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  1. #1
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    Broadwell E users watch out for Windows 10 KB4100347 update

    hey,

    I wanted to warn you guys for Windows 10 update KB4100347 ( Intel CPU Microcode update) this one Kills UEFI Bios overclock.
    Before the update my system was running 4.2Ghz on all cores but after this update the Cpu runs Default 3.7 all cores with 1*Core @ 4Ghz, so yes Default spec..

    I'm running a Rampage V Edition 10 with Bios 1801 (latest none beta).. i don't know how the systems reacts for the peeps that got the Beta 1902 installed ?
    but i will wait until it is official non beta before i flash it.

    For now i uninstalled KB4100347 and used the Microsoft Windows update Hide tool to keep it from updating.
    Last edited by Hivemind; 09-15-2018 at 04:06 PM.

  2. #2
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    Quote Originally Posted by Hivemind View Post
    hey,

    I wanted to warn you guys for Windows 10 update KB4100347 ( Intel CPU Microcode update) this one Kills UEFI Bios overclock.
    Before the update my system was running 4.2Ghz on all cores but after this update the Cpu runs Default 3.7 all cores with 1*Core @ 4Ghz, so yes Default spec..

    I'm running a Rampage V Edition 10 with Bios 1801 (latest none beta).. i don't know how the systems reacts for the peeps that got the Beta 1902 installed ?
    but i will wait until it is official non beta before i flash it.

    For now i uninstalled KB4100347 and used the Microsoft Windows update Hide tool to keep it from updating.
    Is there anyone here who has Bios 1902 installed with the KB4100347 update ?? and does the overclock still work with this combination ?

  3. #3
    ROG Member Array SSJ3Weasel PC Specs
    SSJ3Weasel PC Specs
    MotherboardRAMPAGE V EDITION 10
    ProcessorIntel i7 6850k
    Memory (part number)GeIL SUPER LUCE RGB (4 x 4GB) DDR4 2666 (GALS48GB2666C16ADC)
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    MonitorLG 34UM69G / Asus VX248H
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    CaseCooler Master MasterCase Pro 5
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    Quote Originally Posted by Hivemind View Post
    Is there anyone here who has Bios 1902 installed with the KB4100347 update ?? and does the overclock still work with this combination ?
    I have 1902 on one chip and 1801 on the other and nether one of them are doing my OC I have a 6850k that had an OC of 4.4 now I'm being clocked down to 3.8 it is really pissing me off, at least now I know it's not just me though. I was really racking my brain with it. I just got done doing a Windows restore whipping my whole drive and still didn't work since windows had updated Windows always has to brake something

  4. #4
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    Quote Originally Posted by SSJ3Weasel View Post
    I have 1902 on one chip and 1801 on the other and nether one of them are doing my OC I have a 6850k that had an OC of 4.4 now I'm being clocked down to 3.8 it is really pissing me off, at least now I know it's not just me though. I was really racking my brain with it. I just got done doing a Windows restore whipping my whole drive and still didn't work since windows had updated Windows always has to brake something
    Thanks for the information, now i know that updating to 1902 doesn't help so i will wait until it is non beta then i will update anyway.

    Made a support ticket to microsoft, with the Feedback tool but if you look around on forums where not the only one , so i think microsoft knows about this issue now.

    I hope that one of Asus forum admins can comment on this ? if Microsoft won't change anything then with the next big update coming October this update will be integrated.. well then where screwed and we lose any overclocking ability !
    Last edited by Hivemind; 09-17-2018 at 05:54 PM.

