Lenovo BIOS archive for the NM-D011 motherboard, 12.1 MB in rar format. The NM- prefix is the board numbering pattern of LCFC, the ODM owned by Lenovo, but the name states no laptop model or board revision. The archive likely holds an SPI dump for reflashing a dead or locked board with a programmer. Match the full board number and revision on the PCB against the file contents, check that the image size fits the flash chip, and keep a copy of the original chip 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 @smbiossupport. 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 →