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  1. #1
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    Asus Maximus XI Hero and G.Skill F4-3600C16Q-32GTZKK problem

    Hi,

    I've bought new G.Skill Trident Z, DDR4, 32 GB (4x8GB),3600MHz, CL16 (F4-3600C16Q-32GTZKK) and I try to run it with i9-9900K on Asus Maximus XI Hero. This RAM isn't on ASUS QVL but it is on G.Skill QVL.

    The i9-9900k is not overclocked (standard Turbo mode active) and XMP I profile is set (3600 MHz, CL16-16-16-36 2T @1.35V). Other BIOS things are set of Auto. I've successfuly passed these tests:
    - 8 hrs of ROG RealBench v2.43
    - Karhu RAM test 1.1.0.0 - coverage of 12600%.

    But, I have a problem. When decompressing 13GB RAR file (Winrar 64bit, 7z, etc.) I got errors stating archive is corrupted (archive consistency confirmed on other computer). Strange thing is the problem is when RAR file is on HDD. If I copy this file to SDD and try to decompress it from SDD everything goes ok. I've tried WinRAR decompressing on brand new HDD -> WinRAR failed (there isn't HDD issue therefore).

    So, I've done some additional tests:
    - only 2 sticks in A2 and B2 slots (16GB @XMP I) - WinRAR passed
    - only another 2 sticks in A1 and B1 slots (16GB @XMP I) - WinRAR passed
    - 4 sticks (32GB but @3200 MHz) - WinRAR passed.
    - 4 sicks >3200 MHz - WinRAR failed.

    I've tried to raise DRAM voltage to 1.4V, but WinRAR failed on HDD.

    PS. Generaly small RAR files (ca. 2-3GB) are decompressed normally.

    May I asked more experienced ROG users to guide me to achive XMP 3600 MHz. Or maybe I should RMA this RAM.
    Please help.
    Last edited by cniedzi; 03-29-2019 at 06:29 AM.

  2. #2
    Administrator Array Silent Scone@ASUS's Avatar
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    Quote Originally Posted by cniedzi View Post
    Hi,

    I've bought new G.Skill Trident Z, DDR4, 32 GB (4x8GB),3600MHz, CL16 (F4-3600C16Q-32GTZKK) and I try to run it with i9-9900K on Asus Maximus XI Hero. This RAM isn't on ASUS QVL but it is on G.Skill QVL.

    The i9-9900k is not overclocked (standard Turbo mode active) and XMP I profile is set (3600 MHz, CL16-16-16-36 2T @1.35V). Other BIOS things are set of Auto. I've successfuly passed these tests:
    - 8 hrs of ROG RealBench v2.43
    - Karhu RAM test 1.1.0.0 - coverage of 12600%.

    But, I have a problem. When decompressing 13GB RAR file (Winrar 64bit, 7z, etc.) I got errors stating archive is corrupted (archive consistency confirmed on other computer). Strange thing is the problem is when RAR file is on HDD. If I copy this file to SDD and try to decompress it from SDD everything goes ok. I've tried WinRAR decompressing on brand new HDD -> WinRAR failed (there isn't HDD issue therefore).

    So, I've done some additional tests:
    - only 2 sticks in A2 and B2 slots (16GB @XMP I) - WinRAR passed
    - only another 2 sticks in A1 and B1 slots (16GB @XMP I) - WinRAR passed
    - 4 sticks (32GB but @3200 MHz) - WinRAR passed.
    - 4 sicks >3200 MHz - WinRAR failed.

    I've tried to raise DRAM voltage to 1.4V, but WinRAR failed on HDD.

    PS. Generaly small RAR files (ca. 2-3GB) are decompressed normally.

    May I asked more experienced ROG users to guide me to achive XMP 3600 MHz. Or maybe I should RMA this RAM.
    Please help.

    With that much Ramtest coverage, the memory shouldn't have any issues with decompression. Have you tried running Karhu again since the issue arose? Sounds like there's possibly some memory training discrepancy.

