Archive for the Lenovo ThinkPad T14 Gen 2 built on motherboard NM-D351, labelled as OK tested. The NM- prefix belongs to the LCFC numbering used for Lenovo designs. At 30.8 MB the archive is large enough to contain several items, likely firmware dumps or service documents, so list its contents before relying on it. Technicians use such packages to restore a dead board by reprogramming the SPI flash. Match the board number on the PCB, keep a backup of the original chip, and confirm each image size against 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 @hrtechno. 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.