MSI MS-6523 data in a 2.06 MB ZIP archive. The file name states only the manufacturer and board code, so details such as revision and whether it is a schematic or BIOS are unknown. Repair use typically involves following the supply rails, checking the clock and reset circuits, or reprogramming a damaged BIOS chip with an external programmer. Confirm the revision on your board matches, and always read and store the original firmware before writing any image from this archive.
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 @IT_SERVICE_WORLD. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip