BIOS firmware dump for a Sony VAIO motherboard MBX-237, packed in a RAR archive, with part number 1P-0117J01-A012 also given in the name. The 4MB tag points to a 4 MB SPI flash chip, so the extracted image should match that capacity exactly. Technicians use such a dump to recover a board with corrupted firmware by writing it with an external programmer such as a CH341A. Read and save the original chip contents first, and confirm the board marking matches MBX-237 before flashing.
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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 4 Aug 2024 | Open file on RM Schematics |
| @generalbios | 4 Nov 2024 | 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 →