Main BIOS firmware for the Sony VAIO SVE14AA11W laptop on motherboard MBX-273, supplied as a 3.02 MB RAR archive. The MAIN tag suggests the primary system BIOS image rather than an EC or other auxiliary chip, though the contents should be checked after extraction. Technicians use such a dump to recover a board with corrupted firmware by writing the SPI flash directly with an external programmer. Verify the MBX-273 marking on the PCB, save the original chip contents first, and confirm the file size fits the installed flash chip.
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 @biosarchive. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 10 Feb 2018 | Open file on RM Schematics |
| @abgm_manutencao_bios | 8 Aug 2019 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 2020 | Open file on RM Schematics |
| @biosdumpcomputer | 25 May 2022 | 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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →