Trying to Find BIOS Update

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   For anyone still looking for a solution to this, you can follow the directions in this reddit thread: https://www.reddit.com/r/CYBERPOWERPC/comments/mg3dr2/b450m_gaming_asrock_motherboard_bios_update/

 Download the latest BIOS from Asrock. The current version at this moment is 3.1. I got it from Asrock's site here: https://download.asrock.com/BIOS/AM4/B450Mac(3.10)ROM.zip Unzip it and you should have a file named B45MAC3.10.

Download Flashtools, and extract the files. Hope this link works: https://winraid.level1techs.com/uploads/short-url/va37vhVWHQoiGJhqnfQgkkkKfq0.rar)

The flashtools download includes the portable Rufus app. Use that to make a bootable FreeDOS USB drive

There are two files that came with the Flashtools download above (flashrom.exe and CWSDPMI.EXE). Copy those two files to the now bootable USB drive.

Copy the ROM file you downloaded from Asrock (in my case it was B45MAC3.10) to the USB drive

You should now have a bootable USB flash drive with FreeDOS on it, as well as the two flashtool files and the BIOS ROM file on it.

Boot into the USB drive

Once FreeDOS loads up, type flashrom -p internal -w B45MAC3.10 (change the "B45MAC3.10" to the name of your BIOS file if it is different)

You now have a de-Cyberpowered motherboard. It will load up as an Asrock board now, and you'll lose the Cyberpower boot up logo. But you will have new features, as well as the ability to make use of the latest AM4 CPUs!!!!!