Problems with XMP on Asrock z390 Phantom 6
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=16427
Printed Date: 02 Aug 2025 at 12:58pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Problems with XMP on Asrock z390 Phantom 6
Posted By: tahlaskerssen
Subject: Problems with XMP on Asrock z390 Phantom 6
Date Posted: 27 Sep 2020 at 11:10pm
So I recently bought a pair of 16gb RAM sticks of Kingston Hyperx, which run at 3200 from stock XMP certified. My PSU is a Gigabyte 750.
They are both installed in A2 and B2.
I enabled the XMP and for 1 day everything was going fine, literally 24hs with the computer active. (mostly google chrome, visual studio and some other stuff, not too heavy).
Fast forward 1 day later, I have my stuff opened and I launch a game. Computer completely freezes like a statue when I go inside the game past the menu. Restart, re launch the game, froze on main menu after like 5' of stand by. 3rd time froze even before going full window, on the loading screen. (between each try I tried putting the voltage up a bit, from 1.35 to not more than 1.38. It did seem to provide more stability, but it ended up freezing nonetheless.
Then, I manually put down the ram from 3200 to 3066 mhz, left the computer on with a lot of stuff opened including the game and went to sleep. Woke up, and everything was working perfectly.
So I started googling and read that Asrock is known to have XMP issues with 3200 ram?
I read about having to turn down VCCSA and VCCIO values.. But i would like some better assistance on what to do.
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Replies:
Posted By: ASRock_TSD
Date Posted: 28 Sep 2020 at 10:09am
Dear Tahlaskerseen,
Thanks for posting your query.
Regarding your question, kindly contact the ASRock technical support for further assistance.
When filling out the form from the link below, please provide the BIOS version and memory module part numbers.
https://event.asrock.com/tsd.asp
With thanks,
ASRock TSD
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