BIOS package for the Lenovo ThinkPad E570, Compal project code CE570, on LCFC motherboard NM-A831 revision 1.0. LCFC is Lenovo's own ODM and uses the NM- board prefix. The image is meant for recovering boards with a corrupted or locked SPI flash, written with an external programmer. Check that your PCB shows revision 1.0, because other revisions of NM-A831 exist. Save a copy of the original chip before writing, and make sure the dump size matches the flash 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 →