Boardview packed in a 105 KB ZIP archive for an H81-PLUS desktop motherboard, a name that matches ASUS's Intel H81 board line, though no brand is given here. The FZ token is not explained and may indicate a source or variant. The layout helps locate VRM components, chipset parts, the BIOS chip and test points on the desktop board, and is useful for tracing shorts on standby rails. Confirm the revision marked on the PCB before use, then open the extracted file in a viewer such as OpenBoardView.
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 @schematicslaptop. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.