Firmware dump for the Sony VAIO VJF155F11X, labelled as a working BIOS confirmed at 100 percent, stored in a 4.12 MB RAR archive. No board number is given in the name, so verify the mainboard identifier before use. A technician typically flashes this onto the SPI chip with a programmer such as a CH341A to revive a board stuck on a black screen or boot loop. Always back up the original chip, since it contains machine-specific data, and check the dump size equals the flash capacity."}
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.
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 →