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Thread: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.




  1. #1
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    Default GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    I have just put this system together, and have a peculiar problem. Sadly the Gigabyte tech support website appears to be in transit, and the mail goes unanswered. So I am looking for any tips and tricks anyone can offer. I purchased the OCZ3G1600LV6GK kit which was in the Gigabyte support list. This created the first problem. The board can't support three double sided sticks, only two, in slots 1 and 4. Dissapointing, but that's the least of my problems. Having installed the sticks in the correct slots brings no joy either. According to the BIOS's M.I.T. screen there are 2048MB's in each of slot 1 and 4 BUT the "Enabled" line indicates 2048MB in slot 3, which does not have anything installed. Total memory is indicated as only 2048MB. I tried swapping the sticks around but it produced no results. The diagnostic LED on the board indicates "FF" for which there is no mention in the manual. If anyone can make a suggestion, I would really appreciate it.

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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    FF means everything is fine, does it show 2 or 4gb of ram in the bios or in windows????? i just looked at the manual for your board and yes for 2 sticks of dual channel it should be installed into the two white ram slots
    Last edited by wazza300; 06-03-2010 at 09:08 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
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  3. #3
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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    What BIOS version are you using?

    Are you setting your own QPI/Vtt and Dram voltages? If not you need to.

    This can be caused by incorrect settings, or bent CPU socket pins, also other causes but this is normally the main ones.

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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    Quote Originally Posted by Lsdmeasap View Post
    What BIOS version are you using?

    Are you setting your own QPI/Vtt and Dram voltages? If not you need to.

    This can be caused by incorrect settings, or bent CPU socket pins, also other causes but this is normally the main ones.
    The MB arrived with version F4 installed. I updated it to F9 this morning. The BIOS still shows only 2048MBB active. The change which occured when I updated the BIOS is as follows. With F4 the enabled memory was in slot4, and now it is in slot 3, which makes no sense to me. I have removed and checked the CPU pins, and re-seated the CPU without any visible results. If there was a hardware problem would it not be reflected in the diagnostic LED indications? Thank you for your help.

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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    Are you using the slots labeled DDR2_1 and 4? Physical from the CPU 3+6? Just checking to be sure.

    No, not always will a hardware issue be shown in the LED. Can you test each stick one by one in the known working slot? Then again one by one in the other slot, and tell me what you find through this test.

    One stick should boot by itself in either white slot.

    What Dram voltage are you setting, and what QPI/Vtt values have you already tried?

    Have you checked for shorts on the front of your board caused by the heatsink or minting screws, and checked to be sure the backplate is not shorting anything?

    How about traces, have you looked to be sure they are no scratched traces on the front or rear of the board going from the memory to the CPU socket?

    Do you have or can you borrow different memory to test with?

    If you remove your CPU again please take some pics, several times I have seen bent pins in pics and the users did not even notice them and said things were fine.

    I'm not saying you are blind or anything, just saying it can be hard to notice and a pic would let us all be sure.

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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    Quote Originally Posted by Lsdmeasap View Post
    Are you using the slots labeled DDR2_1 and 4? Physical from the CPU 3+6? Just checking to be sure.

    No, not always will a hardware issue be shown in the LED. Can you test each stick one by one in the known working slot? Then again one by one in the other slot, and tell me what you find through this test.

    One stick should boot by itself in either white slot.

    What Dram voltage are you setting, and what QPI/Vtt values have you already tried?

    .
    You were absolutely correct. The key was your suggestion of trying the sticks individually, and I found a bad one. I guess getting three sticks paid off in the end in an unexpected manner.

    Currently the system is running with the default settings, ie: 1.5v, 7,7,7,19 with an intelleaf value of 4, at 1066Mhz. OCZ calls for 1.65v 8,8,8,24 with no suggestion for the interleaf value. Should I leave well enough alone, or is it advisable to up the ante
    as per OCZ?

    I am much obliged to you for your assistance, it is truly appreciated.

  7. #7
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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    you can set them to 1600mhz and rated timing/voltage they should run fine advanced timings are best left on auto,just set the command rate to 1T
    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
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    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
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    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
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    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!!
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  8. #8
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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    Nice to see you found the issue!

    You can setup 1600mhz now with 4GB if you want. If you setup a RMA you should RMA the whole kit so you get back a matching set, most places will make you do this anyway.

    I am not sure what you mean by "intelleaf"

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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    Quote Originally Posted by Lsdmeasap View Post
    Nice to see you found the issue!

    You can setup 1600mhz now with 4GB if you want. If you setup a RMA you should RMA the whole kit so you get back a matching set, most places will make you do this anyway.

    I am not sure what you mean by "intelleaf"
    Well, I tried, without much success. Upon further reading I found out that the i7 800 series CPU only supports either 1066 or 1333 Mhz, so I'll have to settle for the latter.
    The Gigabyte list of supported memory is in error on two counts. First, none of the 6G kits with DS memory should be listed, as there is no way to use the third stick. Second, it should exclude all memory above 1333 Mhz as the 1156 based memory is the top speed supported by this Intel CPU family. Going to 6Gb DDS and higher speeds is just a waste of money.

    As for the bad stick, it puts to question just how these kits are hand tested and matched by the manufacturer. If true, I should not have had this experience.

    Thanks for the suggestions, they were key to solving the problem.

  10. #10
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    Default Re: GA-P55A-UD6 + i7-860 +OCZ3G1600LV6GK problem.

    That is not right, you can use any memory you want with your CPU.

    That 1333Mhz rating means at stock Bclk that is default memory speeds is all.

    DOA can happen with any product, they can't hand test 10000's of sticks of memory or product each day. It happens, just something you have to get used to.

    Setup a RMA on your memory and the next kit should work fine

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