B450M PRO4 BIOS Upgrade
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=12081
Printed Date: 29 Jul 2025 at 5:59am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450M PRO4 BIOS Upgrade
Posted By: MattyinTX
Subject: B450M PRO4 BIOS Upgrade
Date Posted: 03 Aug 2019 at 7:31am
I have the board upgraded to 3.4 (this was the latest when I bought). Still having some issues getting memory up to 3200 so I wanted to upgrade to 3.5 to see if that would help. Downloaded and extracted to same drive I used for 3.4 (I wiped the drive first) and it is FAT32. When I go into the Instant Flash I get the "No image file detected" message.
Not sure what has changed (and I did do the driver install it recommended as well). Any idea on what the issue might be?
Thanks,
Matt
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Replies:
Posted By: MattyinTX
Date Posted: 03 Aug 2019 at 10:20am
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Little more info. I put the old BIOS back on the same drive and it can see that but not the new one (which is also on there as well). It's weird. It will see 3.40 but not 3.50. Not sure why but at least I know it is reading the drive.
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Posted By: Ray62
Date Posted: 03 Aug 2019 at 2:48pm
Yes it's weird. Both bios files are in the root?
And too little infos, what CPU and RAM is used?
Maybe the bios decides not to update to the newer version because you are not using a Matisse CPU...(ok, that's more a joke).
If you do not have a Matisse CPU, the bios versions beginning with AMD AGESA Combo-AM4 1.0.0.1 are a waste of time!
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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: MattyinTX
Date Posted: 04 Aug 2019 at 8:25am
I re-downloaded the bios files and this time it worked. Assuming the initial file was somehow corrupted.
Running Ryzen 5 3600 and happy to report that I can now set my memory speed properly as well and the system is stable. First AMD for me and I am thrilled with the performance.
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