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  1. #1
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
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    Question OCing Ryzen 1800X

    Hello,

    can I please get some guidance for OCing my CPU. I've been following this guide:

    I have my memory set to DOCP Standard (3200MHz).

    I've tried OCing with the following settings (everything else is on Default/Auto):

    CPU Core Ratio: 40
    CPU Core Voltage: Offset 0,025 - 0,0625
    Core Performance Boost: Disabled
    CPU LLC: Level 1
    Global C-State Control: Enabled
    Fast Boot
    CSM: Disabled

    My PC boots up fine at vcore offset 0,025 but with AIDA64 System Stability Test running the PC freezes after cca. 1,5 minutes.
    I've tried increasing the offset as recommended in the guide but the only thing that changes is that the PC freezes after a longer time (18 minutes @ offset 0,0625).

    I've tried all the values between 0,025 and 0,0625.

    Is it safe to go higher? What is the safe maximum for vcore offset?

    Are there any other settings that might help stabilize my CPU at Core Ratio 40?

  2. #2
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
    Mouse Pad Razer Destructor
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    Nevermind, I've realized that for P-State OC vcore offset is useless anyway (As the required vcore value cant be easily determined from it).

    After thorough testing I've determined that my CPU is able to run at 3975MHz with at least 1,3875V core voltage.

    That corresponds to FID=9F and VID=1A which I've set on Pstate0 leaving the other states on Auto.

    I've set power plan to AMD Ryzen Balanced and minimum processor state to 20%.

    Now how do I verify that P-States work as expected on my PC?

    In CPU-Z the Core Speed (Core #0) is jumping up and down between 2967MHz and 1983MHz when idle. Is that normal?

    AIDA64 System Stability Test under Statistics shows the cores with either 3966, 2194 or 1983 speeds which are changing constantly when idle. Is that OK?

    Setting VID in Pstate0 is already working normally in Beta BIOS 3101, right?

    Does using High performance power plan instead of AMD Ryzen Balanced offer any advantages/disadvantages?
    Last edited by dusank; 01-10-2018 at 08:12 PM.

  3. #3
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
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    Can someone please help to answer my questions?

  4. #4
    ROG Guru: Yellow Belt Array lightknightrr PC Specs
    lightknightrr PC Specs
    MotherboardAsus Crosshair VI Hero WiFi
    ProcessorAMD Ryzen-7 1800X
    Memory (part number)F4-3200C14D-32GTZ
    Graphics Card #1Radeon Vega Frontier Edition
    Sound CardHT Omega eClaro
    MonitorSamsung 4K
    Storage #1Samsung NVMe SSD 960 PRO 1TB
    Storage #2Crucial MX200 1TB SSD
    CPU CoolerCorsair H115i
    CaseThermaltake Chaser Mk-1 (Modified)
    Power SupplyThermaltake Toughpower DPS G RGB 1500W Titanium
    Keyboard Corsair K95 RGB PLATINUM
    Mouse Corsair Scimitar Pro RGB
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    OS Windows 10 Pro 64-bit OEM
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    Upgrade your cooling capacity to a H115i first? ;-)

  5. #5
    ROG Guru: Brown Belt Array MeanMachine PC Specs
    MeanMachine PC Specs
    Laptop (Model)I enjoy my wife
    MotherboardCVI HERO + CVII Hero Wifi
    ProcessorRyzen 7 1800X + 2700X
    Memory (part number)CMD16GX4M2B3000C15 + F4-3200C14D-16GTZR
    Graphics Card #1EVGA GTX980 SC for CVFZ
    Graphics Card #2EVGA GTX 1080 hybrid
    Graphics Card #3GTX 770 for phys x
    Sound CardMB
    MonitorHP w2408h
    Storage #1Samsung 970 EVO 500GB M.2
    Storage #2Samsung 840EVO 500GB and 960 M.2 pro
    CPU CoolerCorsair H105, H110 and H115i
    CaseCorsair 750D and 780T
    Power SupplyCorsair AX-1200i and Antec 850 pro platinum
    Keyboard Logitech K800
    Mouse Razer Mamba
    Headset Corsair Vengeance 2100
    OS W7 Ultimate 64bit and W10 pro 64bit
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    Quote Originally Posted by dusank View Post
    Can someone please help to answer my questions?
    If your intent on Overclocking the CPU then consider no p-state overclock. I consider this a tree hugging feature that can spoil a decent Overclock. Once your stable then you can try p-states.
    Have all your cores operational and no offsets to start with.
    Change your LLC to mid range or high. You may have voltage droop when Overclocked, just keep your eye on Temps as AUTO settings can vary voltage input.

