bios flash issue
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=12096
Printed Date: 19 Jul 2025 at 10:54am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: bios flash issue
Posted By: brian770
Subject: bios flash issue
Date Posted: 04 Aug 2019 at 7:02pm
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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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Replies:
Posted By: Ray62
Date 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
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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
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Posted By: brian770
Date 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.
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Posted By: Ray62
Date 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
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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
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Posted By: Ray62
Date 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
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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
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Posted By: brian770
Date Posted: 05 Aug 2019 at 9:27am
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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.
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