ASUS M5A97 motherboard boardview, revision 1.02, in the FZ format at about 119 KB; the (2) in the name suggests a duplicate copy of the same file. FZ boardviews are commonly used for ASUS boards and open in OpenBoardView, FlexBV or similar viewers, displaying parts, pins and nets you can click to follow. It is handy for locating VRM components, checking which line is shorted to ground and finding test pads for standby rails. Confirm the board is marked Rev 1.02 before relying on the placement data.
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 .fz file
Compressed and encrypted boardview used for ASUS, ASRock and Pegatron boards.