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Thread: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.




  1. #1
    Join Date
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    Default GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    As a first time poster a quick greeting from New Zealand.

    I've had this board a couple of months now and have slowly been upgrading my system. One of those upgrades was my DRAM where I purchased 2 sets of G-Skill Sniper F3-12800CL7D-8GBSR(DDR3-1600 PC3 12800 7-8-7-24-2N 1.6V)

    The two kits are sequentially numbered and G-Skill say on their web site they will work on this board (I am aware that Gigabyte does not have it listed on the QVL)

    The issue. When I run this ram up in XMP mode in either an 8GB config or a 16GB config - the timings go to 8-8-7-24 instead of 7-8-7-24. When I check the memory in any reporting software like CPU-Z/SiSoft etc...it always shows up as having XMP data of 7-8-7-24 but running as 8-8-7-24.

    I can set the timings manually in 8 GB mode to 7-8-7-24 in any combination of sticks in either slots 1 and 3 or 2 and 4, and the timings will hold. If I set the timings manually in 16GB mode the system will not boot to windows until it cycles itself with an OC issue and then sets the memory to 11-11-11-28. If I set the timings manually to 8-8-7-24 in 16GB it boots fine.

    I am aware that some other users of this board have had a similar issue with G-Skill Ram but not specifically the same modules as me.

    All modules have been tested individually using Memtest for about 8 hours each and with no errors. My system runs just fine on 8-8-7-24 with 16GB on board and is as stable as - right up to 5.25 GHZ.

    I have done all the necessary tweaks with voltage etc. with no luck. So really the issue for me is why would RAM that is carrying XMP timings of 7-8-7-24 boot up as 8-8-7-24 when utilising the XMP profile from within this board. Is it a board issue or is it a memory issue. I can't help but think it may be an issue of the board given the XMP profiling issue. I have tried BIOS F4, F8 and running F9C, same problem on all.

    Thoughts?
    Last edited by ~LL~; 10-17-2011 at 10:45 AM.
    Corsair 800D Case
    Gigabyte GA-Z68X-UD7-B3 F9
    i7-2600K @ 4.8GHz
    4x4GB G.SKill Sniper 1600MHz F3-12800CL7D-8GBSR 8-8-7-24@1.6v
    Corsair H100
    Corsair 120GB Force 2 SSD
    4x 1.5TB WD Greens
    SilverStone Strider Gold 1200W
    2x Sapphire HD 6970

  2. #2
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Can I get the Gigabyte rep to refer to this thread please, where the issue has been duplicated by G-Skill

    http://forums.tweaktown.com/g-skill/...therboard.html
    Corsair 800D Case
    Gigabyte GA-Z68X-UD7-B3 F9
    i7-2600K @ 4.8GHz
    4x4GB G.SKill Sniper 1600MHz F3-12800CL7D-8GBSR 8-8-7-24@1.6v
    Corsair H100
    Corsair 120GB Force 2 SSD
    4x 1.5TB WD Greens
    SilverStone Strider Gold 1200W
    2x Sapphire HD 6970

  3. #3
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    What voltages have you tried with regarding dram and qpi/vtt? The reason its loosening timings is because qpi/vtt isn't enough so it finds the next best settings,raise qpi/vtt voltage one or two clicks more than what auto uses,might need more
    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
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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!!
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  4. #4
    Chike is offline Senior Member
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Quote Originally Posted by ~LL~ View Post
    Can I get the Gigabyte rep to refer to this thread please, where the issue has been duplicated by G-Skill

    http://forums.tweaktown.com/g-skill/...therboard.html
    You will have to contact GB support on their site.

  5. #5
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Quote Originally Posted by wazza300 View Post
    What voltages have you tried with regarding dram and qpi/vtt? The reason its loosening timings is because qpi/vtt isn't enough so it finds the next best settings,raise qpi/vtt voltage one or two clicks more than what auto uses,might need more
    I've tried all the way up to 1.30 QPI/VTT with no luck.

