Foxconn 115xdbp Motherboard Schematic Extra Quality
Use an oscilloscope or a high-end multimeter to track the HWPG (Hardware Power Good) or ALL_SYS_PWRGD trace line. If one power block fails to report a steady high logic signal (3.3V), the motherboard firmware forces an emergency thermal shutoff.
Focus on the CPU VRM section ( VCC_CORE ) and the memory power section. foxconn 115xdbp motherboard schematic