Boardview in CAD format for the ASUS FX505DY, with 2.1 as the board revision suggested by the name, compressed into a 156 KB ZIP. The file shows part placement, nets and test points, useful for tracing a short, locating MOSFETs and checking voltages around the AMD platform. The .cad file opens in tools such as OpenBoardView or FlexBV. Confirm the revision printed on the motherboard matches before relying on the layout.
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