diff --git a/README.md b/README.md
index 310e319..ba54565 100644
--- a/README.md
+++ b/README.md
@@ -69,8 +69,9 @@ To create a VM in VirtualBox:
 12. Move the HOS.vmdk file generated to the HOS VirtualBox folder.
 13. In VirtualBox Manager, open HOS VM settings.
 14. Under System, check the Enable EFI checkbox.
-15. Under Storage, add a hard disk and browse to select the HOS.vmdk file.
-16. To run HOS, either start the VM through VirtualBox or with "./rscons run-vb".
+15. Under System, change the Chipset to ICH9.
+16. Under Storage, add a hard disk and browse to select the HOS.vmdk file.
+17. To run HOS, either start the VM through VirtualBox or with "./rscons run-vb".
 
 ## QEMU