Zip archive for the H61M-K motherboard, 4.15 MB, with no revision stated. The model suggests an Intel H61 micro-ATX board. The contents are not described, but the size is typical of a firmware dump intended for the SPI flash chip, possibly with extra files. Technicians write such images with a CH341A or similar programmer after a failed BIOS update. Confirm the board marking and revision, keep a copy of the original chip, and confirm the image size equals 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 @laptopchiplevelrepair. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.