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  1. #131
    ROG Guru: Yellow Belt Array SK8 PC Specs
    SK8 PC Specs
    MotherboardMaximus XI Extreme
    ProcessorIntel I9 - 9900K
    Memory (part number)DDR4 G.Skill Trident Z RGB 4266Mhz 32GB F4-4266C17Q-32GTZR
    Graphics Card #1ROG Strix OC 2080Ti
    MonitorSamsung 49" CHG90 QLED Gaming Monitor 144Hrz 1ms
    Storage #1Samsung 850 Pro X-Three-1TB
    CPU CoolerHydro Series H150i Pro RGB 360mm Liquid CPU Cooler
    CaseCorsair Obsidian Series 1000D
    Power SupplyCorsair HX 1200i
    Keyboard Corsair K70
    Mouse Corsair Sabre
    Headset Sennheiser Game Zero Headset
    Mouse Pad Corsair MM800 RGB POLARIS
    Headset/Speakers Sennheiser GSX 1000 Audio Amplifier
    OS Win 10 Enterprise 64bit
    Accessory #1 Logitech G13 handpad
    SK8's Avatar
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    Jan 2016
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    We got it tonight stable thanks fully to @Phillyflyer and his amazing help and settings. I have no words to thank him enough for his amazing help walking me though all this as very little information online on how to do it fully correct when your not a OC person. So I hope all this below will fully help another person in the same boat I was in.
    Also big thanks to @Silent Scone@ASUS for pointing me towards using the best program to test a OC https://www.karhusoftware.com/ramtest/ love this software yes you can use this free one as well https://hcidesign.com/memtest/ but I liked the Karhu RamTest best was worth the money under $20.
    So if you have my parts below this is well worth a try...
    Intel I9 - 9900K
    ROG Maximus XI Extreme
    DDR4 G.Skill Trident Z RGB 4266Mhz 32GB [ F4-4266C17Q 32GTZR]
    Tested Latency 17-18-18-38

    So if anyone has my MB and Ram and CPU this is how @Phillyflyer got my ram to 4266MHz

    First I had to ditch bios 805 for what ever reason my rig hated it and we got no place with me on bios 805. I went to Bios 602 and my rig is way more happy and we started to get it working slow but sure.

    Set to Manual OC
    Dram Frequency 4266MHz
    Dram voltage 1.45v
    CPU VCCIO Voltage 1.25v
    CPU System Agent Voltage 1.29v
    Dram timing control 17-18-18-38
    Mode1
    Dram command rate set to 2N set dram current capability to 130%

    You can find dram current capability under
    External Digi + Power Control

    BTW my max ram temp 6hrs in of testing is 48c so pretty solid and I am very happy :]

    Click image for larger version. 

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    Last edited by SK8; 03-22-2019 at 06:53 AM.
    Bios 602
    passed 8hr test on Karhu RamTest
    Set to Manual OC
    Dram Frequency 4266MHz
    Dram voltage 1.45v
    CPU VCCIO Voltage 1.25v
    CPU System Agent Voltage 1.29v
    Dram timing control 17-18-18-38
    Mode1
    Dram command rate set to 2N set dram current capability to 130%

  2. #132
    Administrator Array Silent Scone@ROG's Avatar
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    Nice work

  3. #133
    ROG Guru: Yellow Belt Array SK8 PC Specs
    SK8 PC Specs
    MotherboardMaximus XI Extreme
    ProcessorIntel I9 - 9900K
    Memory (part number)DDR4 G.Skill Trident Z RGB 4266Mhz 32GB F4-4266C17Q-32GTZR
    Graphics Card #1ROG Strix OC 2080Ti
    MonitorSamsung 49" CHG90 QLED Gaming Monitor 144Hrz 1ms
    Storage #1Samsung 850 Pro X-Three-1TB
    CPU CoolerHydro Series H150i Pro RGB 360mm Liquid CPU Cooler
    CaseCorsair Obsidian Series 1000D
    Power SupplyCorsair HX 1200i
    Keyboard Corsair K70
    Mouse Corsair Sabre
    Headset Sennheiser Game Zero Headset
    Mouse Pad Corsair MM800 RGB POLARIS
    Headset/Speakers Sennheiser GSX 1000 Audio Amplifier
    OS Win 10 Enterprise 64bit
    Accessory #1 Logitech G13 handpad
    SK8's Avatar
    Join Date
    Jan 2016
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    10
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    143

    Thank you Silent Scone@ASUS it was all @Phillyflyer he was the Boss I just followed orders it's all his skill and knowledge I could not have done it with out him :]

    On a side note with Karhu RamTest for anyone who does use it if you run it past the 10000% mark like i tend to you can get a false error @ times but not always, so don't let it give you a heart attack like it did me last night lol. Just reboot PC run it again to be sure if you want :] I am not sure why it does this as heat on ram and cpu was the same both tests sadly I did not take a picture of the temps after first picture above but I do know they never went past 48c on my ram. Most people don't run it for 6hr or more but I like to as it just screams I'm stable lol. From reading I did on it once you pass the 10000% you are more then stable and I love this program best buy for under 20 dollars. For a example of a false error see both pictures below ....
    Same ram speeds 4266MHz both tests past the 10000% mark first one full on false error rebooted pc let it run as I got some sleep and it passed second time

    Click image for larger version. 

