Asus tells owners of its Intel motherboards to update the BIOS because they 'may allow ...

For maximum security, Asus recommends that you "download and update the BIOS to the specified version from the official website and, in the BIOS Setup Utility, configure the IOMMU DMA Protection ...
SlashGear

Should You Update Your Motherboard's BIOS? (And What Happens If You Don't?)

There are certain computer tasks that even professional technicians don't like tackling. For myself, one of the most nerve-wracking was updating a computer's BIOS. The BIOS is like a primitive ...