MSI PRO B850M-B
Motherboards · MSI
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Latest Firmware
Version 7E87v2A21
Released
15.4 MB
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Firmware History
7E87v2A21
- AGESA PI-1.3.0.0 updated. - Implemented the anti-cheat mechanism. - Improved PCIe-based devices compatibility under certain CPU or system combinations.
Download from MSI (opens in new tab)7E87v2A20
- AGESA PI pre-1.3.0.0 updated. - Enable the "BIOS UEFI/CSM Mode" option.
Download from MSI (opens in new tab)7E87v2A15
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.