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Helpful ReplyEVGA SuperNova G2 750w PSU 12V slight drops

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pittbull
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2015/11/27 03:06:17 (permalink)
I just got this and replaced my failed PSU, been noticing in HW Monitor which is yes 3rd party but my 12V rail Voltage drops from the normal 12.234 Volts to 12.181 Volts should this raise a concern? "PIC is attached of the drop in HW Monitor on attachments"
 
I know it is slight range maybe just small load drop it will go right back 12.234Volts though!

 
My 5V stays and does not move.
 
I do have C1E halt enabled in bio's on this OC to lower the clocks when not in use.
 
I had a previous thread about lockups I pulled my sound card and that pretty much stopped it till I seen this yesterday and had my first lockup about 10 minutes ago with just browser open, now I am OC'd it has been stable even through 2 days of non stop BF4 on my old rig since I ditched that sound card till just a few minutes ago, on 1st morning boot about 10minutes in walked away came back was frozen up.
http://forums.evga.com/Ne...ter-what-m2388986.aspx
 
 
Intel Core 2 Quad Q9550 @ 3524.87 MHz
http://valid.x86.fr/qfz74u
 
 
My sig has all my specs loaded.
post edited by pittbull - 2015/11/27 03:37:57

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    Vlada011
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 04:21:43 (permalink)
    Don't look software if you want accurate PSU voltage reading on.
    You need to test PSU voltage directly with voltmeter 12V and 5V rail.
    I remember once with same PSU on one motherboard 5V rail was 4.9xxV on other motherboard same PSU is 5.080V.
    What is true only voltmeter will tell you...Motherboard sensors could show something but sometimes that is close or not close to real value. 
    Measuring The 12V Rail
    For this you just need the 4-pin Molex. Insert the red probe into the yellow 12v connector, and the black probe into any black Ground connector on the Molex
    Measuring The 5v Rail
    For this you just need the 4-pin Molex. Insert the red probe into the red 5v connector, and the black probe into any black Ground connector on the molex
    Measuring The 3.3v Rail
    For this you will need the AUX Connector Only, or a combination of the AUX and 4-pin Molex.
    Insert the red probe into either one of the two orange 3.3v connectors on the AUX connector
    Insert the black probe into any of the black ground connectors on the AUX connector, or the 4-pin Molex connector
     
    More explanation in pictures and details you can find all over net same as on youtube.
     

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    pittbull
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 06:05:00 (permalink)
    I know software is buggy it is not huge what it is showing all looks good in bio's though but sometimes can't be trusted this little fluctuation is it any concern to worry about I mea I have no issues just had to low of a voltage on my OC that locked it up bumped it up a notch running fine.
     
    I don't have a volt meter would have to purchase one.


     
    #3
    Zuhl3156
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 06:50:46 (permalink)
    A digital VOM is very inexpensive. I got mine from Sears for $9.99 back around 1995 and it is still going strong.
    http://www.amazon.com/Tekpower-MAS830L-Multimeter-Continuity-Back-lit/dp/B00EVW0LEI/ref=sr_1_1?ie=UTF8&qid=1448635772&sr=8-1&keywords=Tekpower+MAS830L+AC%2FDC+600V
     

     
     https://www.heatware.com/u/100032/to
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    Vlada011
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 07:35:43 (permalink)
    pittbull
    I know software is buggy it is not huge what it is showing all looks good in bio's though but sometimes can't be trusted this little fluctuation is it any concern to worry about I mea I have no issues just had to low of a voltage on my OC that locked it up bumped it up a notch running fine.
     
    I don't have a volt meter would have to purchase one.




    Don't afraid voltage on 750 G2 are 100% very good.
    You don't need to worry for that fluctuations because and Platinum/Titanium units will have same reading from software.
    On multmeter reading will be different with much less fluctuations.  

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    pittbull
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 08:52:29 (permalink)
    Yeah was kind of thinking the same thing before I went out to buy a multi meter since it is such a low fluctuation and using HWM.
     