    Simply put - with 16GB of memory installed on this board running in XMP mode - it will default to 8-8-7-24 timings - despite the timings being loaded in BIOS as 7-8-7-24. Set the timings to manual at 7-8-7-24 - the board simply won't boot. No matter how high the QPI or VCore or DRAM Voltage. Loosen the timings to 8-8-7-24 and it'll boot and be stable no problem at all with CPU @ 4.2GHz, VCore 1.200V the QPI/VTT @ 1.14 RAM 1.60V.
    Corsair 800D Case
    Gigabyte GA-Z68X-UD7-B3 F9
    i7-2600K @ 4.8GHz
    4x4GB G.SKill Sniper 1600MHz F3-12800CL7D-8GBSR 8-8-7-24@1.6v
    Corsair H100
    Corsair 120GB Force 2 SSD
    4x 1.5TB WD Greens
    SilverStone Strider Gold 1200W
    2x Sapphire HD 6970

  6. #6
    Join Date
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Could simply be a BIOS issue/incompatibility,it takes a while for bios's to catch up,it should've worked with rated timings whith a slight bump in voltages imo,you can email gigabyte directly stating the problems your having with that make/model of ram and they might forward you a custom BIOS to test
    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!!!!!!!!!!!!!!!!!!!!!!

  7. #7
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Quote Originally Posted by wazza300 View Post
    Could simply be a BIOS issue/incompatibility,it takes a while for bios's to catch up,it should've worked with rated timings whith a slight bump in voltages imo,you can email gigabyte directly stating the problems your having with that make/model of ram and they might forward you a custom BIOS to test

    Good idea - I'm more than happy to test new BIOS's. You wouldn't happen to have an email addy to use? This is my first dealings with a Gigabyte board so don't have any experience with them other than for them to say that the RAM isn't on their QVL, which I must say helped immensley(sarcasm)

    Their response:

    Dear Chris ,

    Thank you for your kindly mail. First of all, we do not find "F3-12800CL7D-8GBSR" in memory support list. Although there is similar one; please note it can still difference to the result of running. Since without XMP, the motherboard works fine, it seems motherboard itself is fine; we suggest you to use 1.5V JEDEC regulated modules or take your own risk to add voltage to support 1.6V modules.

    Since it is easy to find memory compatiblity issue, and there are too many products in the market that we are not able to test all of them, we suggest you to refer to our memory support list or if you worry about hardware compatibility issue, we will suggest you to test before purchasing. If that is not possible, please then find a local store you can trust where can provide good after sale service to make sure you can get full support in the future.

    Regards,
    GIGABYTE
    Corsair 800D Case
    Gigabyte GA-Z68X-UD7-B3 F9
    i7-2600K @ 4.8GHz
    4x4GB G.SKill Sniper 1600MHz F3-12800CL7D-8GBSR 8-8-7-24@1.6v
    Corsair H100
    Corsair 120GB Force 2 SSD
    4x 1.5TB WD Greens
    SilverStone Strider Gold 1200W
    2x Sapphire HD 6970

  8. #8
    Join Date
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    8-8-7-24 timings are fine though as in you wont see any performance difference,they might argue that the memory isnt on their list so i dont know how you would get on

    i only know gigabyte u.s/taiwan/and u.k websites,it should have help/contact and an email address you can email and ask them to test with your model ram and ask for a modified/custom bios

    i think you have to fill in a form,was this the form you filled in when you got that reply?

    GIGABYTE GTS Zealand&SourceWeb=B2C
    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!!!!!!!!!!!!!!!!!!!!!!

  9. #9
    Join Date
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    new york
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    where the issue has been duplicated by G-Skill


  10. #10
    Join Date
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    Default Re: GA-Z68X-UD7-B3 and G-Skill Sniper DRAM issue.

    Quote Originally Posted by wazza300 View Post
    8-8-7-24 timings are fine though as in you wont see any performance difference,they might argue that the memory isnt on their list so i dont know how you would get on

    i only know gigabyte u.s/taiwan/and u.k websites,it should have help/contact and an email address you can email and ask them to test with your model ram and ask for a modified/custom bios

    i think you have to fill in a form,was this the form you filled in when you got that reply?

    GIGABYTE GTS Zealand&SourceWeb=B2C
    Yes that's the form.
    Corsair 800D Case
    Gigabyte GA-Z68X-UD7-B3 F9
    i7-2600K @ 4.8GHz
    4x4GB G.SKill Sniper 1600MHz F3-12800CL7D-8GBSR 8-8-7-24@1.6v
    Corsair H100
    Corsair 120GB Force 2 SSD
    4x 1.5TB WD Greens
    SilverStone Strider Gold 1200W
    2x Sapphire HD 6970

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