Ds80249 P Rev 12 Schematic |link|

Third-party caution: Many websites host outdated Rev 5 or Rev 8 schematics labeled incorrectly as Rev 12. Always verify the revision block in the bottom-right corner of the PDF – Rev 12 has a date code “2023-02-15” and a note about “Added ferrite bead array.”

If the system boots but reports "No Hard Drive Detected," the fault is rarely the SoC. ds80249 p rev 12 schematic

Because these units run 24/7, the electrolytic or solid-state filtering capacitors near the buck converters are the most common points of failure. Third-party caution: Many websites host outdated Rev 5