    Your OC will vary depending on the AIO your using and a H115i is the best for a decent OC. The Bios has settings allowing an OC based on the cooling you have and worth giving a try.
    If your going to Overclock then you will want to have performance power plan as ballance will park your cores when demand is low.
    I always set for performance when Overclocked.
    Last edited by MeanMachine; 01-17-2018 at 03:38 AM.
    We owe our existence to the scum of the earth, Cyanobacteria

    My System Specs:

    MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
    CPU:
    AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t

    Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2



  6. #6
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
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    Quote Originally Posted by MeanMachine View Post
    If your intent on Overclocking the CPU then consider no p-state overclock. I consider this a tree hugging feature that can spoil a decent Overclock. Once your stable then you can try p-states.
    Thats exactly what I did. Manual OC to determine best voltage/multiplier working then set it up into P-State.

    Quote Originally Posted by MeanMachine View Post
    Have all your cores operational and no offsets to start with.
    Change your LLC to mid range or high. You may have voltage droop when Overclocked, just keep your eye on Temps as AUTO settings can vary voltage input.
    All Ryzen OC guides I've seen recommend having LLC set to Level 1. "Mid range or high" would be LLC3 and higher?

    I have a pretty stable system with the multiplier and voltage specified in my previous post it did not crash a single time while playing games or using applications. The problem I have though that AIDA64 System Stability Test either crashes or the system crashes/freezes after cca. 90 - 160 minutes. I've tried to increase vcore up to 1,4 but it did not help. Would it be reasonable to try to go higher than 1,4 with vcore just to make SST go on for tens of hours?

    Might LLC help me to make the system more stable under a long running System Stability Test? Might voltage droop occur only after 90 minutes of stress testing?

    If I understand LLC correctly, I should aim for the lowest level under which my vcore does not decrease under a stress test, right?

    Quote Originally Posted by MeanMachine View Post
    Your OC will vary depending on the AIO your using and a H115i is the best for a decent OC.
    Unfortunately it does not fit into my case. That is why I had to use a Corsair H80i v2. Having a radiator twice the size would be nice, but the difference in performance cant be that huge ...

    Quote Originally Posted by MeanMachine View Post
    The Bios has settings allowing an OC based on the cooling you have and worth giving a try.
    Is it not better to do it manually and find the sweet spot?

    Quote Originally Posted by MeanMachine View Post
    If your going to Overclock then you will want to have performance power plan as ballance will park your cores when demand is low.
    I always set for performance when Overclocked.
    Why is parking cores bad? They turn on under load automatically, no? I have my PC running for long hours with low load (e.g. downloading files/torrents). Does not core parking save power and increase longevity of the components?

    What would be better if my cores did not park under performance power plan?

  7. #7
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
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    I have currently set my vcore to 1,4V in BIOS.

    CPUZ shows vcore at 1,417V when idle and CPU temp is at 36 degree Celsius.

    Once I turn on AIDA64 SST vcore still stays at 1,417V and CPU temp goes up to 75 degree Celsius.

    Thus it seems that I do not suffer from voltage droop and therefore there is no need to increase the LLC level, right?

  8. #8
    ROG Guru: Brown Belt Array MeanMachine PC Specs
    MeanMachine PC Specs
    Laptop (Model)I enjoy my wife
    MotherboardCVI HERO + CVII Hero Wifi
    ProcessorRyzen 7 1800X + 2700X
    Memory (part number)CMD16GX4M2B3000C15 + F4-3200C14D-16GTZR
    Graphics Card #1EVGA GTX980 SC for CVFZ
    Graphics Card #2EVGA GTX 1080 hybrid
    Graphics Card #3GTX 770 for phys x
    Sound CardMB
    MonitorHP w2408h
    Storage #1Samsung 970 EVO 500GB M.2
    Storage #2Samsung 840EVO 500GB and 960 M.2 pro
    CPU CoolerCorsair H105, H110 and H115i
    CaseCorsair 750D and 780T
    Power SupplyCorsair AX-1200i and Antec 850 pro platinum
    Keyboard Logitech K800
    Mouse Razer Mamba
    Headset Corsair Vengeance 2100
    OS W7 Ultimate 64bit and W10 pro 64bit
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    I am going by my own experience on this platform however, Check my thread: https://rog.asus.com/forum/showthrea...ld-impressions
    My cooling system is H115i and I achieved 4.016 and Vcore set to 1.4V. Do not exceed 1.4V on the Core for longevity. The H80 is inadequate for higher than stock frequency imo.
    I found issue with LLC set low at higher frequency. Low range LLC is OK for stock frequency.

    Aida64 is a good stability tester however CPU should be tested separately by running CPU, FPU and Cache from all other tests. Does not need to be run for more than 1hr MAX. If system fails during this period then your not stable. Doubtful however you would put your system under such stress during normal operations.
    Realbench is the best real world tester and if you can run that test then your stable 24/7.

    Yes manual Bios Overclocking is best certainly to get the MAX OC IF you know what your doing. Just mentioned It to try.

    I'm not saying parking cores is bad however, I have found that the transition from low state to peak demand causes instability and I have an 850W platinum PSU.

