ASUS, I have a bone to pick with you.
Your motherboard manual omitted the only reason I needed it - pin settings for the front panel connectors since they weren't silk screened onto the board itself.
You printed a QR code instead. It resolved to this URL
https://active.clewm.net/BQnEfp
..which featured buttons labeled in what I am assuming is Japanese.
..which failed to display the PDF.