Fatal1ty AB350 ITX/ac latest BIOS 4.50 issues
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=7978
Printed Date: 19 Jul 2025 at 2:14pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Fatal1ty AB350 ITX/ac latest BIOS 4.50 issues
Posted By: Ironnose
Subject: Fatal1ty AB350 ITX/ac latest BIOS 4.50 issues
Date Posted: 08 Mar 2018 at 4:19pm
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Dear Asrock Team, i found several issues in latest Fatal1ty AB350 Gaming-ITX/ac BIOS 4.50 with Ryzen 7 1800x. The following functions are not working: 1. "CSM disable" or "Fast boot enabled" will cause "no screen" issue and need to use CLR CMOS Jumper to bring the board back to work. Looks like CSM need to be always "enabled" and means legacy + UEFI mode only and no "pure" UEFI mode! 2. Since BIOS 4.50 "no SATA / PCIe SSD / HDD / ODD" will be detected in the Storage configuration page > no device shown! Configuration: Fatal1ty AB350 Gaming-ITX/ac with BIOS 4.50 Ryzen 7 1800x Hyper X 2666MHz 2x 8GB Memory GTX1080 8GB Founders Edition PCIe SSD 512GB Samsung PM961 WD 4TB HDD Bequiet PSU 750W |
Replies:
Posted By: Ironnose
Date Posted: 09 Mar 2018 at 3:09pm
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This issue also occurs on Z370 Killer SLI with BIOS 4.60! Looks like Asrock will not test "enable" & disable all different functions before release a new BIOS :)! The Core BIOS is all the same on all Ryzen Motherboards. This issue should also happened on other Ryzen Motherboards as well.
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