Simple VREG temperature fix

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sighrus
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2010/03/03 18:01:24 (permalink)
I had been having concerns with my VREG temp on my E758 MB so, I added a small fan which helped drop temps about 2-3 degrees C at idle from 55-56 to 53-54. I also applied a new thermal pad with no real changes. I finally found 2 small rectangular copper heatsinks that fit on top of the thermal plate (below the fins) and placed them there with thermal tape, which dropped my idle temps down to 46-47 at idle, a huge improvement!

*OS: Windows 7 64 Ultimate
*CPU: Intel Core i7-920 DO @ 4.0GHz
*Motherboard: Evga X58 3X SLI E758
*Memory: Corsair Dominator 8 8 8 24 (3 x 2GB) DDR3 1600 
*Power Supply: Corsair HX750W
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*Hard Drives: 2X Intel X25M 80GB Raid 0
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*Sound: Asus Xonar Dx
*Case: Antec 900
*Monitor: Samsung LN46B650 46" HDTV
#1

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    Mutant_Tractor
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    Re:Simple VREG temperature fix 2010/03/03 18:03:29 (permalink)
    Pics? :D

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    #2
    Sum1uNo83
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    Re:Simple VREG temperature fix 2010/03/03 18:10:31 (permalink)
    yes please pics and link to these heatsinks please

                                           
                                                               
    #3
    Alucard666
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    Re:Simple VREG temperature fix 2010/03/03 18:12:16 (permalink)
    Yea I gotta see that one! That's like almost a 10c reduction. Thats epic


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    #4
    sighrus
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    Re:Simple VREG temperature fix 2010/03/03 18:40:13 (permalink)
    Pics are with fan removed best I could do. Heatsinks were pulled from an old MB but, you should be able to use memory heatsinks like these from Ebay:
     
    http://cgi.ebay.com/Copper-Heat-Sink-f-DDR-DDR2-RAM-Memory-Cooler-MC-200_W0QQitemZ370216103940QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5632997004
     
     
     
     

     

     
    post edited by sighrus - 2010/03/03 18:49:40

    *OS: Windows 7 64 Ultimate
    *CPU: Intel Core i7-920 DO @ 4.0GHz
    *Motherboard: Evga X58 3X SLI E758
    *Memory: Corsair Dominator 8 8 8 24 (3 x 2GB) DDR3 1600 
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    *Cooling: Vigor Monsoon III Lt
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    *Monitor: Samsung LN46B650 46" HDTV
    #5
    wizardx10
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    Re:Simple VREG temperature fix 2010/03/03 19:29:18 (permalink)
    Nice :)

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    #6
    Sum1uNo83
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    Re:Simple VREG temperature fix 2010/03/03 20:18:17 (permalink)
    will give it a shot. what kind of thermal tape did you use?

                                           
                                                               
    #7
    sighrus
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    Re:Simple VREG temperature fix 2010/03/03 20:24:50 (permalink)
    jrmitchell1983

    will give it a shot. what kind of thermal tape did you use?


    I purchased a while ago, I think it was Sekisui. You can find it on Ebay and I think Radio Shack carries it also. A non-permanent but firm bond. 

    *OS: Windows 7 64 Ultimate
    *CPU: Intel Core i7-920 DO @ 4.0GHz
    *Motherboard: Evga X58 3X SLI E758
    *Memory: Corsair Dominator 8 8 8 24 (3 x 2GB) DDR3 1600 
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    #8
    Inoxim-NorCal
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    Re:Simple VREG temperature fix 2010/03/03 20:42:14 (permalink)
    Not a bad idea. Its just dissipating heat from another source besides its original a little bit (but definitely difference making way)! I have to admit I had not thought of that and +1 to you for your ingenuity!

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    #9
    sighrus
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    Re:Simple VREG temperature fix 2010/03/03 20:57:16 (permalink)
    Thanks Inoxim-NorCal , I hope this helps anyone else that's been frustrated with VREG temps. The combo of heatsinks and fan seems to make a huge dent in temps. It's nice to finally see temps in the 40's on this board!

