Archive for an ASUS GTX 770 graphics card, 138 KB in size; the name gives no board number, revision or contents, though the size suggests boardview data rather than a full schematic. Extract it and inspect the files before use. Documentation of this type lets a technician find components on the core and memory VRM, follow nets to test points and locate a shorted capacitor. ASUS made several GTX 770 PCBs, including DirectCU variants, so compare the board code printed on your card with any number found 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 @schematicslaptop. 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.