The design files are public, allowing you to view the full layout.
CM4 expects 5V on its USB pins. Many custom carriers implement load switches. If you have a USB port that is not working, use the Boardview to find the load switch IC. Isolate the input and output traces visually. cm4+94v0+boardview
file is unavailable, these official documents provide the necessary pinouts and power requirements: CM4 Datasheet The design files are public, allowing you to