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power cuts on heavily-loaded PC using 750 GQ power supply

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terryheid
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2021/04/05 00:01:46 (permalink)
A newbie here.   My brand-new purchased system has a 750GQ P.S.
with a ASUS X570-P M.B. and a Ryzen 9 5950X cpu, and a single
Nvidia Quadro P400 graphics card.   I expected
this system to seriously rip through FoldingAtHome jobs, and it does,
but the system power-resets every few hours, or sooner.  At the current time,
if I start up my suspended FAH job (which uses 31 cpus/threads), the
system will power-reset in about 1-2 minutes.   I'm trying to figure out why.
I'm running the hardware "stock" as it came from the seller; running Windows 10. 
Also, there is no indication of any problem with a light load. 
(I'm contacting the seller in parallel, about this issue)
My questions:
1. is there a way to determine why the P.S. just reset?
2. for each of the "protections" provided by the P.S. (OVP, UVP, OPP, SCP,
OCP, and OTP), is there a document that describes the algorithms used
by the P.S. to determine when to reset power?
   
I can run e.g. the HWiNFO app, and get a time-series of many M.B. and
cpu variables (temps, voltages, some currents and power consumptions,
and much much more)  so I have raw data, but I'd like to be able to see
in the data why the power was cut.
Any help would be appreciated,
Terry
#1

2 Replies Related Threads

    Sajin
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    Re: power cuts on heavily-loaded PC using 750 GQ power supply 2021/04/06 09:24:00 (permalink)
    Time to try a different psu. I’d also check for overheating.
    #2
    Cool GTX
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    Re: power cuts on heavily-loaded PC using 750 GQ power supply 2021/04/06 09:57:48 (permalink)
    My best guess - Seems like the OCP tripping
     
    Folding can pull a lot of power with that hardware
     
    Even if you have no OC on your CPU & no XMP on the RAM ... Folding at home can be taxing ... every WU is different
     
    Try Keeping 2 of the CPU physical cores open - 1 for the OS & another 1 for overhead
     
    What are your temps ? Room, CPU, GPU
     
    Run GPU-Z and check the sensor tab while folding

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