m planning a low-power Proxmox build and trying to pre-validate motherboard choice before buying. Planned specs:
If you own one of these (or a close relative), could you please run this and share the output?
for d in /sys/kernel/iommu_groups/*/devices/*; do
n=${d#*/iommu_groups/*}; n=${n%%/*}
printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"
done
What I'm hoping to confirm:
Bonus points if you've actually run TrueNAS with onboard SATA passed through on a consumer B760/B660 board — did it Just Work, or did you need ACS overrides?
Thanks!
- i5-13500T, B760 chipset, DDR4 (reusing 64GB from my current nodes), boot from NVMe
- Goal: pass the entire onboard SATA controller (all ports, not individual disk passthrough) to a TrueNAS Scale VM for ZFS duties
- Later plans: LSI 9300-16i HBA in the secondary slot, and an Intel i340-T4 quad-NIC for NIC passthrough / direct-attached storage links
If you own one of these (or a close relative), could you please run this and share the output?
for d in /sys/kernel/iommu_groups/*/devices/*; do
n=${d#*/iommu_groups/*}; n=${n%%/*}
printf 'IOMMU group %s ' "$n"; lspci -nns "${d##*/}"
done
What I'm hoping to confirm:
- Is the 00:17.0 SATA AHCI controller in its own IOMMU group (or grouped only with its root port/dummy bridge)?
- Is it cleanly separable from the onboard 2.5GbE NIC and the USB controllers?
- Does the board's secondary PCIe slot (chipset x4 or x16-size) land in its own group — for the HBA and i340-T4?
- Any BIOS quirks worth knowing — VT-d settings, ACS options, Resizable BAR, anything that affected passthrough behavior?
Bonus points if you've actually run TrueNAS with onboard SATA passed through on a consumer B760/B660 board — did it Just Work, or did you need ACS overrides?
Thanks!
