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  1. #1
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    Post ROG Strix Z390-H + i9-9900k instability when overclocking

    Hi Guys,

    Here is my build:
    ROG Strix Z390-H
    i9-9900K
    Corsair H100i liquid cooler
    Corsair Vengeance LPX DDR4-3200
    ASUS ROG Strix OC Nvidia RTX 2080
    Samsung 970 EVO 2TB

    I built the system last weekend and flashed the latest BIOS (1202) on the board. When I use the AI overclocking feature in
    the BIOS (choose gaming and liquid cooling), the BIOS overclocks the CPU and memory to about 20%, and I save the settings
    and reboot.

    Unfortunately, when i use the system (play fornite at high settings). I will get the occasional BSOD with the message (clock watchdog timeout).
    This error seems to indicate some system instability.
    I know the motherboard includes a jumper (CPU overvoltage jumper) to raise the CPU voltage. Should I enable this jumper setting? Is it possible
    the CPU doesn't have enough voltage to operate with this overclocking setting?
    I also read up on the fact that these boards have a somewhat basic VRM 4 phase (split 8phase) power stage, although I don't know if that's relevant.

    Anyways, if anyone has experience with this setup and has had these issues or knows what to do, I would appreciate any assistance.

    Thanks,
    Steve

  2. #2
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH II EXTREME
    ProcessorTHREADRIPPER 3960X
    Memory (part number)TXBD48G4000HC18FBK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 970/960/950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Dimastech Easy XL...let it all hang out man!
    Power SupplySeasonic 1000 Platinum
    Keyboard Corsair Strafe MK2 ROG Claymore... or Fender Rhodes Electric Piano (MKI 73)
    Mouse Corsair M65Pro or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
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    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
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    Quote Originally Posted by stevehifi2003 View Post
    message (clock watchdog timeout).
    This is a typical error message for insufficient vcore

    Seems like the auto tune is not stable.

    You are best off OCing yourself in the BIOS

    The VRM phase count is not relevant.

  3. #3
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    So i ended up changing the bus speed to 100MHz and multiplier to 52. Now CPU is OC'd to 5.2GHz and seems to be stable.

    The AI utility apparently chose some strange setting of 103MHz bus speed with multiplier of 52, translating to a 5.356 GHz
    CPU clock. I guess this was pushing the limits of the cpu and caused it to be unstable.

  4. #4
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    Quote Originally Posted by Arne Saknussemm View Post
    This is a typical error message for insufficient vcore
    Do you happen to know of a list that explains what common blue screen error messages mean in the context of overclocking specifically?

    Just googling blue screen error codes is completely unhelpful. You just get a bunch of sites with general advice about computers that have nothing at all to do with overclocking crashes in particular.

  5. #5
    ROG Guru: Grand Master Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH II EXTREME
    ProcessorTHREADRIPPER 3960X
    Memory (part number)TXBD48G4000HC18FBK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 970/960/950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB/Samsung 1TBSSDs
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Dimastech Easy XL...let it all hang out man!
    Power SupplySeasonic 1000 Platinum
    Keyboard Corsair Strafe MK2 ROG Claymore... or Fender Rhodes Electric Piano (MKI 73)
    Mouse Corsair M65Pro or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
    Accessory #2 Err...belt?
    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
    Join Date
    Apr 2012
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    Quote Originally Posted by stevehifi2003 View Post
    Now CPU is OC'd to 5.2GHz and seems to be stable.
    OK good stuff!

    Quote Originally Posted by gx240 View Post
    Do you happen to know of a list that explains what common blue screen error messages mean in the context of overclocking specifically?
    I don't know of a good resource for that...you have to catch the message and find what "number" it is and have a look on some of the older number lists...the most common ones translate well still

    https://rog.asus.com/forum/showthrea...ake#post610307

  6. #6
    ROG Guru: White Belt Array oG kill3r PC Specs
    oG kill3r PC Specs
    MotherboardZ390-H
    Processori9 9900k
    Memory (part number)CORSAIR DOMINATOR 3600 32GB
    Graphics Card #1PNY RTX 3080 XLR8
    Sound CardSOUND BLASTER G6
    MonitorASUS XG43VQ
    Storage #1SAMSUNG 970 PRO M2 512GB
    Storage #2SAMSUNG 970 PRO M2 512GB
    CPU CoolerNZXT M22
    CaseNZXT 710i
    Power SupplyCORSAIR HX1000
    Keyboard CORSAIR K65
    Mouse CORSAIR DARK CORE RGB PRO SE
    Headset BEYERDYNAMIC 990 PRO
    OS WINDOWS 10
    oG kill3r's Avatar
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    What are your settings for 5.2Ghz ?

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