ASUS F2A55-M LK PLUS data, 185 KB RAR, where the name gives only the model variant. It is a micro-ATX FM2 motherboard on the AMD A55 chipset; note it is distinct from the LK2 PLUS variant. A boardview from such an archive shows part placement and nets in a viewer like OpenBoardView, helping to find faulty components and measure supply rails. Check the exact model printed on the board and its revision before relying on the layout data inside.
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 @boardview. 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.
7-ZipWinRARThe Unarchiver (macOS)