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  1. #1
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    No Dual Channel on TUF X299 Mark2

    Hi folks

    I have an issue trying to enable dual channel on this board. I have enabled XMP and have the dimms in the grey slots a1, b1, c1, d1. They are working but not performing well as shown in the UserBenchmark http://www.userbenchmark.com/UserRun/7550340

    CPU: Intel Core i7-7800X - 108.7%
    GPU: Nvidia GTX 970 - 65.1%
    SSD: Samsung 960 Evo NVMe PCIe M.2 250GB - 223.1%
    SSD: Samsung 850 Pro 256GB - 111.9%
    SSD: Samsung 840 120GB - 56%
    RAM: Corsair Vengeance LPX DDR4 3000 C15 4x8GB - 84.6%
    MBD: Asus TUF X299 MARK 2
    Windows 10 64

    I tried clearing the CMOS and running one dimm and two dimms but no difference.

    CPU-Z has DC mode box blanked out.

    Any input would be very welcome, thanks

  2. #2
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    Running most up to date BIOS (1102)

  3. #3
    ROG 師傅 Array Arne Saknussemm PC Specs
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    Arne Saknussemm's Avatar
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    Hey Dogeared

    What is CPUz reporting for speed?

    You have a quad channel board and the RAM should be working quad channel....just check it's running at 3000MHz not 2666

  4. #4
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    Hello mate Here's a screenie from CPU-Z

    Click image for larger version. 

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  5. #5
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    Ok, so it's running slightly overclocked 2666

  6. #6
    ROG 師傅 Array Arne Saknussemm PC Specs
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    Arne Saknussemm's Avatar
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    Does it have a couple of XMP profiles? maybe one 2666 and one 3000...I presume the benchmark is measuring that 80 odd percent as not 3000...

    Basically calling you out for not OCing it to it's rated speed hehe

  7. #7
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    No it has disabled or profile1, I may be able to tweak it up to 3000 however, I'll have a look

    SO I take it dual channel doesn't apply then

  8. #8
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    God I sound such a newbie

  9. #9
    ROG Guru: Blue Belt Array gupsterg PC Specs
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    Quad is more desirable IMO .

    Using slots A1, B1, C1, D1 = Quad channel.

    Using slots A1, A2, C1, C2 = Dual channel.
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  10. #10
    ROG 師傅 Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH EXTREME
    ProcessorTHREADRIPPER 1920X
    Memory (part number)F4-3200C14Q-32GVK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Phobya Bench...let it all hang out man!
    Power SupplySeasonic SS-1200XP3
    Keyboard Logitech G810 or Fender Rhodes Electric Piano (MKI 73)
    Mouse G502 or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
    Accessory #2 Err...belt?
    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
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    Quote Originally Posted by Dogeared View Post
    SO I take it dual channel doesn't apply then
    No...unless...

    What is the exact kit part number?

    If it's 3000 rated it ought to have a 3000 profile...

    Is it a single quad channel kit? or two dual channel kits combined?

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