The UEFI firmware implementation in some motherboards from ASUS, Gigabyte, MSI, and ASRock is vulnerable to direct memory access (DMA) attacks that can bypass early-boot memory protections. The ...
ASRock releases a second BIOS update with AGESA 1.3.0.0a to address Ryzen No-POST and boot failures on select AM5 ...
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ASRock UEFI BIOS overview

An overview of ASRock's uefi bios on the ASRock Extreme6/GB Motherboard.