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Thread: Just got x58a ud5, memory showing 4 out of 6 GB?




  1. #1
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    Default Just got x58a ud5, memory showing 4 out of 6 GB?

    Just got this board a week ago. I made sure memory was compatible, ran memtest, and tried another i7 chip. It seems slot 3 doesn't register. I am running gskill trident 2000mhz. I can get pc into windows, but it takes 3 times and it keeps giving me detecting dramm size and on the 4th try it loads windows. Any ideas? When I check windows it says 6gb (4 usable).

  2. #2
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    Default Re: Just got x58a ud5, memory showing 4 out of 6 GB?

    Have you checked CPU socket for bent pins? What qpi/vtt voltage are you using?
    Gigabyte z77x UP4-TH F11c Modded Bios
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    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
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    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

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  4. #4
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    Default Re: Just got x58a ud5, memory showing 4 out of 6 GB?

    1.26v qpi/vtt for ram@2000mhz? if so you will need more,for a dead ram slot its either not enough voltage,bent cpu pin/pins or theres a break in the copper traces in the pcb from the ram slot to the cpu socket,this is caused from the mb twisting or flexing or applying too much pressure when installing the cpu heatsink ect,i cant think of what else it could be,
    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!!!!!!!!!!!!!!!!!!!!!!

  5. #5
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Just got x58a ud5, memory showing 4 out of 6 GB?

    if the cpu and memory are from the older system (EX58-UD5) Try more qpi/vtt. I think sin0822 showed the X58a-UD5 undervolts qpi/vtt voltage a tad bit. Maybe Tripple check the cpu socket.

    Run memory at slower speed or up qpi/vtt votlage and see if that helps.
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  6. #6
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    Default Re: Just got x58a ud5, memory showing 4 out of 6 GB?

    Ok, It turned out to be the board. I rma'ed back to store and picked another x58a ud5 from tiger direct. All memory accounted for now. That was a pain, but all is well now. I am ready now to put new board into my new modded case, Corsair 800d, xspc 480 and xspc 240. All inside. Pics to come. ?, I have a new vortex 3 ssd going into this machine, how are the sata three controllers on this board. Ooh yeah, thanks for all the suggestions and help.

  7. #7
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    Default Re: Just got x58a ud5, memory showing 4 out of 6 GB?

    There's two versions of the Marvell SATA 3 ports,the later version isn't too bad but its not as fast as the Intel sata3,you will have to test and post some read/write figures
    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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