ASRock B860M Lightning WiFi
Motherboards · ASRock
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Latest Firmware
Version 3.21
Released
12.0 MB
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Firmware History
3.21
1. Update Intel Microcode 0x121 2. Update Intel ME version. (19.0.5.2175)
Download from ASRock (opens in new tab)2.06
1. Update Intel Microcode and ME version. 2. Support Upcoming Processors.
Download from ASRock (opens in new tab)2.04
1. Optimized system performance and stability. 2. Enhance platform security with Pre-boot DMA Protection, VT-d, and the IOMMU option.
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.