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  1. #1
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    Unhappy Z390-E Gaming 4133Mhz ram instability

    A-Data SPectrix 4133 4x8gb sticks 19-23-23-45 at 1.4v not stable on z390-e gaming.
    Changing vccsa vccio doesn't help. Going Dimm voltage up to 1.5 doesn't help so i guess the motherboard is not optimised for this memory.
    I settled on 3800 16-16-16-34 at 1.4v vdimm with every subtiming at very very tight values working just fine on 1.25 IO/SA. What can i do to run 4000 or more on this combo? I have a 9900k R0.
    Loosening the timings even more than the default xmp profile doesn't do anything so i guess i hit a wall on the motherboard which is weird. this mb can do up to 4266 so there must be some tweaks that i can do to make it work. I only mess with primaries, secondaries, tertiary and some voltages as vccio/vccsa/vdimm. Help please.

    UPDATE: It was these settings:
    ODT RTT PARK (CHA) [Auto]
    ODT RTT PARK (CHB) [Auto
    Change them to 40 48 and you're good. There is hope afterall. Your 9900ks might not have a trash IMC and your board might not have to be replaced. Read the thread for more details.
    Last edited by qlfenv; 06-01-2020 at 08:12 AM.

  2. #2
    ROG Guru: Yellow Belt Array Enderwiggin03 PC Specs
    Enderwiggin03 PC Specs
    MotherboardROG STRIX Z390-E Gaming
    ProcessorIntel Core i9 9900k @ 5.1Ghz on all 8 cores 1.355v
    Memory (part number)F4-4266C19D-16GTZR @ 4000Mhz CL16-17-17-35 1.45v
    Graphics Card #1EVGA RTX 2070 XC Ultra
    Sound CardCreative Sound Blaster X AE-5
    MonitorASUS VG248QE
    Storage #1Samsung 970 Evo 500GB m.2
    Storage #2Samsung 860 Evo 1TB SATA
    CPU CoolerEVGA CLC280 with 4x NF-A14 iPPC-3000 PWM (push/pull)fans
    CaseFractal Design R6
    Power SupplyEVGA G3 1000w
    Keyboard Logitech G513 Carbon
    Mouse Logitech G703
    Mouse Pad Logitech Poweplay
    OS Windows 10 Home x64

    Join Date
    Nov 2018
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    Good luck, I have the same board and I couldn't get any higher than 4000mhz with my setup. I honestly think getting the higher frequencies require the exact kits in the QVL.

  3. #3
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    Quote Originally Posted by Enderwiggin03 View Post
    Good luck, I have the same board and I couldn't get any higher than 4000mhz with my setup. I honestly think getting the higher frequencies require the exact kits in the QVL.
    BRO!!! I just managed to fix the god damn problem. It's not related to CPU's IMC or wahtever its the ****ing ODT settings(on die termination impedance) found on skew control under dram timings configuration. The motherboard doesn't set that correctly so i configured them manually. There are 6 options so in order i set 80 34 34 80 34 34 (basically the lowest impedance), and it ****ign fixed everything. I'm almost convinced that the qvl memory has these set correctly while non qvl has to be tweaked. I'm running now 4400mhz cl19 on my Z390-E gaming.

    UPDATE: i managed to only edit PARK value cuz that has something to do with PROCodt which is the main clock to 40 the rest on auto and everything is perfect. on the first values i posted i had a bit of perf loss.
    Last edited by qlfenv; 05-31-2020 at 08:16 PM.

  4. #4
    ROG Guru: Yellow Belt Array
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    Hello,

    did you fix
    ODT RTT PARK (CHA) [Auto]
    ODT RTT PARK (CHB) [Auto]

    Both to 40 - thats all?
    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 |

  5. #5
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    Quote Originally Posted by Mappi75 View Post
    Hello,

    did you fix
    ODT RTT PARK (CHA) [Auto]
    ODT RTT PARK (CHB) [Auto]

    Both to 40 - thats all?
    Yea, only the park values need to be tweaked. Theoretically, more of this is might be needed for stability, it's trial and error.
    It's ram kit dependant. I set mine to 40. Try what works for your kit, but lower means that the resistance is lower so the signal integrity will be kept.
    Last edited by qlfenv; 06-01-2020 at 09:08 AM.

