B450M Pro4 - BIOS update query
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=17966
Printed Date: 09 Aug 2025 at 3:17pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450M Pro4 - BIOS update query
Posted By: user81
Subject: B450M Pro4 - BIOS update query
Date Posted: 31 Jan 2021 at 11:36am
Hi,
I refer to the page where BIOS is available for downloads for this board.
It says for example for BIOS v 3.9
[URL=http://www.asrock.com/mb/AMD/B450M%20Pro4/index.asp#BIOS]http://www.asrock.com/mb/AMD/B450M%20Pro4/index.asp#BIOS[/URL]
*ASRock do NOT recommend updating this BIOS if Pinnacle, Raven or Summit Ridge CPU is being used on your system.
What is the technical significance of this statement?
Does it mean that if I have one of these types of AMD CPU, after update it will not detect the CPU at all?
What if the new board ships with this or higher BIOS and I have bought one of these types of AMD CPU? Will I have then an unbootable system?
Thanks.
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Replies:
Posted By: muziqaz
Date Posted: 01 Feb 2021 at 3:47pm
Personally I do not believe motherboard will ship with BIOS which does not support initially advertised CPUs. At least I hope they won't, otherwise that would be a major disaster and support PITA.
An, yes, I believe if motherboard shipped with newest BIOS older CPUs would not boot with it (I might be wrong on this)
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folding@home
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Posted By: muziqaz
Date Posted: 01 Feb 2021 at 3:51pm
However, their CPU support page shows that most of those "Ridge" CPUs are supported by latest BIOS. This is extremely confusing and misleading :/
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folding@home
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Posted By: user81
Date Posted: 02 Feb 2021 at 2:10am
That's why I thought if forum members might be knowing what the facts are!
I have asked Asrock Tech support. Let's see if they have any response.
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