Asus has announced that the new BIOS with the AMD AGESA 126.96.36.199 update for X570 and B550 series motherboards is now available for download. While the existing BIOS is compatible with Ryzen 3000XT processors. The new BIOS optimizes the performance of the latest AMD Ryzen 3000XT processors. They are the Ryzen 9 3900XT, Ryzen 7 3800XT, and Ryzen 5 3600XT.
BIOS updates with AGESA 188.8.131.52 for 300 and 400 series motherboards will be available for download on the ASUS support website in late July. Upcoming
BIOS updates for the 400 series motherboards will support future Zen 3 based processors and Ryzen 4000 CPUs.
Upgrading an Asus AM4 series motherboard for compatibility with the latest AMD Ryzen 3000XT processors takes just a few moments, via one of two simple methods.
With the exclusive Asus USB BIOS Flashback function. Users only need to download the latest UEFI BIOS to a USB flash drive. Then they must connect the power supply to the motherboard. Then they must insert a FAT32 formatted USB drive and press the USB Flashback or Reset button on the motherboard.
There’s no need to install an AM4 processor or memory modules, and the update will complete in a few moments. Alternatively, users can upgrade via the EZ Flash 3 utility, which is integrated with the UEFI ASUS BIOS. This tool allows the update to be applied through an inserted USB drive. Or download directly from the Internet.