A BIOS / firmware dump for Sony hardware (board MBX-224). Shared as “MBX-224_CLEAR.rar” — a .rar file, 1.67 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @laptexlaptopbios. Enginerys does not host this file.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @laptexlaptopbios | 30 Jan 2021 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @Laptopbiossolutions | 19 Sept 2023 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →