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Thread: My modded NB chipset cooler installed. 1155 Gigabyte z68




  1. #1
    Join Date
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    Default My modded NB chipset cooler installed. 1155 Gigabyte z68

    I am posting this so that others can do the same thing if they see fit.

    My current board is a GA-Z68X-UD3H-B3 1155 motherboard.
    2600k @ stock 3.4ghz (for baseline testing)

    The stock north bridge heat sink was a passive aluminum plate, approximately 2.5" X 3" and the thickness ranged from 5/16" to 3/16".
    Though my NB temps we not too high. I always like to improve where i can.

    As there is not enough room for a tower type cooler, i had to improvise.
    I used an old school vga active cooler. It is made from solid copper and is 54.8mm (just over 2") in diameter with a base thickness of almost 7/64" (2.7mm) and just over 1/2" with the fan cover.Weighing almost twice what the stock cooler weighed.


    The Spire Coolforce vga cooler i used is no longer available, but here is a similar cooler.Newegg does have other brands and colored vga coolers as well.
    I just posted the cheapest that i could find.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16835119079

    #1Tools needed.
    Drill
    Drill bits (5/32)
    Thermal past
    cooler
    Dremel with a small cutting wheel. (the bit just fit into my Dremel, but wouldn't tighten down all the way, though it still worked.)

    #2 Will it fit?
    I have less than 1/2" clearance between my video card and the NB chip. I do have plenty of room as the diameter of the stock and replacement cooler are almost the same. As far as height goes, i did have to remove the fan cover. Now i have plenty of clearance.


    A good way to check clearance is to look at your sata connectors. With the video card installed, you have roughly 1/16" between the connectors and card.

    #3 Making it fit.
    As the push pin or bolt on holes are a different distance apart from one another, i had to drill the holes slightly larger on the vga cooler to insure that the cooler would lay flat on the chip and not be pulled at an angle. I used a 5/32" drill bit to do this.

    Then when laying the cooler into place i noticed that a capacitor was in the way. I had to use the Dremel to notch out an area of the vga cooler to fit over the capacitor.
    EDIT: That is a quartz crystal rather than a capacitor.



    The holes through the board were too large to use push pins or a machine screw. I used these plastic adapter washers that came with my Zalman socket 1156/775 clip kit in both the mobo and the cooler (The 4 came with the kit). $5 from newegg.
    http://www.newegg.com/Product/Product.aspx?Item=N82E16835118053
    <a href="http://s195.photobucket.com/albums/z100/micro5797/HWA/?action=view&amp;current=zalmantoupload.jpg" target="_blank"><img src="http://i195.photobucket.com/albums/z100/micro5797/HWA/zalmantoupload.jpg" border="0" alt="Photobucket"></a>

    New cooler installed:


    Here are my before and after temps.
    I used prime 95 torture test for 16 min.


    NB temp
    Stock, prime 95 @ 52c, 125f
    Vga, prime 95 @ 47c, 116f

    Mobo temp
    Stock, prime 95 @ 37c, 98f
    Vga, prime 95 @ 31c, 87f

    The higher the over clock the more the vga cooler will be useful at even higher temps.

    I do notice the vga cooler cools faster when you stop prime 95 then the stock cooler.
    Last edited by micro5797; 09-03-2011 at 09:58 PM.

  2. #2
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    Default Re: My modded NB chipset cooler installed. 1155 Gigabyte z68

    You can copy/paste the html embed here to display your screenshots,you can edit your post if you want to insert the codes,the nb runs hot anyway around the 50c mark but that's a great improvement on stock,plus it will give you more headroom later if you plan to overclock
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  3. #3
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    Default Re: My modded NB chipset cooler installed. 1155 Gigabyte z68

    @wazza300
    Thanks for your help.
    I normally just do an easy OC to 4 ghz, but i like to do all my heat testing at stock as a baseline.
    Yes, the cooler will work out a lot better with an OC than the stock cooler.

  4. #4
    canardlover is offline Junior Member
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    Default Re: My modded NB chipset cooler installed. 1155 Gigabyte z68

    Himicro5797, I hope to revive this thread since I have the same mobo and the same worries as you had. Nice mod you made, I would like to copy but two things I would ask you to elaborate a bit on:
    1) I cannot see the fastening screws in your pics -going through the mobo..?
    2) It appears you can monitor NB/chipset temp...how..??..I cannot even with SpeedFan..
    ..thank you..!
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  5. #5
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    Default Re: My modded NB chipset cooler installed. 1155 Gigabyte z68

    I'd guess he used the plastic bushings as an insulator on the bottom of the board. Could had used 6x32 screws... but I would personally use Nylon screws and nuts. 3-4mm is usually a safe size for hole diameters in motherboards.

    Vin
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  6. #6
    canardlover is offline Junior Member
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    Default Re: My modded NB chipset cooler installed. 1155 Gigabyte z68

    Quote Originally Posted by Vinster View Post
    I'd guess he used the plastic bushings as an insulator on the bottom of the board. Could had used 6x32 screws... but I would personally use Nylon screws and nuts. 3-4mm is usually a safe size for hole diameters in motherboards.

    Vin
    Thanks Vin, I think you are right. Nylon screws is a good suggestion since bushings are not needed then...
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