cluster: migration: use back-ticked insecure when referring to the setting

[pve-docs.git] / qm-pci-passthrough.adoc

diff --git a/qm-pci-passthrough.adoc b/qm-pci-passthrough.adoc
index 43b905d2f0b5544d4e5e5430f102cc7a8d438b3c..edaa01f5011945fdf8eb20d03a2469b6df2d9cf0 100644 (file)
--- a/qm-pci-passthrough.adoc
+++ b/qm-pci-passthrough.adoc
@@ -45,7 +45,11 @@ some configuration to enable PCI(e) passthrough.
 
 .IOMMU
 
-The IOMMU has to be activated on the
+First, the IOMMU support has to be enabled in your BIOS/UEFI. Most often, that
+options is named `IOMMU` or `VT-d`, but check the manual for your motherboard
+for the exact option you need to enable.
+
+Then, the IOMMU has to be activated on the
 xref:sysboot_edit_kernel_cmdline[kernel commandline].
 
 The command line parameters are:
@@ -55,12 +59,7 @@ The command line parameters are:
 ----
  intel_iommu=on
 ----
-* for AMD CPUs:
-+
-----
- amd_iommu=on
-----
-
+* for AMD CPUs it should be enabled automatically.
 
 .Kernel Modules