diff --git a/openpower/configs/hostboot/rainier.config b/openpower/configs/hostboot/rainier.config
index c83f776..7d7cbbc 100755
--- a/openpower/configs/hostboot/rainier.config
+++ b/openpower/configs/hostboot/rainier.config
@@ -105,3 +105,6 @@
 
 # Until MCTP/PLDM file access available, load PHyp via the BOOTKERNEL partition
 set LOAD_PHYP_FROM_BOOTKERNEL
+
+# Perform presence detect using EECACHE until all parts of Rainier config are supported in simics
+set EECACHE_PRESENCE_DETECT