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  1. #1
    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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    Question Maximus XI Hero & i9 9900k oc

    Hi all. I've been using some info from here to oc my pc.
    I've used x-rated's recommended settings from a previous post ....

    (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)


    and got a nice stable 5.1 oc. I've been dropping the Additional Turbo Mode CPU Core Voltage down by 0.1 then stress testing with XTU but I'm not sure if I'm reading the readings right.

    When stress testing with XTU, I'm reading from cpuid hwmonitor the vid voltages as 1.329v with max value of 1.340v
    VCCIO = 1.328v
    Sys Agent = 1.216v
    VCORE = 1.270v
    PCH = 1.0565v
    VCCPLL_OC = 1.216v

    CPU-Z shows core voltage as 1.144v

    Although with my limited knowledge, and with the powers of deduction, I'm assuming the VID voltages in cpuid hwmonitor is related to adjusting the Additional Turbo Mode CPU Core Voltage as my initial value was 1.350 and I witnessed that value in cpuid hwmonitor VID values.

    Question is though, why is it refusing to go lower than 1.329 when I've it set to 1.310 in bios?

    Edit - just noticed that VCORE in cpuid hwmonitor the max value is 1.314v. Is this due to my adjustment in bios?

    Extra edit - I'm getting a nice max cpu temp of 65c - would the thought of pushing to 5.2 be too much?

    Edit again - Scrath the above. The stress tests I ran last times were for 10mins and they all went ok. I then tried to run then for 30mins and they failed unmtil i returned voltage to 1.34. 10mins into a 30min test now and so far so godd!
    Last edited by djmarks; 01-26-2019 at 09:41 PM.

  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
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    x-rated's Avatar
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    your vcore should fluctuate from ca. 0,7V to your desired value in bios
    dont mix vid and vcore values - vid is what cpu would like to use, vcore is what it gets
    from what i see try to adjust vccio and system agent voltage manually - you can try default values for 3,2 GHz (0,95V IO, 1,05V SA), then you can test stability in y-cruncher benchmark quite fast settings 0, 1, max. available memory

  3. #3
    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 x-rated View Post
    your vcore should fluctuate from ca. 0,7V to your desired value in bios
    dont mix vid and vcore values - vid is what cpu would like to use, vcore is what it gets
    from what i see try to adjust vccio and system agent voltage manually - you can try default values for 3,2 GHz (0,95V IO, 1,05V SA), then you can test stability in y-cruncher benchmark quite fast settings 0, 1, max. available memory
    Thanks x-rated!!

    I've just had to up the voltage again as when I do an extended stress test (30mins) it has failed on 1.32, 1.33 and now 1.34. So I'm back to 1.35 at 5.1 and will run an extended stress test on this for a while in XTU.

    Hoping this will be stable as I'd liek 5.1

  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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    So ran many tests and my cpu doesn't like 5.1ghz much so I've dropped down to 5ghz and ran a test at 1.34v on prime for 40mins and everything went ok.

    I'll run it for longer when I get a chance but for now, but for now my stress test will be (trying) to play a game of fo76. That games' also a stress test for me - will the server dc, will my mods mysteriously disppear from stash box etc? lol

  5. #5
    ROG Guru: Orange Belt Array rjbarker PC Specs
    rjbarker PC Specs
    MotherboardMaximus XI Extreme (BIOS 0605)
    Processor9900K @ 5.1 Ghz w EK Velocity
    Memory (part number)32 GB -Dominator Platinum 3200 Mhz CAS 16
    Graphics Card #1Evga 1080Ti SC Black Edition w EK FC Blocks
    Graphics Card #2Evga 1080Ti SC Black Edition w EK FC Blocks
    Sound CardOnboard Realtek
    MonitorDell Alienware 34" Ultra wide 120Hz Gsync
    Storage #1Samsung 970 Pro 512G M.2 NNMe
    Storage #2Samsung 860 Pro 512G & 256G
    CPU CoolerEK Supremacy Copper w Nickel Plating
    CaseCorsair 900D
    Power SupplyCorsair AX 1600i
    OS W10 HP x64
    Accessory #1 480 * 360 * 240 XSPC Radiators (15 Fans) w 4 Channel 200W Fan Controller
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    Dont be deterred....according to numbers by Silicon Lottery only about 50% of CPU's are stable at 5 Ghz...drops to something like 17% for 5.1Ghz and 3% for 5.2 Ghz......take what you see on many of the OC'ing Forums with a big grain of salt....there appears to be a LOT of folks claiming stable @ 5.1 - 5.2 with there 9900K's ......as you saw a 5 min stress test isnt a 45 min stress test ....


