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  1. #1
    ROG Member Array R0x0r PC Specs
    R0x0r PC Specs
    MotherboardZ390-Z
    Processori9-9900k @3.6
    Memory (part number)DDR4 - 3200
    Graphics Card #12080Ti

    Join Date
    Jan 2019
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    9900k OC, trying to make sense of it all

    Hello fellow ROG overclockers,

    I’m a new overclocking, I am experiencing some difficulty and I like to tap into your breadth of knowledge and advice. I would appreciate your patience and understanding if I am breaking any unspoken rules.

    First the important build deets:
    MOBO: ASUS ROG STRIX Z390-E Gaming
    CPU: Intel i9-9900K @3.6 ghz (Cooling Noctua-NH-D15)
    RAM: 32 DDR4 GB G.Skill 3200 mhz
    GPU: Asus 2080TI
    PSU: 750W
    Storage: 1) 1TB EVO SSD 2) 250 EVO SSD 3) 3TB HDD 4) 3TB HDD (no, no RAID unfortunately))
    OS: Windows 10 edu

    After reading up on the guide found here: https://rog.asus.com/articles/overcl...-overclocking/ I decided to embark on my OC journey…I’ve also done a fair amount of reading for similarity (see: https://rog.asus.com/forum/showthrea...n-overclocking)

    At stock clock settings, I ran the RealBench tool to stress the system to calculate the cooler score, which after several stress tests, went from 97 -> 167 and finally had landed on 197.

    Based on that cooler score, the AI Optimized settings predicted that the OC could ramp all the way to 5.2 ghz, which as a surprise to no one, when the AI was enabled, failed to load into the OS. After several BSOD errors, I figured I needed to try something different. Therefore, after some manual tweaking, I found that the manually modifying the AI Optimism setting to 90 (equivalent to 4.8 ghz) would successfully load the OS and again, and, after several stress tests, the OC has proven stable never surpassing 79*C under stress.

    With this information in front of you, I have 2 questions:
    1. What are the steps I need to take to OC my XMP enabled ram from its current speed at 2666 mhz to its rated speed of 3200 mhz?
    a. From what I understand I cannot leverage the AI AND XMP
    2. Is there a better way intervene on the AI prediction rather than modifying the Optimism score? What would you recommend?

    A final statement, as an enthusiast I want to squeeze out as much performance as possible, but a realist, I only play games (PUBG, FO76, CoD, BF, and so on) on the PC (granted would love to play at 4K and VR in the future, along with Anthem and Division 2). Would any other realists like to talk me out of pushing the chip any further?

    Thanks for your advice ahead of time!

  2. #2
    ROG Guru: Yellow Belt Array x-rated PC Specs
    x-rated PC Specs
    MotherboardAsus ROG Maximus XI Formula - Intel Z390
    ProcessorIntel Core i9-9900K @ 5 GHz
    Memory (part number)G.Skill Trident Z F4-3600C16D-16GTZR - 4x 8 GB, 4 GHz, 18-18-18-38
    Graphics Card #1Nvidia GeForce RTX 2080 Ti FE - 2,1/15,6 GHz
    Sound CardCreative Sound Blaster X-Fi Titanium HD
    MonitorDell UP2715K - 5120x2880, AH-IPS, 10bit
    Storage #1Samsung 960 Pro - 1 TB, 3,5/2,1 GB/s
    Storage #2WD Red WD40EFRX - 4 TB, 64 MB, 5400 RPM
    CaseFractal Design Define R6 Blackout TG
    Power SupplyCorsair HX1000i - 1 KW, 83 A, 80Plus Platinum
    Keyboard Logitech G810 Orion Spectrum
    Mouse Logitech G403 Prodigy Wired
    Headset Sennheiser HD 660 S
    Mouse Pad Razer Manticor
    OS Windows 10 Pro
    Network RouterHuawei HG8245H @ 1 Gb/s FTTH GPON
    Accessory #1 EKWB Velocity + Vector
    Accessory #2 EKWB XRES 140 Revo D5 PWM + 2x CoolStream XE 360
    Accessory #3 6x Noiseblocker NB-eLoop Fan B12-PS
    x-rated's Avatar
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    i would suggest you not to use AI oc at all, you have to adjust just a few things manually
    you can start with this, everything else leave as it is
    dont forget to reset bios to its defaults first
    Code:
    EXTREME TWEAKER:
    AI Overclock Tuner.................................XMP I
    SVID Behavior......................................Best-Case Scenario
    1-Core Ratio Limit.................................50
    Max CPU Cache Ratio................................50
    CPU Core/Cache Voltage.............................Adaptive Mode
    Additional Turbo Mode CPU Core Voltage.............1.350
    
