Second copy of the Gigabyte GA-S1082 revision 1.2 boardview in PDF form, the same 1.11 MB size as the other copies, so it is most likely a duplicate. The document maps component locations on both sides of the PCB, letting you find the parts referenced in the circuit diagram and probe the right pads when checking voltages or diode-mode readings. Open it in a PDF reader and zoom in for designators. Before using it, verify that the board in hand carries the GA-S1082 number and Rev 1.2 marking.
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 @SCHEMATICWORLD. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.