Firmware archive for a Sony VAIO laptop built on the MBX-235 motherboard, identified by the Sony part-style code 1P-0107200-8011. Sony uses MBX numbers for its notebook mainboards, while the 1P code is the board assembly number usually printed on the PCB itself. The 162 KB-class RAR suggests a small image, possibly EC or BIOS. Match both the MBX number and the 1P code against the board, dump and keep the original SPI contents with a programmer, and check that the file size equals the chip capacity 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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 22 Jun 2019 | Open file on RM Schematics |
| @biosarchive | 22 Jun 2019 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | 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 →