    
    EXTREME TWEAKER -> EXTERNAL DIGI+ POWER CONTROL:
    CPU Load-line Calibration..........................Level 6
    CPU Current Capability.............................170% (or as much as possible)
    
    EXTREME TWEAKER -> INTERNAL CPU POWER MANAGEMENT:
    Long Duration Package Power Limit..................4095
    Package Power Time Windows.........................127
    Short Duration Package Power Limit.................4095
    IA AC Load Line....................................0.01
    IA DC Load Line....................................0.01
    Last edited by x-rated; 01-22-2019 at 07:50 PM.

  3. #3
    ROG Member Array R0x0r PC Specs
    R0x0r PC Specs
    MotherboardZ390-Z
    Processori9-9900k @3.6
    Memory (part number)DDR4 - 3200
    Graphics Card #12080Ti

    Join Date
    Jan 2019
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    Quote Originally Posted by x-rated View Post
    i would suggest you not to use AI oc at all, you have to adjust just a few things manually
    you can start with this, everything else leave as it is
    dont forget to reset bios to its defaults first
    Code:
    EXTREME TWEAKER:
    AI Overclock Tuner.................................XMP I
    SVID Behavior......................................Best-Case Scenario
    1-Core Ratio Limit.................................50
    Max CPU Cache Ratio................................50
    CPU Core/Cache Voltage.............................Adaptive Mode
    Additional Turbo Mode CPU Core Voltage.............1.350
    
    
    EXTREME TWEAKER -> EXTERNAL DIGI+ POWER CONTROL:
    CPU Load-line Calibration..........................Level 6
    CPU Current Capability.............................170% (or as much as possible)
    
    EXTREME TWEAKER -> INTERNAL CPU POWER MANAGEMENT:
    Long Duration Package Power Limit..................4095
    Package Power Time Windows.........................127
    Short Duration Package Power Limit.................4095
    IA AC Load Line....................................0.01
    IA DC Load Line....................................0.01
    Indeed, I'll ensure to reset BIOS--Thanks so much for the advice! I'll update this evening on progress.

  4. #4
    ROG Enthusiast Array djmarks PC Specs
    djmarks PC Specs
    Laptop (Model)PC Specialist Optimus i7 6700HQ
    MotherboardRog Maximus XI Hero
    Processori9 9900k
    Memory (part number)Corsair 16GB DDR4 Vengeance LPX 3200MHz PC4-25600 16-18-18-36
    Graphics Card #1ROG STRIX GTX1070TI A8G GAMING
    MonitorROG Strix XG32VQ
    Storage #1WD 500GB Black NVMe M.2
    Storage #2SanDisk SDSSDX120GG25 & ST2000DM001
    CPU CoolerCorsair Hydro H150i PRO RGB
    CaseThermaltake Suppressor F31
    Power SupplyAntec HCG 750 Watt 80+ Bronze
    Keyboard Element Gaming
    Mouse Roccat Tyon
    Headset Element Gaming PC Headset
    Mouse Pad Akasa Venom XL mat
    Headset/Speakers Otone Soundbar
    OS Windows 10 Home 64bit
    Network RouterCrappy EE router - not even fibre 8-(
    Accessory #1 Razer Tartarus v2
    Accessory #2 Coffee.... lots and lots of coffee!

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    Quote Originally Posted by R0x0r View Post
    Indeed, I'll ensure to reset BIOS--Thanks so much for the advice! I'll update this evening on progress.

    Hi R0x0r - just wondering how you got on as I have the same cpu!

  5. #5
    ROG Member Array R0x0r PC Specs
    R0x0r PC Specs
    MotherboardZ390-Z
    Processori9-9900k @3.6
    Memory (part number)DDR4 - 3200
    Graphics Card #12080Ti

    Join Date
    Jan 2019
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    DJMarks and X-Rated:

    Here's an update: After following X-Rated's suggestion I was able to successfully boot into Windows. Shortly after, I ran additional stress tests and benchmarks using RealBench.

