Update on AM5 ECC Support
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=26925
Printed Date: 27 Apr 2025 at 9:24pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Update on AM5 ECC Support
Posted By: rokk
Subject: Update on AM5 ECC Support
Date Posted: 27 Oct 2023 at 2:15am
I recently read a post from a user that discovered that his B650E PG Riptide already supported ECC RAM.
There's a https://sunshowers.io/posts/am5-ryzen-7000-ecc-ram/" rel="nofollow - long post about this but the general backstory is that this needed an updated AGESA, and apparently this has already happened, and it's working on his board.
If AGESA was indeed the fix, can we expect to see official ECC support declared somewhere soon?
(I mean real ECC including bus, not just on-die ECC)
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Replies:
Posted By: eccential
Date Posted: 27 Oct 2023 at 5:03pm
As far as I'm concerned, AsRock (marketing? bean counters? who cares?) has made their decision, with not mentioning explicit ECC support with AM5 generation.
That's one of the reasons why I've not purchased a single AM5 board, even though I own ten AsRock (including one AsRockRack) AM4 boards.
As I understand, even on AsRock AM4 boards, the error reporting doesn't work properly unless you're using PRO CPU/APU. Correction works with regular CPU, which is better than nothing. ECC simply doesn't work with regular APU, but that is true for all vendors and has been known forever.
If I'm buying a new board, I'm going for the "SUS" brand, as what I'm reading online says theirs work for both correcting and reporting, when their spec states support, even on non-PRO CPUs. Again, PRO is required for APUs as before.
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Posted By: rokk
Date Posted: 28 Oct 2023 at 3:04am
I also need both correction and reporting to work. The thing is it seems to work unofficially, the blog post I linked above links to a https://forum.asrock.com/forum_posts.asp?TID=24901" rel="nofollow - thread on this forum where the user actually shorted pins and got error reports.
Not good enough for me though, I do need official confirmation...
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Posted By: eccential
Date Posted: 28 Oct 2023 at 4:48am
Agreed. Without official statement, it can stop working after any random BIOS update, and you'd be screwed.
I'm also no longer interested in AsRockRack boards, because their support is like the 10th thought.
The last official BIOS release for my X470D4U is from Aug, 2021, with AGESA 1.2.0.0. Even the last beta BIOS stopped at Jun, 2022 at AGESA 1.2.0.7.
Consumer boards went past that to 8, A, and now at 1.2.0.B. Most of the latter releases contain security fixes, which I'd think is MORE important for AsRockRack boards.
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