ASRock X299 Killer SLI/ac BIOS 2.00 Jul 12, 2021
... - Hyper BCLK Engine IIIChanges: - Update Intel Microcode for Cascade Lake-X CPU. ... setup menu. - Select the Instant Flash utility under [Tool] menu to execute it. - ... system USB pen drive. - Download an updated ASRock BIOS file (WinZip format with .zip file ...