    The image below shows the bench score from 1/19 (when I was running ~4.8 ghz) next to the bench stats pulled after X-rated's suggestions
    Click image for larger version. 

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    Interestingly, the CPU doesn't seem to be OC'd at all, so after I post this, I'm going to go into BIOS to confirm all the settings have saved. You can also note that the Max temp after both Benching and Stress capped at 48*C so I have a feeling that I need to tweak further.

    I'll update shortly.

  6. #6
    ROG Member Array R0x0r PC Specs
    R0x0r PC Specs
    MotherboardZ390-Z
    Processori9-9900k @3.6
    Memory (part number)DDR4 - 3200
    Graphics Card #12080Ti

    Join Date
    Jan 2019
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    I’ll admit, when trying to find the 1-core ratio limit as X-rated suggested, I had a difficult time. *Images below are the settings I updated.*


    * Click image for larger version. 

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ID:	78413Click image for larger version. 

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    See my options from the choices in the next image
    Click image for larger version. 

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    Is the highlighted option the one I want to modify to sync all cores?
    Last edited by R0x0r; 01-23-2019 at 01:19 AM.

  7. #7
    ROG Guru: Yellow Belt Array x-rated PC Specs
    x-rated PC Specs
    MotherboardAsus ROG Maximus XI Formula - Intel Z390
    ProcessorIntel Core i9-9900K @ 5 GHz
    Memory (part number)G.Skill Trident Z F4-3600C16D-16GTZR - 4x 8 GB, 4 GHz, 18-18-18-38
    Graphics Card #1Nvidia GeForce RTX 2080 Ti FE - 2,1/15,6 GHz
    Sound CardCreative Sound Blaster X-Fi Titanium HD
    MonitorDell UP2715K - 5120x2880, AH-IPS, 10bit
    Storage #1Samsung 960 Pro - 1 TB, 3,5/2,1 GB/s
    Storage #2WD Red WD40EFRX - 4 TB, 64 MB, 5400 RPM
    CaseFractal Design Define R6 Blackout TG
    Power SupplyCorsair HX1000i - 1 KW, 83 A, 80Plus Platinum
    Keyboard Logitech G810 Orion Spectrum
    Mouse Logitech G403 Prodigy Wired
    Headset Sennheiser HD 660 S
    Mouse Pad Razer Manticor
    OS Windows 10 Pro
    Network RouterHuawei HG8245H @ 1 Gb/s FTTH GPON
    Accessory #1 EKWB Velocity + Vector
    Accessory #2 EKWB XRES 140 Revo D5 PWM + 2x CoolStream XE 360
    Accessory #3 6x Noiseblocker NB-eLoop Fan B12-PS
    x-rated's Avatar
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    yes, sync all cores
    it should be enabled automatically by enabling xmp profile, but if not, set it manually

  8. #8
    ROG Member Array R0x0r PC Specs
    R0x0r PC Specs
    MotherboardZ390-Z
    Processori9-9900k @3.6
    Memory (part number)DDR4 - 3200
    Graphics Card #12080Ti

    Join Date
    Jan 2019
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    Quote Originally Posted by x-rated View Post
    yes, sync all cores
    it should be enabled automatically by enabling xmp profile, but if not, set it manually
    That's what it was!
    Click image for larger version. 

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    As you can see, the chip is running a little warmer than I would prefer (capped out at 85*C), but then again I don't think I will be stressing regularly with how I will be using it. That, and I'm not using a custom cooling loop (and probably will never) so not bad for the Noctua!

    I'll plan to run some more stress tests today to confirm stability, but I'm confident that with your help, the settings will keep me happy for some time to come.

    Thanks so much for your help X-rated!

  9. #9
    ROG Enthusiast Array
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    Heya, glad to see you are getting progress and results from your setup

    As for the AI overclocking - never worked for me at all on a 9700k and a Strix z370-F board. Offers completely bull settings

    As for the settings proposed in above reply - perfect settings to start with! Basically ticks off all the most important boxes. As for XMP - select the appropriate 3200mhz RAM and forget about it. XMP is factory overclocking, so you don't have to

