An archive of repair files for Lenovo hardware (board NM-E851). Shared as “NM-E851 REV 1.0 SCAN_1200DPI_GN20-P0-A1_SRLCX.7z” — a .7z file, 30.7 MB.
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 @boardsscanrepo. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
7-ZipWinRARKeka (macOS)