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Fatal1ty X399 IOMMU groups

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Friis View Drop Down
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Joined: 18 Feb 2018
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    Posted: 18 Feb 2018 at 10:19pm
Hi

I noticed this very bad IOMMU group:
IOMMU Group 11 01:00.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:43ba] (rev 02)
IOMMU Group 11 01:00.1 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] Device [1022:43b6] (rev 02)
IOMMU Group 11 01:00.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43b1] (rev 02)
IOMMU Group 11 02:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port [1022:43b4] (rev 02)
IOMMU Group 11 02:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port [1022:43b4] (rev 02)
IOMMU Group 11 02:05.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port [1022:43b4] (rev 02)
IOMMU Group 11 02:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port [1022:43b4] (rev 02)
IOMMU Group 11 02:07.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port [1022:43b4] (rev 02)
IOMMU Group 11 03:00.0 Ethernet controller [0200]: Aquantia Corp. AQC107 NBase-T/IEEE 802.3bz Ethernet Controller [AQtion] [1d6a:d107] (rev 02)
IOMMU Group 11 04:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)
IOMMU Group 11 05:00.0 Network controller [0280]: Intel Corporation Device [8086:24fb] (rev 10)
IOMMU Group 11 06:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)

Anyway to fix? split them up with a UEFI update?
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MisterJ View Drop Down
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Joined: 19 Apr 2017
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MisterJ Quote  Post ReplyReply Direct Link To This Post Posted: 19 Feb 2018 at 12:18am
Friis, I know almost nothing about IOMMU and am aware of no one here who is really knowledgeable.  I recommend you open an AMD support ticket and ask them.  Good luck and enjoy, John.

EDIT: Google gets lots of hits on searching
iommu groups in AMD Ryzen



Edited by MisterJ - 19 Feb 2018 at 12:22am
Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD
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