Archive for the ASUS F2A55-M LK2 PLUS, 267 KB in RAR format, with no document type mentioned. The board uses the AMD A55 chipset for socket FM2 APUs. Repair packs in this series commonly carry boardview data, opened in OpenBoardView or FlexBV to locate components, follow nets and choose test points while tracing power rails or a short to ground. Unpack to confirm the file type and compare the LK2 PLUS marking and revision on the PCB before trusting it.
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)