    I know the PSU is top prime especially the Japanese capacitors :)
     
    Thanks all


     
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    Vlada011
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/11/27 11:07:15 (permalink) ☄ Helpfulby pittbull 2015/12/13 00:32:03
    Most accurate software for reading voltages on PSU is AIDA64...
    Fer people told me that. I even don't install HWMonitor. Better software is and HWInfo64.

    i7-5820K 4.5GHz/RVE10-EK Monoblock/Dominator Platinum 2666/ASUS GTX1080Ti Poseidon/SBZxR /Samsung 970 EVO PLus 1TB/850 EVO 1TB /EVGA 1200P2/Lian Li PC-O11WXC/EK XRES D5 Revo 100 Glass/Coolstream PE360-Noctua NF-A12x25 PWM x3
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    https://www.youtube.com/watch?v=PHMun5xiRe0
     
    https://xdevs.com/guide/2080ti_kpe/#intro
    https://www.evga.com/articles/01386/evga-sr-3-dark/
     
     
     

     
     
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    F.Neto
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/12/12 17:05:51 (permalink)

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    pittbull
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/12/13 00:34:52 (permalink)
    Vlada011
    Most accurate software for reading voltages on PSU is AIDA64...
    Fer people told me that. I even don't install HWMonitor. Better software is and HWInfo64.


    Never even heard of that program in all my years crazy. Tried the trial and yes totally different than HWmonitor shows.
     
    It shows my NB/SB temps at 55 to 56 playing BF4 and in bio's it matches idle temps dead on, while idle stupid HWM shows those temps at 64ish-C just opening my browser lol huge difference think I am going to purchase the full version of AIDA64.
     
    However never seen HWInfo64 either and it is almost like AIDA and free and all temps match on both programs night and day from HW just removed that junk.
     
    Thanks.
    post edited by pittbull - 2015/12/13 00:51:31


     
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    Vlada011
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/12/13 14:02:39 (permalink)
    HWInfo 64 is pretty accurate as I notice. 
    When I open HWInfo 64 I get sensor warning: ASUS EC...
    he found Embedded Controller (EC) sensor from which it will report data. 
    And what I want to Disable or continue reading from that sensor.
     

    i7-5820K 4.5GHz/RVE10-EK Monoblock/Dominator Platinum 2666/ASUS GTX1080Ti Poseidon/SBZxR /Samsung 970 EVO PLus 1TB/850 EVO 1TB /EVGA 1200P2/Lian Li PC-O11WXC/EK XRES D5 Revo 100 Glass/Coolstream PE360-Noctua NF-A12x25 PWM x3
    http://www.evga.com
    http://www.intel.com
    http://www.nvidia.com
    https://watercool.de
    http://www.lian-li.com
    https://www.youtube.com/watch?v=PHMun5xiRe0
     
    https://xdevs.com/guide/2080ti_kpe/#intro
    https://www.evga.com/articles/01386/evga-sr-3-dark/
     
     
     

     
     
    #10
    NotGaymer
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    Re: EVGA SuperNova G2 750w PSU 12V slight drops 2015/12/14 08:58:28 (permalink)
    I don't have much faith in any software monitor that I have used to date. Off Topic- With cheapo first build I used $42 CX 600M with Asrock MB, i5 and GTX 970 04G-P4-3975-KR 4GB SSC.  Using Kill-a-Watt I see 280 watts, game load, at the plug, -20% ballpark efficiency, so around 225 watts used by computer. OT, watching cheapo supply like a hawk until replaced with EVGA supply when wife won't have me killed. HWiNFO64 reports 11.588 volts on 12 volt rail at mere 230 watt gaming load! Having calibrated Fluke, I see 11.998 steady at same load. Still, all with in ATX specs. At rest, both fluke and software readers were spot on. This brings up a whole bag of worms as to various MB current bridges and voltage sensors.  In the end I break out the geek meter.  If you buy a cheap meter, check readout against a known supply and careful with cheap meter leads.
    post edited by NotGaymer - 2015/12/14 09:07:04
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