    *OS: Windows 7 64 Ultimate
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    #10
    Inoxim-NorCal
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    Re:Simple VREG temperature fix 2010/03/03 22:23:30 (permalink)
    I personally got lucky with my VReg from what im told. I idle at 46 - 48 with no fans, no anything, even at 4.2 GHz. Im STILL going to put one on there when I get around to it tho, and I actually might use your idea here to see just how low I can get that puppy. Once again, great idea and not really that hard of a mod at all. I hope a moderator sees this actually lol

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    Hillguy
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    Re:Simple VREG temperature fix 2010/03/04 03:40:20 (permalink)


    Nice job Sighrus   

    Mabey one of the Mods could start a  " Macgyver of the Week"  section  

                               
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    #12
    SkullCracker
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    Re:Simple VREG temperature fix 2010/03/19 12:52:38 (permalink)
    I just found this post as I was looking for a fix and glad I came across it. My temp @ idle is 55c with no OC. To me that is just insane and while in game it hits 60c- 65C. But what gets me is that that little heat sink does the job better then what comes on this board. And question and I would assume this would work.
    http://www.frozencpu.com/...ack.html?tl=g40c21s226

    Not sure what size heat sink your using and do you think those are long enough. I know these cost more but I don't care.
    post edited by SkullCracker - 2010/03/19 12:54:49
    #13
    chememan
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    Re:Simple VREG temperature fix 2010/03/19 13:04:17 (permalink)
    From reading the initial post, I have to believe that you had some sort of a contact issue that was contributing to the problem.  If you have decent contact between the the heatsink and the chip, a small fan usually provides significant results where yours were barely measurable.    It is possible that you improved the contact between the factory heatsink and the chips when you installed the copper heatsink.  I cannot see where that sink alone would give that kind of result, particularly when the fan did almost nothing with a much larger heatsink.

    Glad that it worked out for you, in either case.

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    #14
    sighrus
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    Re:Simple VREG temperature fix 2010/03/20 17:14:50 (permalink)
    chememan

    From reading the initial post, I have to believe that you had some sort of a contact issue that was contributing to the problem.  If you have decent contact between the the heatsink and the chip, a small fan usually provides significant results where yours were barely measurable.    It is possible that you improved the contact between the factory heatsink and the chips when you installed the copper heatsink.  I cannot see where that sink alone would give that kind of result, particularly when the fan did almost nothing with a much larger heatsink.

    Glad that it worked out for you, in either case.


    It is possible, but after doing this mod I checked to see how hot the mosfet coolers were and they did indeed feel pretty hot to the touch . I still believe that the added surface area really did make the difference in dropping my temps. I also had replaced the thermal pad and reseated the stock cooler to ensure that I was getting good contact before adding the addition copper heatsinks (which was done without removing the heatink from the board). Has anyone else tried this simple mod yet and had simular results?

    *OS: Windows 7 64 Ultimate
    *CPU: Intel Core i7-920 DO @ 4.0GHz
    *Motherboard: Evga X58 3X SLI E758
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    #15
    sighrus
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    Re:Simple VREG temperature fix 2010/03/20 17:18:57 (permalink)
    SkullCracker

    I just found this post as I was looking for a fix and glad I came across it. My temp @ idle is 55c with no OC. To me that is just insane and while in game it hits 60c- 65C. But what gets me is that that little heat sink does the job better then what comes on this board. And question and I would assume this would work.
    http://www.frozencpu.com/products/5557/vid-86/Swiftech_MC21_Aluminum_MOSFET_Heatsinks_-_4_pack.html?tl=g40c21s226

    Not sure what size heat sink your using and do you think those are long enough. I know these cost more but I don't care.


    Those look fine. I actually have 2 similar sized small heatsinks side by side  on mine, it's hard to tell from the pics. Good luck and let us know if you have the same results.

    *OS: Windows 7 64 Ultimate
    *CPU: Intel Core i7-920 DO @ 4.0GHz
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    *Cooling: Vigor Monsoon III Lt
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    *Monitor: Samsung LN46B650 46" HDTV
    #16
    lam_das
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    Re:Simple VREG temperature fix 2010/03/20 22:32:29 (permalink)
    Did anyone else try this and have good things to report?

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    Vihsadas
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    Re:Simple VREG temperature fix 2010/03/31 01:51:28 (permalink)
    I would like to know as well. I'm having VREG Temp issues like many others. Currently stuck at 3.8Ghz, with VTT @ + 275mV, and idling VREG @ 62-65C!! :-O
    I should add that I'm corsair H50 cooled so I Don't benefit from massive airflow around the CPU socket area like others. I do have my blowhole fan pointing inward however...seems to help not a lot.

    Do small copper heatsinks really make that much of a difference? Has anyone else tried this? I've ordered the heatsinks, but have not heard back from the seller yet...     

    Vintage Ninja Build - In progress: Xeon x5650 (OC@ to be determined!), Swiftech H240-x2 prestige, HW labs 3x240 stealth rad (5x140mm capacity), Classified E759 modded for xeon, Chipset/VREG block (still looking for this!), ASUS ROG Poseidon 980Ti, in loop. Silverstone strider 1000w 80+, 12GB Corsair Vengence, Samsung 850 Pro 250GB, 1TB Caviar Black. USB3.0/SATA III PCI-E card.
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    #18
    chuntergb
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    Re:Simple VREG temperature fix 2010/03/31 02:52:36 (permalink)
    mine runs at the same temps whilst gaming as well and i can feel the heat coming from my case,i need to find a way to cool my vreg sinks on my LE as well,maybe a spotcool but gonna try and find some sort of replacemnt first,hopefully thermalright will make one for us x58 owners.

    #19
    psionic98
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    Re:Simple VREG temperature fix 2010/03/31 05:34:24 (permalink)
    adding the sinks to the top of that plate would make me think the actual hsf itself isn't functioning correctly.. the heatpipes can't be pulling much heat away if a small memory heatsink is pulling more out than they are

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    #20
    Vihsadas
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    Re:Simple VREG temperature fix 2010/03/31 19:44:04 (permalink)
    Another interesting point: When I touch the fins of the VREG heatsink, they are not hot to the touch at all (more or less ambient temp). It makes me think either the sink really does not work properly or this Mobo passed QC with an improperly mounted sink.

    Also, I can't actually get *at* the base of the vreg heatsink without pulling out my whole H50 radiator assembly. Even if that works, I'm still thinking this might be a contact problem which will require me to disassemble the entire machine. Not happy about that. :(     

    Vintage Ninja Build - In progress: Xeon x5650 (OC@ to be determined!), Swiftech H240-x2 prestige, HW labs 3x240 stealth rad (5x140mm capacity), Classified E759 modded for xeon, Chipset/VREG block (still looking for this!), ASUS ROG Poseidon 980Ti, in loop. Silverstone strider 1000w 80+, 12GB Corsair Vengence, Samsung 850 Pro 250GB, 1TB Caviar Black. USB3.0/SATA III PCI-E card.
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    #21
    Vihsadas
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    Re:Simple VREG temperature fix 2010/03/31 22:27:22 (permalink)
    Alright.

    To all those who were waiting to see if this simple fix would work:

    I got some copper heatsinks with paper thin Thermal tape and applied it to the base of the VREG heatsink. As expected, No effect.
    I am still idling at about 65C, and under load (Unreal Tournament 3) I'm @ 85C. My VTT is at 1.35V (+250mv) and my PWM is 800Khz.

    Did I just get unlucky? Cause that sucks! This is the second board I've bought for my i7 (First one was an MSI Pro-E) and there still this problem. :(     
    post edited by Vihsadas - 2010/04/01 00:03:27

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    #22
    hashiee
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    Re:Simple VREG temperature fix 2010/04/01 00:14:16 (permalink)
    I have put a couple of small heatsinks and placed a Asus heatpipe blower fan directing the air directly into the fins and my bench vreg temp is about 46C , cpu 4.2 under load. I also re-applied the thermal paste with Ceramique. Some guy on ebay is selling these little blowers for 2 for $5.00, I got a few from him.

    http://img15.imageshack.us/img15/1534/bb0iw8gcgkkgrhqihcqeqwo.jpg

    http://img69.imageshack.us/img69/1699/008xp.jpg
    post edited by hashiee - 2010/04/01 00:20:19
    #23
    Vihsadas
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    Re:Simple VREG temperature fix 2010/04/01 00:47:50 (permalink)
    Oh wow. I think I found part of the problem...

    In bios I have my CPU VTT at +250mv, which should put my actual voltage @ 1.1V + .250V = 1.35V, correct?

    Then why is E-leet reporting a CPU VTT of 1.46!!!! whoa!

    I've artificially lowered the CPU VTT via E-leet to +.125mV (which reads as 1.225V in the voltages tab), and this is reporting from the voltage sensor as 1.35V in E-leet, which is equivalent now to my original +.250mV! I have the same problem with my VDIMM as well. I have it set to 1.625, and it's reporting via the sensor at 1.66V. 
    (I have Vdroop ON).

    I'm running Prime95 right now just to make sure that it's stable, and now my VREG is maxing at 73C, MUCH improved over 85C, but still not that great.

    I urge anyone with this problem to check the voltages that E-leet is reporting and adjust and retest accordingly...still not happy, but at least now I'm not quite thinking about an RMA...
    post edited by Vihsadas - 2010/04/01 00:55:44

    Vintage Ninja Build - In progress: Xeon x5650 (OC@ to be determined!), Swiftech H240-x2 prestige, HW labs 3x240 stealth rad (5x140mm capacity), Classified E759 modded for xeon, Chipset/VREG block (still looking for this!), ASUS ROG Poseidon 980Ti, in loop. Silverstone strider 1000w 80+, 12GB Corsair Vengence, Samsung 850 Pro 250GB, 1TB Caviar Black. USB3.0/SATA III PCI-E card.
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    #24
    psionic98
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    Re:Simple VREG temperature fix 2010/04/01 05:30:49 (permalink)
    @hashiee - isnt that blower just sucking in hot air from the CPU HSF and dumping it into the vreg hsf..seems like it would defeat the purpose somewhat

    apps dont always read sensor info right.. I've seen different volts between eleet/cpuz/everest/BIOS.. very difficult to believe anything anymore.. need someone to get it right!

    as for my vreg, im using the Micro mobo so i dont have the fin/heatpipe assembly but a large black aluminum chunk.. i have a small 60mm fan pulling air down from below it and blowing across at an angle.. cant say temps are all that amazing.. might need to see if i can mod an old heatpipe assembly for a NB to fit on there

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    #25
    hashiee
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    Re:Simple VREG temperature fix 2010/04/01 12:32:31 (permalink)
    No, in the pic just to the right of the vreg is a 120 fan mounted on the bench which is blowing towards the gpu.
     
    http://img63.imageshack.us/img63/540/015ymc.jpg
    #26
    Nereus
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    Re:Simple VREG temperature fix 2010/04/01 21:24:50 (permalink)
    I like this idea and another someone posted recently, so I ordered some gear today and am going to combine these two ideas!

    I will put new EK 1mm pad under the heatsink, unscrew the heatsink from the base mount and add tim in there, then add some small enzotech copper heatsinks to the top of the heatsink base (which will sit under the heatsink blades), and finally a high CFM Rexus 60mm fan on top. That should have some effect!

    Thanks for the ideas!


                                                         AFFILIATE CODE : E64DMBSMI6             HEATWARE            MODSRIGS WIN

    #27
    B-Con
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    Re:Simple VREG temperature fix 2010/04/20 15:43:20 (permalink)
    Hey, all.  I recently had to remount my cpu cooler, so I decided that I would give this a try.  I mounted 2 Vizo copper heatsinks (Model CPS-22) to the VREG heatsink just as sighrus did.  They made no difference whatsoever in my temps.  What did help my temps slightly, was mounting 2 40mm fans to the VREG heatsink.  I just zip tied the fans together and mounted them with two-sided tape.  This brought my idle temps down 4º C (58º C to 54º C), but made no difference on my Intel Burn Test load temp of 71º C.  My ambient temperature was always 22º C.  I wonder if sighrus tested under the same ambient temperature before and after.  IMHO, I believe that a fan(s) on the heatsink is the best option - the bigger the better.

     

     


    post edited by B-Con - 2014/02/12 00:42:16

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    #28
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