Windows 10: KB4100347 Intel microcode updates for Windows 10 v1803 - May 18

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  1. Posts : 69
    Win10 Pro x64 / WinServer 2016 Essentials
       17 May 2018 #50

    Ground Sloth said: View Post
    When I hear the word "emulation" I immediately think of software like Snes9x or ZSNES, which enables you to play Super Nintendo games in Windows.
    That is exactly what emulation means in computing. CPU microcode on the other hand determines and manipulates how certain complex instructions are executed by the processor.
    Last edited by Win7ine; 17 May 2018 at 11:09.
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  2. Posts : 69
    Win10 Pro x64 / WinServer 2016 Essentials
       17 May 2018 #51

    rezpower said: View Post
    I am sorry guys but I am still confused and don't understand exactly about the bios and OS patch! Reading some comments I understood that if your manufacturer provide you with an update bios patch then you don't need the OS patch released by microsoft and you are protected. Is this right or you need both? HP released two bios updates for my laptop to address the issue and I updated my bios. This is what the InSpectre app shows:
    Attachment 189070

    I had to manually disable the protections from windows registry : "FeatureSettingsOverride"=dword:00000003
    because my pc was too slow! after disabling it was working fast and normal again! If I'm not mistaken I am not protected even if I have flashed the bios with latest patch!?
    You got that right, if you manually disable those features (in the registry) even if your CPU microcode is patched to the required level either by (preferably) BIOS or Microsoft KB, you will not be protected.
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  3. Posts : 7,625
    10 Home x64 (1803) (10 Pro on 2nd pc)
       17 May 2018 #52

    rezpower said: View Post
    ..I understood that if your manufacturer provide you with an update bios patch then you don't need the OS patch released by microsoft and you are protected. Is this right or you need both?
    The protection for Meltdown is apparently possible with just the OS software (not this microcode patch, but OS patches in previous cumulative updates) but Spectre requires the microcode to be in place for the OS protection to be effective. Exactly how much of a performance hit you get depends crucially on which processor you have, some older ones require a lot more work on the OS software side.

    Microcode alone isn't sufficient to protect you, but you need the right microcode (in bios or loaded by this update) for the OS protection to be possible.
    Last edited by Bree; 17 May 2018 at 11:34.
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  4.    17 May 2018 #53

    Did the OS update this morning for Spectre, allready had Meltdown. No slow downs that I can see or feel. I mostly browse and game on this machine.
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  5.    17 May 2018 #54

    Only noticed a small delay , 2 seconds, in boot-time.
    Also opening eventviewer took some more time , small price for safer OS............!
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  6. Posts : 351
    Windows 10 Home 64 bit, Version 1803 (OS Build 17134.1)
       17 May 2018 #55

    I haven't received any microcode patches/updates lately,
    that I'm aware of.
    This must mean that I'm protected,
    right?

    Click image for larger version. 

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ID:	189109
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  7. Posts : 432
    Windows 10 Pro x64
       17 May 2018 #56

    Geosammy said: View Post
    I haven't received any microcode patches/updates lately,
    that I'm aware of.
    This must mean that I'm protected,
    right?

    Click image for larger version. 

Name:	inspectre.PNG 
Views:	59 
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ID:	189109
    Exactly! Fully protected, with no System performance degradation :)
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  8. Posts : 351
    Windows 10 Home 64 bit, Version 1803 (OS Build 17134.1)
       17 May 2018 #57

    ddelo said: View Post
    Exactly! Fully protected, with no System performance degradation :)
    @ddelo
    I thought so.
    Thanks for your reply.
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  9. Posts : 432
    Windows 10 Pro x64
       17 May 2018 #58

    No problem, that's why this forum exists...to share experience!!!
      My ComputerSystem Spec


  10. Posts : 351
    Windows 10 Home 64 bit, Version 1803 (OS Build 17134.1)
       17 May 2018 #59

    ddelo said: View Post
    No problem, that's why this forum exists...to share experience!!!
    @ddelo
    Thanks, I say thanks again and I agree...
      My ComputerSystem Spec


 
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Related Threads
Source: https://support.microsoft.com/en-us/help/4091666/kb4091666-intel-microcode-updates See also: KB 4093836 Summary of Intel microcode updates KB4100347 Intel microcode updates for Windows 10 v1803 - Windows 10 Forums KB4090007 Intel...
Source: https://support.microsoft.com/en-us/help/4091664/kb4091664-intel-microcode-updates See also: KB 4093836 Summary of Intel microcode updates KB4100347 Intel microcode updates for Windows 10 v1803 - Windows 10 Forums KB4090007 Intel...
Source: https://support.microsoft.com/en-us/help/4091663/kb4091663-intel-microcode-updates See also: KB 4093836 Summary of Intel microcode updates KB4100347 Intel microcode updates for Windows 10 v1803 - Windows 10 Forums KB4090007 Intel...
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Solved Intel microcode updates for 1803? in Drivers and Hardware
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