Schematic in PDF format for the ASUS TUF B450M-PLUS GAMING desktop motherboard, 1.50 MB; the RG token in the name is not explained. Use the diagrams to follow the CPU VRM, memory power, standby rails and super I/O circuits, and to check power-good and reset signals on a board that will not start. Because several drawings exist for this board, compare the revision printed on the PCB with the document 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 @vinafix_bios. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)