  6. #6
    Administrator Array Silent Scone@ASUS's Avatar
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    As above, 5.1. and 5.2 is still considered a lottery win. My personal sample which is a tray CPU needs 1.34v for 5GHz (no AVX offset) and fails to do 5.1GHz below 1.4v.

    Rule out memory instability by reverting to default, too. It can also help to reduce the uncore ratio.

  7. #7
    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
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    Mouse Roccat Tyon
    Headset Element Gaming PC Headset
    Mouse Pad Akasa Venom XL mat
    Headset/Speakers Otone Soundbar
    OS Windows 10 Home 64bit
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    Accessory #1 Razer Tartarus v2
    Accessory #2 Coffee.... lots and lots of coffee!

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    Thanks silent scone and rjbarker.
    I've stayed with 5ghz at 1.34v as everything seems to be stable with this. If I drop the voltage any lower, it doesn't seem to make any difference as the vid voltage for each core still shows 1.349v under stress.

    I also tried using the rog realbench stress test but that looked like it was cooking my cup with temps hitting 100c so I stopped that right quick lol.

    My cpu is a tray jobbie too.

    I've kept the memory at it's stock - 3200mhz and I'm happy enough with that for the time being.

    Just would like to maybe get the voltage lower.

  8. #8
    ROG Guru: Orange Belt Array rjbarker PC Specs
    rjbarker PC Specs
    MotherboardMaximus XI Extreme (BIOS 0605)
    Processor9900K @ 5.1 Ghz w EK Velocity
    Memory (part number)32 GB -Dominator Platinum 3200 Mhz CAS 16
    Graphics Card #1Evga 1080Ti SC Black Edition w EK FC Blocks
    Graphics Card #2Evga 1080Ti SC Black Edition w EK FC Blocks
    Sound CardOnboard Realtek
    MonitorDell Alienware 34" Ultra wide 120Hz Gsync
    Storage #1Samsung 970 Pro 512G M.2 NNMe
    Storage #2Samsung 860 Pro 512G & 256G
    CPU CoolerEK Supremacy Copper w Nickel Plating
    CaseCorsair 900D
    Power SupplyCorsair AX 1600i
    OS W10 HP x64
    Accessory #1 480 * 360 * 240 XSPC Radiators (15 Fans) w 4 Channel 200W Fan Controller
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    Accessory #3 Fesser Flex Tubing - Bits Power Fittings & EK SLi Terminal
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    Quote Originally Posted by djmarks View Post
    Thanks silent scone and rjbarker.
    I've stayed with 5ghz at 1.34v as everything seems to be stable with this. If I drop the voltage any lower, it doesn't seem to make any difference as the vid voltage for each core still shows 1.349v under stress.

    I also tried using the rog realbench stress test but that looked like it was cooking my cup with temps hitting 100c so I stopped that right quick lol.

    My cpu is a tray jobbie too.

    I've kept the memory at it's stock - 3200mhz and I'm happy enough with that for the time being.

    Just would like to maybe get the voltage lower.
    That all sounds great...if you can reach 5 Ghz with reasonable temps consider it "all good"....my chip reaches 5 Ghz "relatively stable"...not P95 Stable though...but gets thru the standard Realbench....Intel Extreme....Cinebench....etc etc.....

  9. #9
    ROG Enthusiast Array
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    Quote Originally Posted by djmarks View Post
    Thanks silent scone and rjbarker.
    I've stayed with 5ghz at 1.34v as everything seems to be stable with this. If I drop the voltage any lower, it doesn't seem to make any difference as the vid voltage for each core still shows 1.349v under stress.

    I also tried using the rog realbench stress test but that looked like it was cooking my cup with temps hitting 100c so I stopped that right quick lol.

    My cpu is a tray jobbie too.

    I've kept the memory at it's stock - 3200mhz and I'm happy enough with that for the time being.

    Just would like to maybe get the voltage lower.
    Please IGNORE the VID.
    VID is not vcore.
    VID is based on the CPU cache ratio.
    Don't believe me? Set the cache (RING) ratio to x36 and watch what happens.

  10. #10
    ROG Guru: Platinum Belt Array Rockford's Avatar
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    sometimes a handbrake is better than a stretcher ))

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