  6. #6
    ROG Guru: Yellow Belt Array Enderwiggin03 PC Specs
    Enderwiggin03 PC Specs
    MotherboardROG STRIX Z390-E Gaming
    ProcessorIntel Core i9 9900k @ 5.1Ghz on all 8 cores 1.355v
    Memory (part number)F4-4266C19D-16GTZR @ 4000Mhz CL16-17-17-35 1.45v
    Graphics Card #1EVGA RTX 2070 XC Ultra
    Sound CardCreative Sound Blaster X AE-5
    MonitorASUS VG248QE
    Storage #1Samsung 970 Evo 500GB m.2
    Storage #2Samsung 860 Evo 1TB SATA
    CPU CoolerEVGA CLC280 with 4x NF-A14 iPPC-3000 PWM (push/pull)fans
    CaseFractal Design R6
    Power SupplyEVGA G3 1000w
    Keyboard Logitech G513 Carbon
    Mouse Logitech G703
    Mouse Pad Logitech Poweplay
    OS Windows 10 Home x64

    Join Date
    Nov 2018
    Reputation
    10
    Posts
    153

    Quote Originally Posted by Mappi75 View Post
    Hello,

    did you fix
    ODT RTT PARK (CHA) [Auto]
    ODT RTT PARK (CHB) [Auto]

    Both to 40 - thats all?
    Tried this, the board wasn't having it, sadly. Back to 4000mhz.

  7. #7
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    Quote Originally Posted by Enderwiggin03 View Post
    Tried this, the board wasn't having it, sadly. Back to 4000mhz.
    Keep in mind guys that this is kit dependant. Mine like lower values. Some likes it 0, or off. Some needs 120 or other values. It's trial and error, and it definitely helped me bacause i run my kit at 4400cl19 on a 4266 limited mb.

  8. #8
    ROG Guru: Yellow Belt Array Enderwiggin03 PC Specs
    Enderwiggin03 PC Specs
    MotherboardROG STRIX Z390-E Gaming
    ProcessorIntel Core i9 9900k @ 5.1Ghz on all 8 cores 1.355v
    Memory (part number)F4-4266C19D-16GTZR @ 4000Mhz CL16-17-17-35 1.45v
    Graphics Card #1EVGA RTX 2070 XC Ultra
    Sound CardCreative Sound Blaster X AE-5
    MonitorASUS VG248QE
    Storage #1Samsung 970 Evo 500GB m.2
    Storage #2Samsung 860 Evo 1TB SATA
    CPU CoolerEVGA CLC280 with 4x NF-A14 iPPC-3000 PWM (push/pull)fans
    CaseFractal Design R6
    Power SupplyEVGA G3 1000w
    Keyboard Logitech G513 Carbon
    Mouse Logitech G703
    Mouse Pad Logitech Poweplay
    OS Windows 10 Home x64

    Join Date
    Nov 2018
    Reputation
    10
    Posts
    153

    Quote Originally Posted by qlfenv View Post
    Keep in mind guys that this is kit dependant. Mine like lower values. Some likes it 0, or off. Some needs 120 or other values. It's trial and error, and it definitely helped me bacause i run my kit at 4400cl19 on a 4266 limited mb.
    Well, in my case it won't even post with XMP turned on...

  9. #9
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    Quote Originally Posted by Enderwiggin03 View Post
    Well, in my case it won't even post with XMP turned on...
    Then you might be limited by other factors like a broken stick or cpu imc is meh.

  10. #10
    ROG Guru: Yellow Belt Array
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    Wow - thank you thats the first time i can boot my 32GB 4.266Mh 17-18-38!

    I already tested 5-6 Kits and 2 Maximus XI Extreme Boards and 1x 9900K and 3x9900KS CPU's!

    The max what i ever could use was 4.100 16-16-36 and with a second Extreme mobo i can reach 4.133 - GSAT stable!

    Now i see the first time booting with the xmp I profile the first time ever!
    The funny was 4.300mhz i can boot to without any problems - but it was never GSAT stable.

    Thanks for this hint - now i can test if this works GSAT, Memtest Deluxe & Kahru stable.
    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 |

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