BIOS firmware for the Sony VAIO VPCF13S8R on the MBX-235 motherboard, with M932 also listed, likely the Sony model code. The 1.02 MB RAR most likely holds the SPI flash image for the system BIOS. Technicians write such files with a programmer when a VAIO does not start, hangs on the logo or has a damaged chip. Sony prints the MBX number on the board, so check it and the revision, read and keep the original chip contents, and confirm the image length matches the flash device.
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 | 26 Jan 2017 | Open file on RM Schematics |
| @generalbios | 29 Sept 2023 | Open file on RM Schematics |
| @generalbios | 26 Oct 2023 | 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 →