    Set VCCSA and VCCIO voltages to 1.2v - 1.25v.

  3. #3
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    Hi,

    The problem exists since I've build my computer (3 weeks ago). This 12600% Karhu RAM test coverage is from last night (test was ran all night, 0 errors).

    When in home I will try to set VCCSA and VCCIO voltages to proposed 1.2v - 1.25v and report back.

    PS. Today morning I installed BIOS 0602 and tried to decompress 2 times - without any errors. I have to do more tests with 0602.
    Last edited by cniedzi; 03-29-2019 at 09:51 AM.

  4. #4
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    Quote Originally Posted by Silent Scone@ASUS
    With that much Ramtest coverage, the memory shouldn't have any issues with decompression. Have you tried running Karhu again since the issue arose? Sounds like there's possibly some memory training discrepancy.

    Set VCCSA and VCCIO voltages to 1.2v - 1.25v.
    I've reverted to BIOS 0602 and WinRAR errors have gone. System is rock solid.
    When 0702> WinRAR failed.

    Any idea?

  5. #5
    Administrator Array Silent Scone@ASUS's Avatar
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    Hard to say sitting from here, but memory rules change from build to build occasionally. If the memory kit is more stable on the previous UEFI, then there's little reason to change unless one is happy to tune things manually.

  6. #6
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    Quote Originally Posted by Silent Scone@ASUS View Post
    Hard to say sitting from here, but memory rules change from build to build occasionally. If the memory kit is more stable on the previous UEFI, then there's little reason to change unless one is happy to tune things manually.
    Can you guide me how to tune my RAM on BIOS 0903 pls?

  7. #7
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    Hi,

    On 0602 I am able to be rock solid @3900 MHz, CL 17-18-18-38, VCCIO 1.2V, System Agent 1.2V with my F4-3600C16Q-32GTZKK.
    Unfortunately I'm not able to do 4000MHz. I've tried DRAM voltage 1.4, VCCIO 1.4V, System Agent 1.4V, and also tried to relax timings, but RAM test and WinRAR failed
    Did I achieve a limit for my F4-3600C16Q-32GTZKK or can I dial something more to achieve stable 4000MHz.

    Is someone able to help me to get the same on 0903?
    Is any possibility to provide feedback to ASUS BIOS developers? According to forums for many persons 0602 is only way to go.
    Last edited by cniedzi; 04-01-2019 at 07:40 AM.

  8. #8
    Administrator Array Silent Scone@ASUS's Avatar
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    If looking to push past the memory vendors validated frequency, with limited experience it's best to work up gradually. Try 3700, and so on. I would also recommend sticking with the UEFI that works best with the memory kit in hand.

    Whilst doing so try to keep in mind that:

    1) Maximum obtainable frequency is a condition of both the CPU and memory capability.

    2) VCCSA and VCCIO are CPU and memory dependent and need to be tuned manually. These signal rails need to be aligned, and often too much voltage can hurt stability just as much as too little.

    3) Relaxing sub timings as well as primary may also be needed.

  9. #9
    ROG Guru: White Belt Array
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    Quote Originally Posted by Silent Scone@ASUS View Post
    If looking to push past the memory vendors validated frequency, with limited experience it's best to work up gradually. Try 3700, and so on. I would also recommend sticking with the UEFI that works best with the memory kit in hand.

    Whilst doing so try to keep in mind that:

    1) Maximum obtainable frequency is a condition of both the CPU and memory capability.

    2) VCCSA and VCCIO are CPU and memory dependent and need to be tuned manually. These signal rails need to be aligned, and often too much voltage can hurt stability just as much as too little.

    3) Relaxing sub timings as well as primary may also be needed.
    Thx for your answer. As I've mentioned earlier on 0903 I can't be stable @3600MHz (vendor verified freq). So I have to stay with 0602 and wait till any new BIOS will provide stability for me.

  10. #10
    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
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    Good to see you on this site @cniedzi :] Yes same person from Gskill site lol
    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%

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