ASUS B85-PRO GAMER motherboard is not powered on, 1.05 V bridge is powered on, and the flying line passes directly, and the machine lights up normally.
The IBM x3550 M2 was powered off within 10 seconds of startup, and the fault indicator showed BRD. It was caused by the corrosion of two resistors and one capacitor at the eighth pin of max1917 near the fan port. After replacement, it was turned on normally.