Fatal1ty B450 Gaming-ITX/ac - no CSM Video OpROM

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   Dear Leungwh,
Thank you for the posting.

The 'Launch Video OpROM Policy" is default as "Legacy Only" when the "CSM" is enabled.

For this case, could you please provide the whole system configuration(CPU, GPU, BIOS, DRAM) for us?

Thank you,

Best wishes,
ASRock TSD

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8937	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: Fatal1ty B450 Gaming-ITX/ac - no CSM Video OpROM Posted: 09 Nov 2021 at 3:17pm
	Dear Leungwh, Thank you for the posting. The 'Launch Video OpROM Policy" is default as "Legacy Only" when the "CSM" is enabled. For this case, could you please provide the whole system configuration(CPU, GPU, BIOS, DRAM) for us? Thank you, Best wishes, ASRock TSD

leungwh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Nov 2021 Status: Offline Points: 35	Post Options Post Reply Quote leungwh Report Post Thanks(0) Quote Reply Posted: 08 Nov 2021 at 12:04pm
	Nope, I'm afraid this CSM option has been removed since BIOS version 3.xx * Launch Video OpROM Policy Maybe it still exist in ancient BIOS version 1.70 or before, but those versions are too old to be practical anymore. You cannot rollback to BIOS 1.xx once you have upgraded to 3.xx anyway. There are only two options in BIOS 3.xx or 4.xx CSM menu * Launch PXE OpROM Policy * Launch Storage OpROM Policy Trust me, I tried, without "Launch Video OpROM Policy" option in CSM set to legacy. non-UEFI graphics card won't boot up.

kerberos_20 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 06 Dec 2017 Location: czech republic Status: Offline Points: 3687	Post Options Post Reply Quote kerberos_20 Report Post Thanks(0) Quote Reply Posted: 08 Nov 2021 at 5:47am
	when you enable CSM, then CSM fallback gets enabled for hardware which doesnt support UEFI, gpu is included load optional oproms should be around there aswell
	userbenchmark

leungwh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Nov 2021 Status: Offline Points: 35	Post Options Post Reply Quote leungwh Report Post Thanks(0) Quote Reply Posted: 07 Nov 2021 at 6:13pm
	Not sure if ASRock technical support reading these threads. Can we reintroduce CSM Video OpROM Policy into Fatal1ty B450 Gaming-ITX/ac BIOS? Seems it have been removed since BIOS version 3.xx Graphic Cards are too expensive these days. Many folks (like me) need to resort to legacy non-UEFI graphic card as a stop gap solution. And those cards won't be able to boot up with out CSM Video OpROM Policy enabled.