · MBX-257 · 2.40 MB · 18 Aug 2020BIOS zip2.40 MB
Questions about MBX-257
Is there a schematic for MBX-257?
No standalone schematic PDF has been indexed for MBX-257 yet. Check the archives listed on this page — schematics are often packed together with the boardview — or search again later, as the index is updated daily.
Is there a boardview for MBX-257?
No boardview has been indexed for MBX-257 yet.
Who makes the MBX-257 board?
MBX-257 follows the Sony numbering scheme (MBX-xxx). It is found in Sony devices.