Intel Motherboards - Asrock Z390 Extreme4 unstable work with 9900K

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Asrock Z390 Extreme4 unstable work with 9900K

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=14824
Printed Date: 03 Aug 2025 at 1:22am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Asrock Z390 Extreme4 unstable work with 9900K

Posted By: devd
Subject: Asrock Z390 Extreme4 unstable work with 9900K
Date 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.