MSI MAG B550 Tomahawk
Motherboards · MSI
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Latest Firmware
Version 7C91vAK
Released
17.5 MB
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Firmware History
7C91vAK
- Update AGESA ComboAm4v2PI 1.2.0.11 - Update Secure Boot Key.
Download from MSI (opens in new tab)7C91vAJ
- AGESA ComboAm4v2PI 1.2.0.F update. - Fix the fan setting changes after selecting “Exit Without Saving.”
Download from MSI (opens in new tab)7C91vAI
- AGESA ComboAm4v2PI 1.2.0.E update.
Why Keep Your Firmware Updated
Motherboard BIOS/UEFI firmware is essential for hardware initialization and CPU compatibility. Updates often include microcode patches for security vulnerabilities, support for newer processors and memory, and stability improvements. Always use a UPS or ensure stable power during BIOS updates — an interrupted flash can render the board unbootable.