RAR archive containing BIOS firmware for the Lenovo IdeaPad S206 netbook, board revision 2.2 according to the name. No board vendor number is given, so identify your board by the marking and revision printed on the PCB. Dumps like this are flashed to the SPI chip with an external programmer to revive a unit that powers on without display or fails POST. Read and keep the original chip contents first, and make sure the image size equals the chip 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 →