Boardview for the revision 2.0 mainboard of the ASUS TP300LA, supplied as a small ZIP. It is meant for locating parts, following nets between components and measuring at test points while diagnosing no-power, no-charge or short-circuit faults. Common viewers like FlexBV, OpenBoardView or Boardviewer handle ASUS layout formats. An earlier revision 1.2 of this board is also in circulation. Check the revision marking on your PCB first, because using the wrong layout can send you probing the wrong pads.
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 @cynetitsolution. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.