Numbered collection archive of Xiaomi notebook service material, about 82.3 MB. The name does not list individual models or board numbers, so the contents need checking after extraction. Sets like this generally hold schematics, boardview files or BIOS dumps for Mi Notebook and RedmiBook models. Before relying on any file, compare the board code silkscreened on the mainboard with the document, since similar-looking models often use different boards and firmware."}
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 @videocard_notebook_resistance. 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.