diff --git a/openpower/configs/hostboot/palmetto.config b/openpower/configs/hostboot/palmetto.config
index d23c96e..0d8ce18 100755
--- a/openpower/configs/hostboot/palmetto.config
+++ b/openpower/configs/hostboot/palmetto.config
@@ -1,10 +1,15 @@
-# The Serial Flash Controller is the AST2400 BMC.
-set   SFC_IS_AST2400
-set   BMC_DOES_SFC_INIT
+# Use IPMIDD for PNOR
+unset SFC_IS_AST2400
+set PNORDD_IS_IPMI
+unset PNORDD_IS_SFC
+unset BMC_DOES_SFC_INIT
 unset SFC_IS_IBM_DPSS
 set   ALLOW_MICRON_PNOR
 set   ALLOW_MACRONIX_PNOR
 
+#PNOR flags
+unset PNOR_TWO_SIDE_SUPPORT
+
 # VPD options.
 set MVPD_READ_FROM_HW
 set MVPD_WRITE_TO_HW