ASRock Forums : Asrock Z390 Extreme4 unstable work with 9900K https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sun, 05 Apr 2026 11:19:58 +0000 Tue, 30 Jun 2020 00:13:59 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=14824 <![CDATA[ASRock Forums]]> https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ <![CDATA[Asrock Z390 Extreme4 unstable work with 9900K : Asrock Z390 Extreme4 unstable...]]> https://forum.asrock.com/forum_posts.asp?TID=14824&PID=76870&title=asrock-z390-extreme4-unstable-work-with-9900k#76870 Author: devd
Subject: 14824
Posted: 30 Jun 2020 at 12:13am

Asrock Z390 Extreme4 unstable work with 9900K CPU.

I installed Ubuntu 20.04 LTS (5.4.0-39 kernel).
The system freezes or reboots periodically.

Hardware:
CPU: Intel(R) Core(TM) i9-9900K
Memory: 4x16 Kingston HyperX Fury DDR4 3200 ??? KHX3200C16D4/16GX
Power water cooling: less than 50 degrees on CPU.

BIOS updated to 4.30 (no changes)

Intel Hyper Threading disabled.
Intel Turbo Boost enabled.
MultiCore Enhancement enabled.
CPU C3,C6,C7,C10 States disabled.

Memory tests passed successfully.
]]> Tue, 30 Jun 2020 00:13:59 +0000 https://forum.asrock.com/forum_posts.asp?TID=14824&PID=76870&title=asrock-z390-extreme4-unstable-work-with-9900k#76870