Fatal1ty AB350 ITX/ac latest BIOS 4.50 issues

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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

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Ironnose Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Mar 2018 Status: Offline Points: 4	Post Options Post Reply Quote Ironnose Report Post Thanks(0) Quote Reply Topic: Fatal1ty AB350 ITX/ac latest BIOS 4.50 issues Posted: 08 Mar 2018 at 4:19pm
	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

Ironnose Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Mar 2018 Status: Offline Points: 4	Post Options Post Reply Quote Ironnose Report Post Thanks(0) Quote Reply Posted: 09 Mar 2018 at 3:09pm
	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.