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    Bios 602
    passed 8hr test on Karhu RamTest
    Set to Manual OC
    Dram Frequency 4266MHz
    Dram voltage 1.45v
    CPU VCCIO Voltage 1.25v
    CPU System Agent Voltage 1.29v
    Dram timing control 17-18-18-38
    Mode1
    Dram command rate set to 2N set dram current capability to 130%

  4. #134
    Administrator Array Silent Scone@ROG's Avatar
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    A couple of things to note

    1) Errors are errors. Any error count during the test accounts for a bit error, meaning the memory has become unstable.

    2) Given the amount of coverage and the memory frequency/timings with 4 memory modules, one has to have a realistic expectation of stability, as we're pushing things far out of spec. I would not be overly concerned with one error in this amount of coverage. Simply use the system and feel free to post back if you experience any instability during day to day.

  5. #135
    ROG Guru: Yellow Belt Array
    Join Date
    Sep 2012
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    I'am glad atm - my first 9900KS was "only" able to run 32GB 4.133 CL17 100% stable.

    But it doesnt work really with the 32GB 4.266 CL17 Kit & the 64GB 3.733 CL17 Kit.

    Now i got a new KS and the 4.266 Kit runs nearly out of the box!

    Started @4000mhz and after reboot i go a step higher.

    ATM it looks the kir runs stable:

    DRAM 1,4550v
    VCCIO: 1,20625v
    SA: 1,21875

    HWiNFO:

    DRAM 1,468v
    VCCIO: 1,216v
    SA: 1,232v

    It runs Prime95 720-800k / hci memtest pro and Karhu RAM Test.
    Last edited by Mappi75; 12-08-2019 at 09:07 PM.
    Intel Core i9-7980XE @ Noctua NH-D15S | ASUS ROG Rampage VI Extreme | MSI GTX 1080 Ti Lightning Z SLI | G.Skill 128GB RAM, DDR4-3200, CL14 | Samsung SSD 960 PRO 2TB | 2x Samsung SSD 840 PRO (512GB) + 2x Samsung SSD 830 (512GB) | Plextor PX-L890SA | Corsair AX1500i Titanium | Lian Li TYR PC-X2000F @bequiet Silentwings USC |

    Intel Core i7-6950X @ Noctua NH-D15S | Asus ROG Rampage V10 Extreme | MSI GTX 1080 Ti Lightning Z | Kingston 128GB RAM, DDR4-2666, CL15 | Seasonic 1.000 Platinum |

  6. #136
    New ROGer Array SAMDestroy PC Specs
    SAMDestroy PC Specs
    MotherboardMaximus XI Formula
    ProcessorIntel I9-I9900KS
    Memory (part number)G.SKill TridentZ RGB 32GB Kit DDR4-4266 CL17 (F4-4266C17Q-32GTZR)
    Graphics Card #1ROG Strix 2080 TI White Edition
    CPU CoolerROG Ryojin 360
    CaseNanoxia Project S
    Power SupplyROG Thor 850p
    SAMDestroy's Avatar
    Join Date
    Jan 2020
    Reputation
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    Quote Originally Posted by Mappi75 View Post
    I'am glad atm - my first 9900KS was "only" able to run 32GB 4.133 CL17 100% stable.
    ATM it looks the kir runs stable:

    DRAM 1,4550v
    VCCIO: 1,20625v
    SA: 1,21875

    HWiNFO:

    DRAM 1,468v
    VCCIO: 1,216v
    SA: 1,232v

    It runs Prime95 720-800k / hci memtest pro and Karhu RAM Test.
    Exact this voltage combinated with the other settings from this thread are working solid for me.
    XMP2 Profile

    Maximus XI Formula Board with firmware 1302 (1402 is not working!)
    I9 9900KS CPU
    F4-4266C17Q 32GTZR 32GB RAM @ 4266MHZ
    Thor 850P Power Supply

    the changed voltage settings did the trick for me.

    thank you :-)

    SAM

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