diff --git a/Linux/Guides/GPU Passthrough/Linux Host Setup.md b/Linux/Guides/GPU Passthrough/Linux Host Setup.md
index 76faa69..efbd208 100644
--- a/Linux/Guides/GPU Passthrough/Linux Host Setup.md	
+++ b/Linux/Guides/GPU Passthrough/Linux Host Setup.md	
@@ -2,6 +2,8 @@
 
 ## Enable IOMMU
 
+### GRUB
+
 ```bash
 sudo vim /etc/default/grub
 ```
@@ -15,6 +17,16 @@ sudo grub-mkconfig -o /boot/grub/grub.cfg
 sudo reboot
 ```
 
+### rEFInd
+
+```bash
+sudo vim /boot/refind_linux.conf
+```
+
+```
+"Boot with standard options"  "root=UUID=xxx rw quiet splash amd_iommu=on iommu=pt"
+```
+
 Verify
 
 ```bash