AMD Motherboards - New BIOS(1001a) remove IOMMU & FPU(x87)?

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New BIOS(1001a) remove IOMMU & FPU(x87)?

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=8650
Printed Date: 19 Jul 2025 at 7:34am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: New BIOS(1001a) remove IOMMU & FPU(x87)?

Posted By: RyuzenFX
Subject: New BIOS(1001a) remove IOMMU & FPU(x87)?
Date Posted: 10 May 2018 at 8:51am

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New BIOS(PinnaclePI-AM4_1.0.0.1a) Remove "AMD IOMMU device" & "Numeric data processor"?

"AMD IOMMU device"(IOMMU enable or auto in bios) & "Numeric data processor" missing in device manager.

>Virtualization Based Security and DMA Protection, but DMA Protection need mobo have IOMMU.

Win10 1803 use Virtualization Based Security(Core Isolation) for default.

>Numeric data processor missing

SSE execution unit emulate?

Windows 10 x64 1803 17134.48

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_Dragon
Ry(u)zen 1700 / AB350 Pro4