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  1. #1
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    Asus Maximus XI Extreme 4266MHz ram

    Hello everyone, just joined the forums.

    First of all thank you for your help.

    Here are my computer specs:

    CPU: i9-9900KS
    CPU Cooler: Asus ROG Ryujin360 AIO [ROG RYUJIN 360]
    MB: ASUS ROG Maximus XI Extreme [ROG MAXIMUS XI EXTREME]
    GPU: Asus ROG RTX 3090 [ROG-STRIX-RTX3090-O24G-GAMING]
    PSU: Asus ROG Thor 1200W [ROG-THOR-1200P]
    CASE: ASUS ROG Strix Helios GX601 [ROG STRIX HELIOS GX601]
    RAM: G.Skill Trident Z RGB [F4-4266C17Q-32GTZR]

    I just replaced my old 2x8GB DDR4 3000MHz exceleram black kudos memory.

    I am trying to tweak my new 4266MHz memory.

    Running BIOS 1802 on the XI Extreme.

    Extreme Tweak mode 1 will not work with either XMP I or XMP II.
    Extreme Tweak mode 2 works with both.

    On auto, the VCCSA and VCCIO are pushed to 1.40v. I set them manually to 1.25v (I also booted in Windows with just 1.17v both, but with RAM timings not tweaked)
    Enabled MRC fast boot to disable the memory training. Was always changing the memory timings and sometimes the system would hang at different error codes (23, 55, etc).

    Disabled virtualisation as it was impacting my AIDA64 Cache & Memory Benchmark.

    Now running Extreme Tweak mode 2 on XMP II with manual timings, as shown in the ASRock Timing Configurator:
    Click image for larger version. 

Name:	Timings.jpg 
Views:	1 
Size:	135.5 KB 
ID:	87477

    What is not completely seen in the picture above is RTL and IOL section from ASRock Timing Configurator:

    RTL (CHA) D0: 63
    RTL (CHA) D1: 64
    RTL (CHB) D0: 65
    RTL (CHB) D1: 65

    IO-L (CHA) D0: 3
    IO-L (CHA) D1: 3
    IO-L (CHB) D0: 3
    IO-L (CHB) D1: 3

    IOL Offset (CH A): 25
    IOL Offset (CH B): 25

    RFR Delay (CH A): 14
    RFR Delay (CH B): 14

    tWRPRE: 46
    Write_Early_ODT: 0
    tAONPD: 10
    tXP: 7
    txpDLL: 25
    tPRPDEN: 2
    tRDPDEN: 22
    tWRPDEN: 46
    OREF_RI: 64
    tREFIx9: 127
    tXSDLL: 1024
    tXS_offset: 3
    tZQOPER: 512
    tMOD: 24
    ZQCS_period: 128
    tZQCS: 128

    Giving the following results:
    Click image for larger version. 

Name:	virtualisation off xmp on.jpg 
Views:	60 
Size:	89.3 KB 
ID:	87478

    I opened this thread because I am not sure if I need some help with tweaking the timings next? If yes, I would like to leave the primary timings stock and work with the secondary timings, tertiary timings, etc
    Are my RTL and IOL out of the charts?

    I ask this because all the values are taken from a screenshot from Silent Scone@ASUS (for which I thank you a lot!) that runs same kit on MAXIMUS XI FORMULA, with i9-9900K, picture attached bellow:
    Click image for larger version. 

Name:	4266 Stable SA.jpg 
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Size:	223.2 KB 
ID:	87479

    Also, what do you recommend to test stability? I had no BSODs or whatever, just issues with MB sometimes hanging with memory training activated.

    Thank you again for all your help!

  2. #2
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    Even if its stable in Windows, I have issues on some boots or reboots on the motherboard, code 23, 3a or 55... Any help stabilizing 4266mhz at xmp primary timings?

    EDIT:

    Seems like I forgot MRC Fast Boot on disabled. I set in on enable, seems the situation is improved, got only once error 55 after 10 reboots. Now I bumped a bit the RAM from 1.450v to 1.460v, just to be sure.
    Last edited by Kiganazil; 01-07-2021 at 01:10 AM.

