X570 Taichi 2.70 UEFI won't post XMP Micron e-die
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=13124
Printed Date: 18 Jul 2025 at 3:36pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: X570 Taichi 2.70 UEFI won't post XMP Micron e-die
Posted By: Synapse
Subject: X570 Taichi 2.70 UEFI won't post XMP Micron e-die
Date Posted: 12 Dec 2019 at 6:53pm
| I have a set of 4 Crucial 3200 (Micron e-die) DIMMs in X570 Taichi with Ryzen 7 3800X. The memory works great with 2.10 UEFI at its stock 3200 XMP and even OC at 3600MT/s (1800Mhz 1:1 with IF). But after upgrading UEFI from 2.10 to the recent 2.70 the system won't post with anything but 2400MT/s JEDEC spec. I rolled back to 2.10, and the memory works again. Interestingly, my other set of 4 Samsung b-die sticks works fine at 3600MT/s with the new 2.70 UEFI. |
Replies:
Posted By: gizmic
Date Posted: 12 Dec 2019 at 6:59pm
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could be related to VDDP locked at 0.6999V when set to 3600+ i'm just having a wild guess here ------------- 
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Posted By: Synapse
Date Posted: 13 Dec 2019 at 5:25am
| Yeah, it needs 0.8v to post and 0.9v to run stable. Thanks for the tip. I straight used the same settings that were stable on 2.10 and it wouldn't post, so I booted with 2400 and rolled back. |
Posted By: gizmic
Date Posted: 13 Dec 2019 at 11:14am
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if you can live without the update just stay there until they fix it or use 3533 on the new bios -------------
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Posted By: Synapse
Date Posted: 13 Dec 2019 at 4:04pm
| I gave it another try, and it works now for some reason. It was not able to properly load my profiles I saved with 2.10 this time around. But selecting XMP with everything else on default worked. VDDP is 0.92v on Auto. I had to re-enter all my settings manually, but it can now boot into Windows at 3733 with VDDP set to 0.93v. |