bios flash issue

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   i have a x470 gaming k4, i am running bios 1.90 right now and noticed that there are several newer ones to be had. i have never been able to find the setting to enable PBO and wanted to update my bios, every time i have tried to do so i get the error that secure flash check fail. i have cleared the bios and used all default settings, tried to remove all my drives, all things that i have found by googling the problem. i downloaded all the different bios from the official sight and none of them will flash for me. tried F6, tried instant flash and still nothing works. is there a problem with these bioses? my machine is running ok as of now, but thats not really the point. I hear all this great stuff about the PBO and i cant even  use it. and i would really like a somewhat more up to date bios. i love this motherboard, but i am starting to second guess my purchase at this point as i have been building comps since the old athlon XP days, and have never had this hard of a time with a bios.

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brian770 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Aug 2019 Location: kentucky Status: Offline Points: 5	Post Options Post Reply Quote brian770 Report Post Thanks(0) Quote Reply Topic: bios flash issue Posted: 04 Aug 2019 at 7:02pm
	i have a x470 gaming k4, i am running bios 1.90 right now and noticed that there are several newer ones to be had. i have never been able to find the setting to enable PBO and wanted to update my bios, every time i have tried to do so i get the error that secure flash check fail. i have cleared the bios and used all default settings, tried to remove all my drives, all things that i have found by googling the problem. i downloaded all the different bios from the official sight and none of them will flash for me. tried F6, tried instant flash and still nothing works. is there a problem with these bioses? my machine is running ok as of now, but thats not really the point. I hear all this great stuff about the PBO and i cant even use it. and i would really like a somewhat more up to date bios. i love this motherboard, but i am starting to second guess my purchase at this point as i have been building comps since the old athlon XP days, and have never had this hard of a time with a bios.

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(0) Quote Reply Posted: 04 Aug 2019 at 8:33pm
	The update problem is strange. Maybe a USB stick problem / VFAT32? Tried another USB port? But if you do not have a Matisse CPU, there is no reason to update higher as 1.90! B]PBO:/B] It would be helpfull to know which CPU you are using. You must have a 2000X CPU for PBO. Meaning, for 2600 or 2700 without "X" PBO is not available. No PBO on X470 board: http://forum.asrock.com/forum_posts.asp?TID=11885&KW=PBO&PID=65303&title=x470-taichi-bios-343-where-is-pbo#65303
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

brian770 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Aug 2019 Location: kentucky Status: Offline Points: 5	Post Options Post Reply Quote brian770 Report Post Thanks(0) Quote Reply Posted: 05 Aug 2019 at 12:41am
	i am using a 2600 non X cpu. getting ready to install a 3800X and that is why i am updating the bios in advance. i have tried all of the usb ports both on the motherboard and up front. i am getting a new usb stick today and will see if that helps. the secure flash failed is a very common problem, i have found hundreds of cases of it happening online.

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(0) Quote Reply Posted: 05 Aug 2019 at 4:16am
	Advanced\CPU Configuration\AMD fTPM switch must be disabled for a bios update, i guess. https://superuser.com/questions/1411061/amd-ftpm-what-does-this-firmware-option-do
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

Ray62 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 01 Jul 2018 Location: Germany, Berlin Status: Offline Points: 706	Post Options Post Reply Quote Ray62 Report Post Thanks(0) Quote Reply Posted: 05 Aug 2019 at 4:21am
	And here is another thread with this update problem: http://forum.asrock.com/forum_posts.asp?TID=5485&PN=2&title=secure-flash-check-failed
	Asrock Fatal1ty X370 Professional Gaming Offline Under test: MSI X570_MEG_ACE \| AMD Ryzen 9 3900X \| Scythe Mugen5 \| 2x16GB F4-3200C14D-32GTZ@3466 \| ASUS GeForce GTX 1080 Ti FE

brian770 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Aug 2019 Location: kentucky Status: Offline Points: 5	Post Options Post Reply Quote brian770 Report Post Thanks(0) Quote Reply Posted: 05 Aug 2019 at 9:27am
	ok, i went out and bought a new thumbdrive, and right away it worked. updated to latest bios and things are working great. thanks for all the help.