  3. #3
    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 1.36v
    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

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    1802 bios? I've had some strange memory issues since then too, maybe I need to enable MRC Fastboot vs auto...

  4. #4
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    Quote Originally Posted by Enderwiggin03 View Post
    1802 bios? I've had some strange memory issues since then too, maybe I need to enable MRC Fastboot vs auto...
    Yes, I was already on 1802 when memory arrived. What are your specs and memory speed?

    EDIT:

    Nevermind, saw the specs on the profile

  5. #5
    ROG Guru: Yellow Belt Array Carlyle2020 PC Specs
    Carlyle2020 PC Specs
    MotherboardAsus Maximus XI APEX
    Processorgaming9900ks@5.2/avx 0/ adaptive vcore / 1.35+0.020 offs/LLC5/ac ll 0.01/TVB off/power saving on
    Memory (part number)Gskill 4400 CL16 /65k r /65k w / 60k c
    Graphics Card #13080 ftw ultra /pads on backplate
    Sound CardXonar STXII mods:3xLME 49720NA
    MonitorLG 38GL950G / -HDR / +madVR
    Storage #12TB 970evo plus nvme
    Storage #21TB 960evo nvme +2x 1tb evo 860 hw-sata-raid
    CPU Coolerarctic freezer II 280
    CaseUnique Silverstone FT2 dampened up the wazoo V2.0
    Power SupplySeasonic TX-850
    Keyboard Cherry KC 1000 on top of a cherry MX1 for ergonomics :)
    Mouse MX Master 3
    Headset Sennheiser PC360 + Philips X2HR
    Headset/Speakers A250 / cause LG was stingy
    OS Win 10 64bit
    Network Routeryeah right...
    Accessory #1 Silverstone EBA01 headphone stand / black
    Accessory #2 radio Keyfob to turn on and off
    Accessory #3 4 bay fantec /10tb red/+scrap

    Join Date
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    Set trace centering to enabled.
    I use Linpack to check my ram oc.

  6. #6
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    Quote Originally Posted by Carlyle2020 View Post
    Set trace centering to enabled.
    I use Linpack to check my ram oc.
    With Trace Centering enabled the system would not post, error code bF.

    Most likely the stability that I have is not caused by the RAM or CPU capabilities, it feels like the issues are BIOS bugs or my lack of experience to properly overclock the ram to 4266MHz. Once I am in Windows, everything is fine and stable. Bad IMC maybe?

  7. #7
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    Seems like the board just dont want to train correctly the RTL and IOL values since I have same issues running @4000MHz...

    Any advices from where to start to get it to rated XMP speeds, since the system feels like it is capable of doing just fine once the MB post with success and everything is stable in Windows and no BSODs?

  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 1.36v
    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
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    I tried 4266mhz on mine since I built it in 2018, slightly different kit than yours, but 1802 bios allows for XMP, but it fails memtest86 (unstable). I've managed to get significantly better timings at 4000mhz and better performance than what you posted at 4266mhz.

  9. #9
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    Quote Originally Posted by Enderwiggin03 View Post
    I tried 4266mhz on mine since I built it in 2018, slightly different kit than yours, but 1802 bios allows for XMP, but it fails memtest86 (unstable). I've managed to get significantly better timings at 4000mhz and better performance than what you posted at 4266mhz.
    It seems like the issue was myself, not the hardware. Silly me, lesson learned, always load optimized defaults after making hardware changes.

    I just loaded optimized defaults, activated XMP 2, set vccsa and vccio to 1.25v, maximus tweak mode 2, set tWRWR_dg to 4 (otherwise the MB will set it to 8 and in AIDA64 Cache And Memory Benchmark I get half of write speed on RAM).

    After that, the memory looked like this and the MB trained the RTL and IOL values as following:

    Click image for larger version. 

