The chip on the motherboard failed, and you need clarification about its function.
The chip on the motherboard failed, and you need clarification about its function.
You have a Crosshair viii Hero motherboard equipped with a Ryzen 5800x and 64 GB Trident Z RGB RAM, along with an EK 360mm AIO cooler. The component near the AIO pump or CPU fan headers began showing signs of overheating—red glow and smoke—when you powered on your PC. Despite this, your system booted without crashing, and no stress tests failed. You’ve looked up the chip but haven’t found a clear explanation; it seems unnecessary for booting, but you want to ensure it won’t harm other parts. Any advice would be greatly appreciated.
Is there any residue left on the chip? If present, are there any printed or engraved symbols on it?
It seems MP9141ES is likely a DC-DC converter, possibly for managing fan power from a specific outlet. You're considering using an old fan and checking if the 4-pin connector is functional. The link provided offers more details about the device.
Confirmed this as the power source for the 4-pin fan connector farthest from the code display, which is puzzling since it’s the only one I haven’t connected before—and it’s the only one that’s not working.