AMD Motherboards - beware bios 5.70

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beware bios 5.70 - fatality k4 ab350

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=11701
Printed Date: 28 Jul 2025 at 10:47am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: beware bios 5.70 - fatality k4 ab350

Posted By: isthisreallife
Subject: beware bios 5.70 - fatality k4 ab350
Date Posted: 20 Jun 2019 at 3:49pm

just posting this thread to help anyone who runs into the same issue because it was driving me crazy. something about AGESA 0.0.7.2/bios 5.70 really messed up my machine... it would still boot fine but fans were running crazy and i would get poor performance in games.

i was thankfully able to fix it by forcing a downgrade back to bios 5.40, even though you physically can't do it via usb instant flash.

major thanks to this thread for helping me figure how to use afuwin - http://forum.asrock.com/forum_posts.asp?TID=11230&title=b450-fatality-itx-bios-310-broken

my specs-

ryzen 7 1800x
2x 8gb ddr4 3200
samsung m2
gtx 1060

Replies:

Posted By: BeneficialClam
Date Posted: 28 Jun 2019 at 1:09pm

Thank you! Somebody else with the same problem as me! AsRock support was abysmal.