It’s not perfect (only two SATA ports is a bit rubbish for example) but this board has been working out well for my first VFIO build.
This is with BIOS 1.28 (1.18 was identical) but groups were largely the same and passthrough was working fine with 1.11 too:
# ./iommu-groups.sh
IOMMU Group 0:
00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14da]
IOMMU Group 1:
00:01.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14db]
IOMMU Group 2:
00:01.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14db]
IOMMU Group 3:
00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14da]
IOMMU Group 4:
00:02.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14db]
IOMMU Group 5:
00:02.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14db]
IOMMU Group 6:
00:03.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14da]
IOMMU Group 7:
00:04.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14da]
IOMMU Group 8:
00:08.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14da]
IOMMU Group 9:
00:08.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14dd]
IOMMU Group 10:
00:08.3 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:14dd]
IOMMU Group 11:
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 71)
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:790e] (rev 51)
IOMMU Group 12:
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e0]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e1]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e2]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e3]
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e4]
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e5]
00:18.6 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e6]
00:18.7 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:14e7]
IOMMU Group 13:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP106 [GeForce GTX 1060 3GB] [10de:1c02] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation GP106 High Definition Audio Controller [10de:10f1] (rev a1)
IOMMU Group 14:
02:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Upstream Port of PCI Express Switch [1002:1478] (rev c7)
IOMMU Group 15:
03:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Downstream Port of PCI Express Switch [1002:1479]
IOMMU Group 16:
04:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 24 [Radeon RX 6400/6500 XT/6500M] [1002:743f] (rev c7)
IOMMU Group 17:
04:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 21/23 HDMI/DP Audio Controller [1002:ab28]
IOMMU Group 18:
05:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f4] (rev 01)
IOMMU Group 19:
06:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 20:
06:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 21:
06:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8125 2.5GbE Controller [10ec:8125] (rev 05)
IOMMU Group 22:
06:07.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 23:
06:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
IOMMU Group 24:
06:0c.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
0c:00.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f7] (rev 01)
IOMMU Group 25:
06:0d.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f5] (rev 01)
0d:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] Device [1022:43f6] (rev 01)
IOMMU Group 26:
0e:00.0 Non-Volatile memory controller [0108]: Seagate Technology PLC FireCuda 530 SSD [1bb1:5018] (rev 01)
IOMMU Group 27:
0f:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Raphael [1002:164e] (rev c1)
IOMMU Group 28:
0f:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Rembrandt Radeon High Definition Audio Controller [1002:1640]
IOMMU Group 29:
0f:00.2 Encryption controller [1080]: Advanced Micro Devices, Inc. [AMD] VanGogh PSP/CCP [1022:1649]
IOMMU Group 30:
0f:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:15b6]
IOMMU Group 31:
0f:00.4 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:15b7]
IOMMU Group 32:
0f:00.6 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Family 17h/19h HD Audio Controller [1022:15e3]
IOMMU Group 33:
10:00.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:15b8]
Practically speaking for the absurd number of USB ports, group #30 is the single USB-C port next to the ethernet port, group #31 is for the “lightning gaming” port nearest the edge and the single USB-B next to the ethernet and group #24 is for all the rest. Happily this works out pretty well for me. Group #33 is new since 1.11 and I haven’t found related ports but adding it to a VM is a good way to immediately reboot the host!
Previous BIOS versions weren’t running stable with my RAM using the 6000 EXPO profile but 1.18 has given me no bother with that.