    Now that you are running stable, save those settings that work and optimize your system:
    1. Reduce your voltage from 1.35 to 1.34 and test for stability again. I am happy with Intel XTU stress test for 10mins for this. If that passes - cut 0.01v down until you crash. Then get back to the last stable value and stability test the #$%^ out of your CPU. Again, I am fine with just leaving XTU until I get back from work and my system never crashed during gaming
    2. Optimize your LLC (although, I don't think this CPU should need anything lower than 6), have CPU-Z open and see how much voltage drops on full load. If it is closest to your manually set value, your optimal. If it goes above - definitely try reducing it (this might need an increase in the manual voltage set). If it drops too much, you might benefit from an LLC increase and a decrease of your manually set voltage. As the name suggests, this is Calibration and should be done by carefully trying out different values and monitoring voltages and temperatures - try to get a balance
    3. Lock in: Enable SVID, set IA/DC load line to 0.01, choose Adaptive Voltage and set your stable value. Open CPU-Z, do light stuff (don't load it so it vdroops, you don't want LLC to kick in or anything here) so your CPU runs at it's full GHz and check voltage - if it is higher than was set in adaptive voltage, write that value down (that's the default voltage for your GHz in the SVID table), use it in your Adaptive Voltage setting and add some negative offset there to reach your target. Then you should have Adaptive mode working.
    4. Have fun
    Last edited by Eclipt; 01-23-2019 at 09:36 PM.

  10. #10
    ROG Enthusiast Array djmarks PC Specs
    djmarks PC Specs
    Laptop (Model)PC Specialist Optimus i7 6700HQ
    MotherboardRog Maximus XI Hero
    Processori9 9900k
    Memory (part number)Corsair 16GB DDR4 Vengeance LPX 3200MHz PC4-25600 16-18-18-36
    Graphics Card #1ROG STRIX GTX1070TI A8G GAMING
    MonitorROG Strix XG32VQ
    Storage #1WD 500GB Black NVMe M.2
    Storage #2SanDisk SDSSDX120GG25 & ST2000DM001
    CPU CoolerCorsair Hydro H150i PRO RGB
    CaseThermaltake Suppressor F31
    Power SupplyAntec HCG 750 Watt 80+ Bronze
    Keyboard Element Gaming
    Mouse Roccat Tyon
    Headset Element Gaming PC Headset
    Mouse Pad Akasa Venom XL mat
    Headset/Speakers Otone Soundbar
    OS Windows 10 Home 64bit
    Network RouterCrappy EE router - not even fibre 8-(
    Accessory #1 Razer Tartarus v2
    Accessory #2 Coffee.... lots and lots of coffee!

    Join Date
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    Quote Originally Posted by Eclipt View Post
    Heya, glad to see you are getting progress and results from your setup

    As for the AI overclocking - never worked for me at all on a 9700k and a Strix z370-F board. Offers completely bull settings

    As for the settings proposed in above reply - perfect settings to start with! Basically ticks off all the most important boxes. As for XMP - select the appropriate 3200mhz RAM and forget about it. XMP is factory overclocking, so you don't have to

    Now that you are running stable, save those settings that work and optimize your system:
    1. Reduce your voltage from 1.35 to 1.34 and test for stability again. I am happy with Intel XTU stress test for 10mins for this. If that passes - cut 0.01v down until you crash. Then get back to the last stable value and stability test the #$%^ out of your CPU. Again, I am fine with just leaving XTU until I get back from work and my system never crashed during gaming
    2. Optimize your LLC (although, I don't think this CPU should need anything lower than 6), have CPU-Z open and see how much voltage drops on full load. If it is closest to your manually set value, your optimal. If it goes above - definitely try reducing it (this might need an increase in the manual voltage set). If it drops too much, you might benefit from an LLC increase and a decrease of your manually set voltage. As the name suggests, this is Calibration and should be done by carefully trying out different values and monitoring voltages and temperatures - try to get a balance
    3. Lock in: Enable SVID, set IA/DC load line to 0.01, choose Adaptive Voltage and set your stable value. Open CPU-Z, do light stuff (don't load it so it vdroops, you don't want LLC to kick in or anything here) so your CPU runs at it's full GHz and check voltage - if it is higher than was set in adaptive voltage, write that value down (that's the default voltage for your GHz in the SVID table), use it in your Adaptive Voltage setting and add some negative offset there to reach your target. Then you should have Adaptive mode working.
    4. Have fun
    Hi Eclipt. I'm avidly reading this thread as I've a very similar rig to R0x0r.
    I've a question about your reference to the offset - what value do you suggest and can you explain (briefly) it's purpose with adaptaive voltage?

    Cheers

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