AMD Motherboards - AsRock AB350 Pro4 Bios v4.90 Shared Memory Bug

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AsRock AB350 Pro4 Bios v4.90 Shared Memory Bug

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=9291
Printed Date: 21 Jul 2025 at 9:06am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: AsRock AB350 Pro4 Bios v4.90 Shared Memory Bug

Posted By: TonyC
Subject: AsRock AB350 Pro4 Bios v4.90 Shared Memory Bug
Date Posted: 30 Jul 2018 at 7:57pm

AsRock AB350 Pro4 Bios v4.90 Shared Memory Bug

If I set the shared memory to 32MB, Windows shows it as 7MB.
If I set the shared memory to 64MB, Windows shows it as 40MB.
If I set the shared memory to 128MB, Windows shows it as 112MB.
256MB and 512MB are correct.

CPU = A6-9500
RAM = 2x4GB Samsung 2400 M378A5244CB0-CRC
Windows 10 Pro 1803 17134.167