Patched firmware archive labelled as an unlock for the Lenovo ThinkPad T560, around 7.6 MB. Unlock images of this kind are normally modified BIOS dumps used to clear a forgotten supervisor password or remove a lock, written to the SPI chip with a programmer. Always read and save your original chip first, because ThinkPad dumps hold machine-specific data, and after the job you may need to restore it. Confirm the chip capacity matches the image before writing.
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 →