MSI PRO B850M-B
Motherboards · MSI
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Latest Firmware
Version 7E87v2A31
Released
17.3 MB
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Firmware History
7E87v2A31
- AGESA PI-1.3.0.1b updated. - Optimized with AMD EXPO Technology: Featuring Ultra Low Latency.
Download from MSI (opens in new tab)7E87v2A30
- AGESA ComboAm5 1.3.0.1 released. - Fixed system auto power-on when pressing the power button during POST after Wake-on-LAN. - Better compatibility with some older graphics cards.
Download from MSI (opens in new tab)7E87v2A21
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.