I flashed this BIOS on my R4F and when I tried to boot to windows I am getting IRQL_NOT_LESS_OR_EQUAL when Windows 8.1 boots. I made sure it was set back how it was prior to the flash.
IRST was set as the RST mode. RAID was selected as the mode since I have RAID 0 set up. I made sure to set it back to UEFI boot, and SECURE BOOT was set to Windows OS. I had RST 13 beta installed from station drivers, it worked before the BIOS switch.
Not sure what happened, I may just try reinstalling windows if nobody has any ideas.