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Thread: x79 Extreme6 post code b7 in slot c1




  1. #1
    Join Date
    Nov 2011
    Location
    South Jersey
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    Default x79 Extreme6 post code b7 in slot c1

    System is

    x79 Extreme6 bios 1.5
    3930K
    Antec Kuhler 920
    4x2GB Geil EVo Corsa 1866 C9 1.5v
    EVGA 580GTX SC
    Corsair 750W

    The board will run fine with 4 sticks in dual channel or up to triple channel, anything as long as I do not insert into the C1 slot. I have tried both XMP, and manually setting speeds, timings and voltages. Even tried downclocking the RAM. If c1 is populated I get the b7 post hang.

    So after searching, most users with b7 post issues solved their problems with different RAM, however no one mentions if the board posts in dual or triple channel configurations.

    I have had the board over a month so store return is not possible I just got the system put together recently and noticed I was running in dual channel mode. Should I start an RMA?

  2. #2
    Join Date
    Nov 2011
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    South Jersey
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    Default Re: x79 Extreme6 post code b7 in slot c1

    There is an amazing sale on Ballistix Sport sticks that should work with the Extreme6 so I just ordered them. Will update next week :)

  3. #3
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: x79 Extreme6 post code b7 in slot c1

    no sticks at all will work in c1 slot?not even just one stick in c1?

    try undoing a quarter turn on each corner of cpu heatsink as if too tight it can cause memory problems,also carefully visually inspect the cpu socket for any bent pins,take care not to touch or damage any when checking
    Gigabyte z77x UP4-TH F11c Modded Bios
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    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
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  4. #4
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    Default Re: x79 Extreme6 post code b7 in slot c1

    Nope not even a single stick works in the slot. No damage to the slot either that I could see.

    Getting some micron based RAM as there are a few sticks on the QVL that uses micron ICs.

    I did try loosening the sink as well. I would think that would not be an issue on 2011 because there is no PCB flex possible bcause of the new sink mount design. But i could be wrong.

    There is a "blemish" on one pin in the socket. Came that way and it is not bent or anything just caught my eye when I was installing the setup like a small discoloring. I tried looking for the pinout of LGA-2011 to see if I could figure out if it was a that channel (45% chance it is a memory pin) so it might be the problem. I am getting other RAM to test it first.

  5. #5
    Join Date
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    Location
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    Default Re: x79 Extreme6 post code b7 in slot c1

    if its discoloured then it might not be making good enough contact and arcing,you can if your skilled,use a fine sewing needle and magnifying glass and carefully lift up the pin very slightly and leave it at that,just so it makes contact with the underneath corresponding cpu pad

    only attempt that though as a last resort,idk if new ram would fix it as your current ram is working fine in all the other slots its just that one ram slot that isnt working,so it lookslike the board itself is at fault to me?

    again dont play or move cpu socket pins more than whats needed as they fatigue and snap off without warning very easily,if that happens you might aswell throw the board away

    you can always rma back to asrock remember if you dont want to mess yourself,which by rights you shouldnt
    Last edited by wazza300; 09-01-2012 at 09:13 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

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