What is the printed between the PCI slots or on the barcode sticker?
Depending on your specific board, here are the most likely schematics or manuals you need: Foxconn G31MX-K / G31MXP : Intel G31 + ICH7. Supported CPUs
Provide table (concise listing) for major ICs found on N15235 (example entries — replace with observed markings when applying to a physical board): foxconn n15235 motherboard schematic
Problem B: Fans Spin for half a second, then Shut Down (Short Circuit Protection)
If the fans spin for a second and then stop, a short circuit in the CPU power delivery is likely. Unplug the 4-pin or 8-pin 12V CPU power cable. What is the printed between the PCI slots
While layouts vary slightly across specific models, the typical Foxconn "N15235" (G31 series) features the following architectural specifications:
Unplug the AC power cord. Remove the CR2032 coin-cell battery located near the PCIe slots. Hold the power button down for 30 seconds to drain remaining capacitance. Reinsert the battery and turn the system back on. Unplug the 4-pin or 8-pin 12V CPU power cable
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Measure the voltage across Pin 6 and 8 on the F_PANEL header. It should read ~3.3V or 5V. Shorting these pins should pull the voltage down to 0V and trigger the PSU PS_ON signal (Green wire on ATX connector).
