MSI MAG B660M Mortar WiFi DDR4

Firmware History

1. 7D42v1N

   2025-08-15

   – Security enhancement: Enable Pre-boot DMA Protection, VT-d, and IOMMU Pre-boot defaults. (CVE-2025-14303) – Fix Fan setting will be changed after selecting exit without saving. – Update ME FW v16.1.38.2676 - ME Firmware ver: ME_16.1.38.2676 (<a href="https://download.msi.com/bos_exe/mb/ME_16.1.38.2676.zip">download</a>) - ME Firmware <a href="https://download.msi.com/bos_exe/mb/ME-FW-update-SOP-E.zip">update SOP</a>

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2. 7D42v1M

   2025-04-23

   - Fix the issue of DMI UUID loss after clearing CMOS. - Security update. - ME Firmware ver: ME_16.1.35.2557 (<a href="https://download.msi.com/bos_exe/mb/ME_16.1.35.2557.zip">download</a>) - ME Firmware <a href="https://download.msi.com/bos_exe/mb/ME-FW-update-SOP-E.zip">update SOP</a>

   Download from MSI