Zipped boardview for the ASUS TUF B450M-PLUS GAMING motherboard, 190 KB, with no revision stated in the name. Once extracted, the layout can be loaded into a boardview viewer such as FlexBV or OpenBoardView to find components, check which nets a pin belongs to, and locate test points for voltage and diode-mode readings. Several revisions of this board exist, so compare the revision printed on the PCB with the file contents before using it.
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 @vinafix_bios. 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