diff --git a/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf b/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
index 38fb811..ab79b52 100644
--- a/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
+++ b/meta-asrock/meta-e3c246d4i/conf/machine/e3c246d4i.conf
@@ -8,6 +8,11 @@
 require conf/machine/include/ast2500.inc
 require conf/machine/include/obmc-bsp-common.inc
 
+# This is necessary for the host to boot properly -- without it, the ast2500
+# Super-IO is left enabled (SCU70[20]=0), which causes the host boot sequence
+# to hang during POST.
+require conf/distro/include/phosphor-isolation.inc
+
 PREFERRED_PROVIDER_virtual/obmc-flash-mgmt = "packagegroup-asrock-apps"
 PREFERRED_PROVIDER_virtual/obmc-system-mgmt = "packagegroup-asrock-apps"