BIOS firmware archive for the Lenovo S415 laptop, about 1.82 MB in RAR form. No board number, revision or version is stated in the name, so inspect the contents and compare with your own chip read before relying on it. Technicians use dumps like this to reprogram the SPI flash with an external programmer when a laptop is dead, loops on power or fails after an update. Confirm the motherboard code on the PCB, check the chip capacity matches the image and save the original data first.
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 →