Patched Lenovo BIOS image packed in a 6.51 MB RAR. The name gives neither model nor board number, only that the firmware has been modified. Patched dumps usually have a supervisor password, a whitelist or a similar lock removed, but you need to check what was changed before use. Find out which laptop and board the file is meant for, compare the size with your SPI flash, and save the original chip contents with a programmer so you can restore them if the result does not boot.
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 @schematiclaptopramkushwaha. 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 →