PDF schematic for the Gigabyte GA-G41MT-S2 motherboard, revision 1.5 according to the name, under 1 MB in size. The G41 chipset targets LGA775 Core 2 processors and DDR3 memory on this micro-ATX design. Use the drawings to track down shorts on the VCore and memory rails, follow the power-on sequence through the Super I/O, and identify the parts around the BIOS chip. Open it with any PDF reader. Revisions of this model differ, so verify the marking near the expansion slots before relying on component values.
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 @afsschematicfree. 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.