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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    BIOS
    PRIME X299-A II BIOS 1801
    Version 1801
    10.2 MB
    2024/07/03

    "1. This update includes the patch for the LogoFAIL vulnerabilities.
    2. Improve system stability.

    “Before BIOS update, please download Intel ME update tool from ASUS support site, and update ME firmware to Version 11.12.95.2499 to ensure optimized system settings.”
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 1601
    Version 1601
    10.2 MB
    2023/09/14

    "1. Recommended for vital update to mitigate the potential security vulnerabilities
    2. Improve system stability

    “Before BIOS update, please download Intel ME update tool from ASUS support site, and update ME firmware to Version 11.12.94.2479 to ensure optimized system settings.”
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 1403
    Version 1403
    10.26 MB
    2022/07/12

    "01. Improved system stability
    02. Strengthened system security and robustness
    03. Improved memory compatibility

    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 1301
    Version 1301
    10.16 MB
    2021/12/01

    "Update ME firmware to 11.12.86.1877 version
    Improve system stability.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 1201
    Version 1201
    10.16 MB
    2021/09/23

    "01. Add new EC Id (XMC25QH20B)
    02. Fix M.2 test card cannot be detected when device on PCIEX1 slot."

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    PRIME X299-A II BIOS 1101
    Version 1101
    10.16 MB
    2021/07/24

    "1. Support Windows 11 by default, no settings changes required in the UEFI BIOS.


    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOS Renamer."

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    PRIME X299-A II BIOS 1004
    Version 1004
    10.15 MB
    2021/04/19

    "- Support Resize Bar function.
    - Update AURA FW
    - Update CPU microcode for Intel security issue

    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 0901
    Version 0901
    10.15 MB
    2021/01/19

    "-Improved system performance
    -Improved system stability
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 0702
    Version 0702
    10.13 MB
    2020/07/23

    "1. Update ME FW version.
    2. Improved system stability
    3. Update Microcode for IPU 2020.1
    Before running the USB BIOS Flashback tool, please rename the BIOS file (* X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 0603
    Version 0603
    10.12 MB
    2020/04/13

    "update Microcode for Intel security.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer."

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    PRIME X299-A II BIOS 0505
    Version 0505
    10.12 MB
    2020/01/22

    01. [E] Improve system performance and stability
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer.

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    PRIME X299-A II BIOS 0504
    Version 0504
    10.24 MB
    2019/12/13

    1. Improve system performance.
    2. Update to Intel’s latest microcode.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer.

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    PRIME X299-A II BIOS 0401
    Version 0401
    9.81 MB
    2019/10/31

    - Improve system performance and stability.
    - Improve DRAM stability
    - Show ACHI warning message in F1 POST message
    - Shorten system boot time.
    - Change the default setting for ASUS MultiCore Enhancement to disabled.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (X299A2.CAP) using BIOSRenamer.

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    Intel ME
    MEUpdateTool
    Version 11.12.95.2499
    3.62 MB
    2024/06/25

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.95.2499 simultaneously.
    Please download the file and check the MD5 code first.
    MD5: 86d5c398c4673a958b5e38d393fa655b

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    MEUpdateTool
    Version 11.12.94.2479
    3.62 MB
    2023/09/08

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.94.2479 simultaneously.
    Please download the file and check the MD5 code first.
    MD5: 2fe4e91f6ea2dcee1eb8c3773201f091

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    MEUpdateTool
    Version 11.12.86.1877
    6.59 MB
    2021/09/30

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.86.1877 simultaneously.
    Please download the file and check the MD5 code first.
    MD5: a3038c31929cd836f96cac3d40db67b0

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    MEUpdateTool
    Version 11.12.82.1838
    5.49 MB
    2021/02/02

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.82.1838 simultaneously.
    Please download the file and check the MD5 code first.
    MD5: 4fdc58bd3ae4cc9c6411cf819e08f3d9

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    MEUpdateTool
    Version 11.12.77.1664
    5.21 MB
    2020/05/07

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.77.1664 simultaneously.
    Please download the file and check the MD5 code first.
    MD5: 3596ff47183b04dc456ac8714407724a

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    MEUpdateTool
    Version 11.12.0.1622
    5.21 MB
    2020/01/08

    Intel has identified security issue that could potentially place impacted platform at risk.
    Use ME Update tool to update your ME.
    *We suggest you update ME Driver to the latest Version 11.12.0.1622 simultaneously.
    Please download the file and check the MD5 code first.
    MD5:d167db9b72ab5e820aba3d47f0979178

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    Product has High-Definition Multimedia Interface.
    • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
    • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
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    • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
      • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
      • *Precise specifications and features vary by model. Please refer to the specification page
      • The product (electrical, electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
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