Windows 10: Intel Removing Legacy BIOS Support from Motherboard UEFI in 2020

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  1. Brink's Avatar
    Posts : 33,158
    64-bit Windows 10 Pro build 18262
       20 Nov 2017 #1

    Intel Removing Legacy BIOS Support from Motherboard UEFI in 2020


    Intel is working on a plan to remove so-called "last-mile" barriers to killing off legacy BIOS by requiring UEFI Class 3, which doesn't expose legacy BIOS interfaces.

    BIOS is the firmware that helped older PCs boot up after powering on and offered a runtime for the operating system and software.

    Today's computers come with UEFI or the Unified Extensible Firmware Interface, but have included BIOS support for cases where people use software that depends on 16-bit BIOS, which can be enabled though the Compatibility Support Module (CSM).

    Intel technical marketing engineer Brian Richardson revealed in a recent presentation that the company will require UEFI Class 3 and above. It will remove legacy BIOS support from its client and datacenter platforms by 2020.

    By enforcing UEFI Class 3 it will "break" any customer process that depends on disabling UEFI through CSM.

    However, as noted by Liliputing, Intel isn't making Secure Boot mandatory, which means users should still be able to run unsigned Linux distributions on PCs with UEFI. However, users won't be able to sidestep compatibility issues using CSM on Intel-based PCs.

    Richardson notes that Intel wants to "eliminate components with no UEFI support" by ensuring that drivers, peripherals and utilities work without CSM...


    Read more: Intel: We're ending all legacy BIOS support by 2020 | ZDNet

    See also: http://www.uefi.org/sites/default/fi...ntel_Final.pdf
      My ComputersSystem Spec

  2.    21 Nov 2017 #1

    I am worried about this decision. Let's see what happens at 2020. I am still happily using MBR.
      My ComputerSystem Spec

  3.    21 Nov 2017 #2

    Long overdue - why anybody would use MBR for windows on new devices is a mystery to me.

    You can convert mbr installation to gpt using mbr2gpt as in tutorial in tutorial section.
      My ComputerSystem Spec

  4.    21 Nov 2017 #3

    eLPuSHeR said: View Post
    I am worried about this decision. Let's see what happens at 2020. I am still happily using MBR.
    It is only for new devices.
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  5.    21 Nov 2017 #4

    For me it has to do with booting. If I have just the UEFI enabled I can't use the F12 key at post beep to boot from USB. I have to have it set to UEFI and Legacy or just Legacy. Hell, my mobo is only 3 yrs old.
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  6. Cliff S's Avatar
    Posts : 21,730
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu
       21 Nov 2017 #5

    Plankton said: View Post
    For me it has to do with booting. If I have just the UEFI enabled I can't use the F12 key at post beep to boot from USB. I have to have it set to UEFI and Legacy or just Legacy. Hell, my mobo is only 3 yrs old.
    On new boards, you just have to temporarily turn of Fast Boot in BIOS(with my MSI board I can do that from inside of Windows) and turn off Fast Startup in Power Options.
      My ComputersSystem Spec


  7. Posts : 582
    Windows 10 Pro 64bit; Windows 10 TP; KDE Neon
       21 Nov 2017 #6
    Last edited by Brink; 21 Nov 2017 at 13:16. Reason: added link
      My ComputerSystem Spec

  8.    21 Nov 2017 #7

    Holy crap.....since my 4h gen i7 4790K is not affected I don't have to worry. But in any case, I downloaded and ran the detection tool and it says the same as yours....not vulnerable.
    Last edited by Brink; 21 Nov 2017 at 13:16. Reason: added link
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  9.    21 Nov 2017 #8

    Plankton said: View Post
    Holy crap.....since my 4h gen i7 4790K is not affected I don't have to worry. But in any case, I downloaded and ran the detection tool and it says the same as yours....not vulnerable.
    Funnily enough I ran it on 1st gen i5 (shouldn't be affected) but it says

    "Based on the analysis performed by this tool: Detection Error: This system may be vulnerable." Hmmm.
      My ComputerSystem Spec

  10.    21 Nov 2017 #9

    Plankton said: View Post
    For me it has to do with booting. If I have just the UEFI enabled I can't use the F12 key at post beep to boot from USB. I have to have it set to UEFI and Legacy or just Legacy. Hell, my mobo is only 3 yrs old.
    Is your USB stick configured for EFI boot? that should be a simple fix.
      My ComputerSystem Spec


 
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