Serious 3v3 voltage drop to 2.46v

kawawete · Jul 10, 2016

Hello,

While stressing my CPU after an overclocking, I look at the CPU Vcore voltage to see if the voltage I set is respected. So I use SpeedFan to monitor the temps and voltages and I see that the 3v3 line is dropping like crazy to 2.46v

Does anyone else have this problem ? Is it dangerous ?

My config :

Corsair VX550 (yeah, I know, starting to get old)
Gigabyte 970A-DS3P (rev. 3)
8GB of corsair vengeance
3x500GB Seagate Barracuda 7200.12
R9-390 8GB (Sapphire Nitro)
AMD FX-8320 @4.3Ghz cooled by a TX3 Evo

Thanks a bunch

Inkiad · Jul 10, 2016

That psu is seriously stressed.

Also stress test puts unrealistic load in the system. You will likely never put your system in a situation like stress test through other means (using it).

kawawete · Jul 10, 2016

The thing is, tht when i check this voltage after the stress test, it remain the same :'(

Inkiad · Jul 10, 2016

Are you experiencing any stability problem in your system? Because internal voltage reader are quite inaccurate. If you can get a multimeter you will get actual reading.

kawawete · Jul 10, 2016

I think I'll replace sime bad caps, brcause it really looks like one or two went magic smoke'd

And I have random crashes when doing stability tests :/

Inkiad · Jul 10, 2016

Good luck with that. Also good luck finding the same spec capacitor from a reputable brand that you need.

Edit: Capacitors degrade if they sit on shelf for long. Keep that in mind.

kawawete · Jul 10, 2016

Okay, so SpeedFan is telling me bullfeces : my 3v3 is at 3.2 at its worst xD (tested with a Tektronix CDM 250)....
And my bios tells me that i'm at 3.34v, so yeah, nothing more reliable than a good multimeter ^^ and i could stabilize my overclock at 4.319 Ghz

(because of the high temps in my house, no 4.4 for me now)

Thanks a lot to everyone who answered to this post !

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Serious 3v3 voltage drop to 2.46v

kawawete

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Inkiad

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kawawete

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Inkiad

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kawawete

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Inkiad

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