Name:	IMG.jpg 
Views:	1 
Size:	135.2 KB 
ID:	87492

    Values not seen in the above screenshot:

    RTL (CHA) D0: 63
    RTL (CHA) D1: 64
    RTL (CHB) D0: 65
    RTL (CHB) D1: 65

    IO-L (CHA) D0: 7
    IO-L (CHA) D1: 7
    IO-L (CHB) D0: 7
    IO-L (CHB) D1: 7

    IOL Offset (CH A): 21
    IOL Offset (CH B): 21

    RFR Delay (CH A): 14
    RFR Delay (CH B): 14

    tWRPRE: 45
    Write_Early_ODT: 0
    tAONPD: 10
    tXP: 7
    txpDLL: 25
    tPRPDEN: 2
    tRDPDEN: 22
    tWRPDEN: 45
    OREF_RI: 64
    tREFIx9: 118
    tXSDLL: 1024
    tXS_offset: 3
    tZQOPER: 512
    tMOD: 24
    ZQCS_period: 128
    tZQCS: 128

    Everything was fine since then, no more stuck at debug codes, etc, after that I just had to work my other settings back.

    The final problem was that my i9-9900KS was underclocked via offset since I was using the old DDR4 3000MHz and I had to work my CPU voltage a bit up for the system to always succes.

    Final results, bellow:

    Click image for larger version. 

Name:	IMG2.jpg 
Views:	42 
Size:	89.5 KB 
ID:	87491

    My final question, are the RTL and IOL values properly training? I am worried about RTL 63-64-65-65. I enabled the MRC Fast Boot after it stabilized here.
    Do I need to try to optimize timings further?

    Thank you everyone in advance!

  10. #10
    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 1.36v
    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
    193

    Quote Originally Posted by Kiganazil View Post
    It seems like the issue was myself, not the hardware. Silly me, lesson learned, always load optimized defaults after making hardware changes.

    I just loaded optimized defaults, activated XMP 2, set vccsa and vccio to 1.25v, maximus tweak mode 2, set tWRWR_dg to 4 (otherwise the MB will set it to 8 and in AIDA64 Cache And Memory Benchmark I get half of write speed on RAM).

    After that, the memory looked like this and the MB trained the RTL and IOL values as following:

    Click image for larger version. 

Name:	IMG.jpg 
Views:	1 
Size:	135.2 KB 
ID:	87492

    Values not seen in the above screenshot:

    RTL (CHA) D0: 63
    RTL (CHA) D1: 64
    RTL (CHB) D0: 65
    RTL (CHB) D1: 65

    IO-L (CHA) D0: 7
    IO-L (CHA) D1: 7
    IO-L (CHB) D0: 7
    IO-L (CHB) D1: 7

    IOL Offset (CH A): 21
    IOL Offset (CH B): 21

    RFR Delay (CH A): 14
    RFR Delay (CH B): 14

    tWRPRE: 45
    Write_Early_ODT: 0
    tAONPD: 10
    tXP: 7
    txpDLL: 25
    tPRPDEN: 2
    tRDPDEN: 22
    tWRPDEN: 45
    OREF_RI: 64
    tREFIx9: 118
    tXSDLL: 1024
    tXS_offset: 3
    tZQOPER: 512
    tMOD: 24
    ZQCS_period: 128
    tZQCS: 128

    Everything was fine since then, no more stuck at debug codes, etc, after that I just had to work my other settings back.

    The final problem was that my i9-9900KS was underclocked via offset since I was using the old DDR4 3000MHz and I had to work my CPU voltage a bit up for the system to always succes.

    Final results, bellow:

    Click image for larger version. 

Name:	IMG2.jpg 
Views:	42 
Size:	89.5 KB 
ID:	87491

    My final question, are the RTL and IOL values properly training? I am worried about RTL 63-64-65-65. I enabled the MRC Fast Boot after it stabilized here.
    Do I need to try to optimize timings further?

    Thank you everyone in advance!
    I set all of my RTL's to 60 (after RTL/IOL Training enabled) and IOLs are at 4.
    Click image for larger version. 

Name:	Untitled.jpg 
Views:	0 
Size:	133.5 KB 
ID:	87496

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