B450M Pro4 - BIOS update query

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   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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user81 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 27 Jan 2021 Location: India Status: Offline Points: 345	Post Options Post Reply Quote user81 Report Post Thanks(0) Quote Reply Topic: B450M Pro4 - BIOS update query 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.

muziqaz Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 04 Jan 2021 Location: London Status: Offline Points: 590	Post Options Post Reply Quote muziqaz Report Post Thanks(0) Quote Reply 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)
	folding@home

muziqaz Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 04 Jan 2021 Location: London Status: Offline Points: 590	Post Options Post Reply Quote muziqaz Report Post Thanks(0) Quote Reply 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 :/
	folding@home

user81 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 27 Jan 2021 Location: India Status: Offline Points: 345	Post Options Post Reply Quote user81 Report Post Thanks(0) Quote Reply 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.