  5. #5
    ROG Member Array SSJ3Weasel PC Specs
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    MotherboardRAMPAGE V EDITION 10
    ProcessorIntel i7 6850k
    Memory (part number)GeIL SUPER LUCE RGB (4 x 4GB) DDR4 2666 (GALS48GB2666C16ADC)
    Graphics Card #1Asus GTX 1080ti Poseidon
    MonitorLG 34UM69G / Asus VX248H
    Storage #1Samsung 850 EVO 500GB
    Storage #2WD Black 1TB 2.5" 7200RPM
    CPU CoolerSwiftech A​pogee XL2 ​Performanc​e Water Bl​ock
    CaseCooler Master MasterCase Pro 5
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    You can uninstall the update and it will fix the problem, It is only an Intel update anyway and my 6850k isn't on the list. To uninstall go to Windows Settings-> Update & Security -> View update history -> Uninstall updates, then right click on the update with (KB4100347) and click uninstall

  6. #6
    ROG Enthusiast Array armin_maleki PC Specs
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    MotherboardRampage v10
    ProcessorCor i7 6850K
    Memory (part number)Trident Z
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    thank you
    i uninstalled KB4100347 and my overclock come back!

    i have 1901 beta bios (rampage v10 ) and 6850K
    Last edited by armin_maleki; 09-17-2018 at 11:10 PM.

  7. #7
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    This is happening on my EVGA X99 FTWK and yes 8650K IS affected.

  8. #8
    ROG Guru: Black Belt Array Korth PC Specs
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    MotherboardASUS X99 R5E (BIOS2101/1902)
    ProcessorHaswell-EP E5-1680-3 SR20H/R2 (4.4GHz)
    Memory (part number)Vengeance LPX 4x8GB SS DDR4-3000 (CMK32GX4M4C3000C15)
    Graphics Card #1NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Graphics Card #2NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Sound CardJDS Labs O2+ODAC (RevB), USB2 UAC1
    MonitorASUS PG278Q
    Storage #1Samsung 850 PRO 512GB SSDs, 4xSATA3 RAID0
    Storage #2Comay BladeDrive E28 3200GB SSD, 8xPCIe2
    CPU CoolerRaijintek NEMESIS/TISIS, AS5, 2xNH-A14
    CaseObsidian 750D (original), 6xNH-A14
    Power SupplyZalman/FSP ZM1250 Platinum
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    These performance impacts might be uncorrectable (that is, the price paid for correcting Spectre vulnerability) on these chips.

    Sad to say I don't really expect them to be improved ... full performance (without Spectre vulnerability) might only be available on newer parts.
    "All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams

    [/Korth]

  9. #9
    ROG Guru: Orange Belt Array ThrashZone PC Specs
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    MotherboardASUS x99 sabertooth & x299 Rampage VI Apex
    Processori7-5930k & i9-9940x
    Memory (part number)Trident-Z 3200C14 & Trident-Z 3600C16 both Samsung B-Dies
    Graphics Card #1EVGA 1080ti FTW3 water block & Titan Xp copper water block
    MonitorAOC G2460PG 24"G-Sync 144Hz & ASUS VG248QE 24" 144Hz
    Storage #12-Samsung 970 Evo Plus 500gb M.2 & 2.5" ssd's 850 pro's for os 850 evo for games
    Storage #22-LG Blu-Ray WH16NS40
    CPU Coolerx99 2-240GTX with Heatkiller-4-Pro/ vrm water block Both&x299 2-280GTX 2-D5's before and after rads
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    Quote Originally Posted by Korth View Post
    These performance impacts might be uncorrectable (that is, the price paid for correcting Spectre vulnerability) on these chips.

    Sad to say I don't really expect them to be improved ... full performance (without Spectre vulnerability) might only be available on newer parts.
    Hi,
    Since Haswell-e 5930k is not affected on 2101 bios with the update installed I doubt that's the case and the fix is just a little tweaking of the update

    Question will be next if the fix from MS restores broadwell-e will it now bork haswell-e
    Click image for larger version. 

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  10. #10
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    Quote Originally Posted by Korth View Post
    These performance impacts might be uncorrectable (that is, the price paid for correcting Spectre vulnerability) on these chips.

    Sad to say I don't really expect them to be improved ... full performance (without Spectre vulnerability) might only be available on newer parts.
    Well i don't mind if we lose a few % performance that's indeed the price we have to pay.. But what i do Mind is that we can't overclock these cpu's anymore with this Microcode update that's a big problem.

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