    Like I said, I don't care about power usage as I have 6.6KW of Solar so it costs me nothing. I had more trouble getting stable when testing P-states and using offsets than anything else.
    There is some good info by gupsterg at Overclockers that's worth reading: http://www.overclock.net/t/1625015/r...owners-info-db
    Some of my tests did not coincide however, no two systems are the same, Bios versions vary and still not finalised.
    Last edited by MeanMachine; 01-17-2018 at 01:07 PM.
    We owe our existence to the scum of the earth, Cyanobacteria

    My System Specs:

    MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
    CPU:
    AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t

    Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2



  9. #9
    ROG Guru: White Belt Array dusank PC Specs
    dusank PC Specs
    MotherboardASUS Crosshair VI Extreme
    ProcessorAMD Ryzen 1800X
    Memory (part number)G.Skill F4-3200C14D-16GTZRX
    Graphics Card #1MSI GeForce GTX 1080 GAMING X 8GB
    MonitorSamsung SyncMaster T220
    CPU CoolerCorsair H80i v2
    CaseThermaltake Armor+
    Power SupplyCorsair HX620W
    Keyboard Razer BlackWidow Ultimate Stealth
    Mouse Razer Mamba
    Mouse Pad Razer Destructor
    OS Windows 10 Pro
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    Quote Originally Posted by MeanMachine View Post
    My cooling system is H115i and I achieved 4.016 and Vcore set to 1.4V. Do not exceed 1.4V on the Core for longevity. The H80 is inadequate for higher than stock frequency imo.
    I dont understand why so many people seem to bash the Corsair H80i v2. For sure having a radiator of twice the size should, at least in theory, provide slightly better cooling. But the difference is certainly not that humongous to call H115i "the best for a decent OC" and H80 "inadequate for higher than stock frequency"!

    Your frequency is slightly higher than mine, but when I look at your HWMonitor screens youre running at "97" (I believe it is actually 77 with cca. 20 substracted) degree Celsius with vcore set to 1,461V while my rigs CPU with 1,417V vcore operates currently at 70 degree Celsius under AIDA64 SST. So it seems that my "inadequate" cooler actually outperforms your "superior" one by at least 7 degree Celsius!

    IMHO: The Corsair H80i v2 is an awesome cooler absolutely adequate for serious usage and OCing with performance on par with the best air coolers out there!
    Last edited by dusank; 01-17-2018 at 04:45 PM.

  10. #10
    ROG Guru: Brown Belt Array MeanMachine PC Specs
    MeanMachine PC Specs
    Laptop (Model)I enjoy my wife
    MotherboardCVI HERO + CVII Hero Wifi
    ProcessorRyzen 7 1800X + 2700X
    Memory (part number)CMD16GX4M2B3000C15 + F4-3200C14D-16GTZR
    Graphics Card #1EVGA GTX980 SC for CVFZ
    Graphics Card #2EVGA GTX 1080 hybrid
    Graphics Card #3GTX 770 for phys x
    Sound CardMB
    MonitorHP w2408h
    Storage #1Samsung 970 EVO 500GB M.2
    Storage #2Samsung 840EVO 500GB and 960 M.2 pro
    CPU CoolerCorsair H105, H110 and H115i
    CaseCorsair 750D and 780T
    Power SupplyCorsair AX-1200i and Antec 850 pro platinum
    Keyboard Logitech K800
    Mouse Razer Mamba
    Headset Corsair Vengeance 2100
    OS W7 Ultimate 64bit and W10 pro 64bit
    Network RouterNetcom Wireless NF18ACV
    MeanMachine's Avatar
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    Quote Originally Posted by dusank View Post
    I dont understand why so many people seem to bash the Corsair H80i v2. For sure having a radiator of twice the size should, at least in theory, provide slightly better cooling. But the difference is certainly not that humongous to call H115i "the best for a decent OC" and H80 "inadequate for higher than stock frequency"!

    Your frequency is slightly higher than mine, but when I look at your HWMonitor screens youre running at "97" (I believe it is actually 77 with cca. 20 substracted) degree Celsius with vcore set to 1,461V while my rigs CPU with 1,417V vcore operates currently at 70 degree Celsius under AIDA64 SST. So it seems that my "inadequate" cooler actually outperforms your "superior" one by at least 7 degree Celsius!

    IMHO: The Corsair H80i v2 is an awesome cooler absolutely adequate for serious usage and OCing with performance on par with the best air coolers out there!
    Yes we all have opinions and sorry if mine upset you. Thank you for reading my thread.
    I live in a hot climate where temps can reach 40C+ and ambient temps make all the differance. I do agree that the H80 is a good cooler for a cooler climate.
    I understand Bratislava is considered a moderate climate where you have a cold winter and max 30C in Summer on average.?

    Would love to see your validated bench tests and what you can achieve.
    We owe our existence to the scum of the earth, Cyanobacteria

    My System Specs:

    MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
    CPU:
    AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t

    Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2



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