MSI wil, offer BIOS Update for Intel 400-Series Motherboards to Support Re-Size BAR

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Dec 4, 2020.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. cucaulay malkin

    cucaulay malkin Master Guru

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    comet lake getting SAM support ryzen 3000
    not only am I surprised
    I am truly shocked
     
  3. SpajdrEX

    SpajdrEX AMD Vanguard

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  4. Endymion

    Endymion Active Member

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    Z390 will not get that support?
     

  5. Stairmand

    Stairmand Master Guru

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    If it's part of the PCIe spec and only requires a BIOS update then I wonder why it's not been included up till now?
     
  6. DannyD

    DannyD Maha Guru

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    The z490 boards need certain hardware too, many cheap z490 for ex. don't have this.
    We're talking about Gen4 support yeah?
     
  7. kakiharaFRS

    kakiharaFRS Master Guru

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    edit : nvm nothing adding to the conversation

    but off-topic I noticed this year maybe because I followed hardware more than usual, that all the high-end motherboards disappear very quickly, even on X570 that should be more than ever in demand !
    the msi godlike and creation seem to have disappeared, shops sell what they have in stock and then they become undeliverable too bad I wasn't against getting one ^^
     
  8. craycray

    craycray Member Guru

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    Not to my knowledge. What I understand is that BAR was introduced as part of PCIe 3.0 specifications, so ideally any 3.0 compatible board should have the necessary hardware to support it. Please feel free to correct me if I am missing something here.

    But I don't expect the updated BIOS to be available on my Z97 Sabertooth. :)
     
  9. DannyD

    DannyD Maha Guru

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    [​IMG]

    This wasn't the pic i was looking for, this board has something else to aid pcie4, i'll try find it if you like, it's perhaps in my manual. Basically though the z490 must have correct hardware.
     
    craycray likes this.
  10. craycray

    craycray Member Guru

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    Good Point.

    I think that hardware, as you suggested, is necessary for PCIe 4.0. Since BAR has been available as part of PCIe3.0 spec, I am wondering if it can technically be implemented on all 3.0 Boards. Just a thought.
     

  11. MDKpt

    MDKpt Member

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    will X299 be suported ?


    cheers
     
  12. aayman_farzand

    aayman_farzand Master Guru

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    I believe this feature is actually not locked to PCIE4. This was confirmed by Gamer's Nexus after consulting with Nvidia.

    I'd like my Z370 to be supported too, but yea I'd be surprised if I got it. Although I did receive updates till last year for security fixes issued by Intel. Who knows...maybe Intel will push OEMs to do the same for this.
     
  13. Witcher29

    Witcher29 Maha Guru

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    Not going to beta test this., ill be back in 6 months see how this tech goes.
     
  14. AMDMan2016

    AMDMan2016 Active Member

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    Think Gigabyte will add the support for B460 Series as well like MSI is doing? while i don't have a RTX capable card yet, but having the support for future would be awesome, but won't get my hopes up as yet
     
  15. -Tj-

    -Tj- Ancient Guru

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    Just checked for my z490unify and it's ready to download, but I wont install beta bios just yet.


    Would be nice if it were unlocked for all dx12 pcie3.0 cards though, not just bs Ampere 3000 series exclusive, but knowing ngreedia I dont have any hopes at all.
     

  16. CyberSparky

    CyberSparky Member Guru

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    I seem to have the option available on X470 using beta bios from Gigabyte. Didn't notice it before. Now Nvidia need to enable it in their driver. :)
     
  17. craycray

    craycray Member Guru

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    Be very careful, AMD BIOS for BAR is only for upgrades to irreversible BIOS update to use Ryzen 5xxx chips. If you are not using a 5xxx chip, it may leave your mobo in an unusable state.
     
  18. Astyanax

    Astyanax Ancient Guru

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    it won't, the bios works fine on older cpu's.
     
  19. sam640

    sam640 Member

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    I await hilbert's review of it once implemented.
     
  20. brogadget

    brogadget Active Member

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    As I already wrote in another forum topic: my asus apex VI x299 supports enabling "above 4G decoding", but It doesn´t offer the BIOS option to enable "resizable BAR", yet....
    Asus is updating x299 board BIOSs pretty frequently (x299 ROG series like Omega, Encore, etc.)
    Asus additionaly describes this BIOS option: "Globally enables or disables capable devices to be decoded in above 4G address space (only if system supports 64bit PCI decoding)"
     
    Last edited: Dec 9, 2020

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