Early revision 0A schematic for the MSI MS-7509 motherboard, in PDF format at about 2.3 MB. No date or variant appears in the name. A 0A drawing usually predates mass production, so a retail board marked 1.0 may have changed parts or values. It is still useful for following power sequencing, voltage regulator layout and signal paths when diagnosing faults. Check the revision silkscreened on the PCB and prefer the matching document, using this one for cross-reference.
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 @pepeelectronica. 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.