ASRock X299 Extreme4 BIOS 1.90 Feb 13, 2021
... Audio Codec) - Supports Purity Sound. 4 & DTS Connect - ASRock RGB LED Changes:- Update Intel Microcode for Cascade Lake-X CPU. ASRock instant flash Method 1: - Save the BIOS files on a device such as USB disk (FAT32 format), hard disk (FAT32 format) and floppy drive. - ...