Is the CPU receiving voltage unexpectedly?
Is the CPU receiving voltage unexpectedly?
Hello to whomever may be reading this. Title is not entirely accurate. I was messing around with my graphics card (trying to install M.2 underneath it) and I broke off the security plastic piece that locks the graphics card into place. At first my PC wouldn't POST, but after fiddling around with some cables, it can now power on and sound the beep that indicates it was able to do so. Now it says my CPU is wayyyy over voltage, like 2.4V after indicating so with a loud beep. It's impossible it's running at that voltage, right? The mobo (ASUS prime a320 mk) temp is 15 degrees and all other temperatures are typical so I cannot see how it's actually operating at that voltage. What connections should I look to double-check? I have tried: resetting with the RST button next to power button, shorting CLR pins on mobo while PC is powered off, reseating cables (however a few might have come off? I am not sure. Anything I should pay special attention to?), resetting CMOS by taking mobo battery out, checking PSU connections. I really can't RMA this stupid board and the PSU was totally fine before I tried to do this. This is an older PC so I reallyyyy don't want to buy new parts for it; I was literally just preparing to move to new PC but I need this to work so I can do some bookkeeping beforehand. I was able to boot into my Linux partition and honestly, it was totally fine. No contraindications to functionality so I am thinking the sensor is misconstruing. Any way to fix that if you agree? pls help im desperate. really appreciate anyone's help. Specs: Ubuntu 64-bit on SSD, 2 hard drives, Windows on SSD 650 W Corsair PSU ASUS A320 Prime MK motherboard Ryzen 1600 6-core processor 8x2 G.Skill RAM Not sure about BIOS level but it was literally fine before Sapphire Radeon 295x2 r9
It might not be impossible, but running longer than a minute or two at normal voltage could trigger the CPU to emit blue smoke. There’s little you can verify beyond that. A CPU reseat might reveal bad contact on voltage monitoring pins, though it would show a lower reading than actual. It sounds like the motherboard’s voltage monitoring circuit failed. You could test with a multimeter at the VRM output—checking across a capacitor is likely the simplest—and see if it draws close to expected levels. If it still works, you probably don’t need to worry too much, since the replacement is planned.
I also reset the battery. I've realized my mistake with the ASUS motherboards.
The motherboard was the one raising the issue. The error message clearly states a voltage reading problem. Most systems depend on the motherboard's data, but some tools can check voltage independently.
I dont think even 65nm can tolerate 2.4v when hwbot cheddar mill p4 and celeron d only go to 2.2v, youd be looking at absolutely ancient 90nm or 130nm to survive at that volt, 45nm and onwards hardware insta dies >2.1v for all i know so no way that cpu is running 2.4v, as soon as you set 2.2v the things just kaput, no it cant explode but it just dies Yea you may consider mobo swap if its being problematic, b450 and b350 go dirt cheap used nowadays if you want a board upgrade
All information depends on the motherboard's voltage detection system, there isn't a fully internal CPU voltage sensor. The nearest option is the on-chip voltage sense pins, though they're only used by the motherboard's voltage reading circuitry (the 2.4V warning was based on that). This helps the VRM make its decisions.