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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    BIOS
    PRIME B550M-A AC BIOS 2806
    Version 2806 20.15 MB
    2022/12/12

    Improve system compatibility

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    PRIME B550M-A AC BIOS 2803
    Version 2803 20.15 MB
    2022/04/29

    "1. Update AMD AM4 AGESA V2 PI 1.2.0.7.
    2. Fix AMD fTPM issue causes random stuttering."

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    PRIME B550M-A AC BIOS 2604
    Version 2604 20.1 MB
    2022/03/07

    1. Update AMD AM4 AGESA V2 PI 1.2.0.6b

    2. Improve system performance and stability
    3. Improve system performance for AMD Ryzen 7 5800X3D

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    PRIME B550M-A AC BIOS 2423
    Version 2423 20.03 MB
    2021/08/26

    "1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch C
    2. Improve system performance"

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    PRIME B550M-A AC BIOS 2407
    Version 2407 20.02 MB
    2021/08/04

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

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    PRIME B550M-A AC BIOS 2403
    Version 2403 20.02 MB
    2021/06/21

    "1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch A
    2. Improve system stability"

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    PRIME B550M-A AC BIOS 2006
    Version 2006 19.89 MB
    2021/04/08

    "- Update AMD AM4 AGESA V2 PI 1.2.0.1 Patch A
    - Fix USB connectivity issue"

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    PRIME B550M-A AC BIOS 2003
    Version 2003 19.89 MB
    2021/03/26

    "- Update AMD AM4 AGESA V2 PI 1.2.0.1
    - Support Smart Access Memory for Ryzen 3000 Series Processors
    - Fix the L3 cache performance in AIDA64
    - Improved system performance
    - Improved system compatibility
    - Improved memory performance"

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    PRIME B550M-A AC BIOS 1804
    Version 1804 19.86 MB
    2021/02/08

    "1. Update AMD AM4 AGESA V2 PI 1.2.0.0
    2. Update AMD RAID UEFI driver
    3. Improve system stability"

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    PRIME B550M-A AC BIOS 1602
    Version 1602 Beta Version 19.65 MB
    2021/01/08

    Update AMD AM4 AGESA V2 PI 1.1.9.0.

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    PRIME B550M-A AC BIOS 1401
    Version 1401 19.56 MB
    2020/12/08

    "1. New CPU support
    2. Add a ReSize BAR shortcut for AMD SAM support"

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    PRIME B550M-A AC BIOS 1216
    Version 1216 Beta Version 19.44 MB
    2020/11/25

    1. Support AMD AM4 AGESA V2 PI 1.1.0.0 Patch C
    2. Improve system stability
    3. Improve DRAM compatibility
    4. Improve system performance

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    PRIME B550M-A AC BIOS 1212
    Version 1212 Beta Version 19.44 MB
    2020/11/05

    "1. Update AMD AM4 AGESA V2 PI 1.1.0.0 Patch C
    2. Improve system stability
    3. Improve DRAM compatibility"

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    PRIME B550M-A AC BIOS 1203
    Version 1203 19.44 MB
    2020/10/28

    "1. Updated AMD AM4 AGESA V2 PI 1.1.0.0 Patch B
    2. Improve system performance and stability
    3. Improved DRAM compatibility"

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    PRIME B550M-A AC BIOS 1004
    Version 1004 18.38 MB
    2020/08/17

    "Improve system performance and stability
    Improve Fan control function
    Improve DRAM stability
    Update AM4 AGESA combo V2 PI 1.0.8.0
    Improve system stability
    Improve DRAM performance"

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    PRIME B550M-A AC BIOS 0307
    Version 0307 18.28 MB
    2020/07/06

    PRIME B550M-A AC BIOS 0307 & LAN tool first release.

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    Product has High-Definition Multimedia Interface.
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    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
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      • 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
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