Archive named only with the code EH5LP, packed in 7z format and about 1.65 MB in size. The name gives no brand, file type or revision, so the contents must be checked after extraction; EH5LP resembles a laptop board project code, but nothing else is stated. A file of this size could hold a BIOS image, a boardview or small documentation. Before use, identify what is inside, compare any board markings against the PCB in hand, and if it turns out to be firmware, back up the original SPI chip contents before writing anything.
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 @notebookschematic. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.