ASRock X299 Extreme4 BIOS 1.90 Feb 13, 2021
... 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 ... - Press [F2] during POST to get into BIOS setup menu. - Select the Instant Flash ...