diff --git a/src/build/buildpnor/pnorLayoutFSP.xml b/src/build/buildpnor/pnorLayoutFSP.xml
index 39fbe326c79..67fb220ef45 100644
--- a/src/build/buildpnor/pnorLayoutFSP.xml
+++ b/src/build/buildpnor/pnorLayoutFSP.xml
@@ -249,14 +249,6 @@ Layout Description - Used when building an FSP driver
         <side>sideless</side>
         <ecc/>
     </section>
-  <section>
-        <description>OCC Lid (1.125M)</description>
-        <eyeCatch>OCC</eyeCatch>
-        <physicalOffset>0x2AD4000</physicalOffset>
-        <physicalRegionSize>0x120000</physicalRegionSize>
-        <side>sideless</side>
-        <ecc/>
-    </section>
     <section>
         <description>VFRT data for WOF (3MB)</description>
         <!-- We need 266KB per module sort, going to support
diff --git a/src/build/configs/fsprelease.config b/src/build/configs/fsprelease.config
index 75d97efffa1..0d204efd332 100644
--- a/src/build/configs/fsprelease.config
+++ b/src/build/configs/fsprelease.config
@@ -7,7 +7,7 @@ unset ALLOW_MACRONIX_PNOR
 unset INCLUDE_XML_OPPOWERVM
 unset INCLUDE_XML_OPENPOWER
 unset ENABLE_HDAT_IN_HOSTBOOT
-unset START_OCC_DURING_BOOT
+set START_OCC_DURING_BOOT
 unset NO_SBE_UPDATES
 unset BMC_BT_LPC_IPMI
 unset HTMGT
diff --git a/src/build/mkrules/hbfw/img/makefile b/src/build/mkrules/hbfw/img/makefile
index 3835265ba17..5050ac32e7c 100755
--- a/src/build/mkrules/hbfw/img/makefile
+++ b/src/build/mkrules/hbfw/img/makefile
@@ -247,7 +247,11 @@ SBEC_FINAL_IMG = SBEC.bin
 # Decide which PNOR to build
 .if(${FAKEPNOR} == "")
     # Paramemters passed into GEN_PNOR_IMAGE_SCRIPT.
-    GEN_NIMBUS_BIN_FILES = ${NIMBUS}:SBE=${${NIMBUS_SBE_IMG}:P},HCODE=${${NIMBUS_HCODE_IMG}:P},OCC=${${NIMBUS_OCC_IMG}:P},HBD=${${NIMBUS_HBD_IMG}:P}
+    .if(${DEFAULT_PNOR} == 1)
+        GEN_NIMBUS_BIN_FILES = ${NIMBUS}:SBE=${${NIMBUS_SBE_IMG}:P},HCODE=${${NIMBUS_HCODE_IMG}:P},OCC=${${NIMBUS_OCC_IMG}:P},HBD=${${NIMBUS_HBD_IMG}:P}
+    .else
+        GEN_NIMBUS_BIN_FILES = ${NIMBUS}:SBE=${${NIMBUS_SBE_IMG}:P},HCODE=${${NIMBUS_HCODE_IMG}:P},HBD=${${NIMBUS_HBD_IMG}:P}
+    .endif
     #@TODO RTC:163810 - Put SBEC back "--systemBinFile  SBEC=${${SBEC_IMG}:P}"
     SYSTEM_SPECIFIC_PARAMS = --install-all --emit-eccless ${TARGET_TEST:b--test} ${CONFIG_SECUREBOOT:b--secureboot}  \
                              --pnorLayout ${PNOR_LAYOUT} ${CORRUPT_PARAMS} ${HB_STANDALONE:b--hb-standalone} \
@@ -278,7 +282,11 @@ gen_system_specific_images: build_sbe_partitions .PMAKE
 
 HOSTBOOT_DEFAULT_SECTIONS = HBBL=${HBBL_FINAL_IMG},HBB=${HBB_FINAL_IMG},HBI=${HBI_FINAL_IMG},HBRT=${HBRT_FINAL_IMG},TEST=${TEST_FINAL_IMG},TESTRO=${TESTRO_FINAL_IMG},HBEL=${HBEL_FINAL_IMG},GUARD=${GUARD_FINAL_IMG},GLOBAL=${GLOBAL_FINAL_IMG},PAYLOAD=${PAYLOAD_FINAL_IMG},CVPD=${CVPD_FINAL_IMG},MVPD=${MVPD_FINAL_IMG},DJVPD=${DJVPD_FINAL_IMG},RINGOVD=${RINGOVD_FINAL_IMG},SBKT=${SBKT_FINAL_IMG},WOFDATA=${WOFDATA_FINAL_IMG}
 #@TODO RTC:163810 - Put SBEC back "SBEC=${SBEC_FINAL_IMG},"
-NIMBUS_SECT = HBD=${NIMBUS_HBD_FINAL_IMG},SBE=${NIMBUS_SBE_FINAL_IMG},HCODE=${NIMBUS_HCODE_FINAL_IMG},OCC=${NIMBUS_OCC_FINAL_IMG}
+.if(${DEFAULT_PNOR} == 1)
+    NIMBUS_SECT = HBD=${NIMBUS_HBD_FINAL_IMG},SBE=${NIMBUS_SBE_FINAL_IMG},HCODE=${NIMBUS_HCODE_FINAL_IMG},OCC=${NIMBUS_OCC_FINAL_IMG}
+.else
+    NIMBUS_SECT = HBD=${NIMBUS_HBD_FINAL_IMG},SBE=${NIMBUS_SBE_FINAL_IMG},HCODE=${NIMBUS_HCODE_FINAL_IMG}
+.endif
 PNOR_IMG_INFO = \
    nimbus.pnor:${PNOR_LAYOUT}:${NIMBUS_SECT},${HOSTBOOT_DEFAULT_SECTIONS} \
    ${FIPS_PNOR_INFO}
diff --git a/src/usr/runtime/populate_hbruntime.C b/src/usr/runtime/populate_hbruntime.C
index 4be72cce3e0..2a0d57dafce 100644
--- a/src/usr/runtime/populate_hbruntime.C
+++ b/src/usr/runtime/populate_hbruntime.C
@@ -624,37 +624,40 @@ errlHndl_t populate_HbRsvMem(uint64_t i_nodeId)
 #ifdef CONFIG_START_OCC_DURING_BOOT
             ///////////////////////////////////////////////////
             // OCC Common entry
-            TARGETING::Target * l_sys = nullptr;
-            TARGETING::targetService().getTopLevelTarget( l_sys );
-            assert(l_sys != nullptr);
-            uint64_t l_occCommonAddr = l_sys->getAttr
-                <TARGETING::ATTR_OCC_COMMON_AREA_PHYS_ADDR>();
-            l_label = HBRT_RSVD_MEM__OCC_COMMON;
-            l_labelSize = strlen(l_label) + 1;
-
-            // Get a pointer to the next available HDAT HB Rsv Mem entry
-            l_rngPtr = nullptr;
-            l_elog = getNextRhbAddrRange(l_rngPtr);
-            if(l_elog)
+            if( !(TARGETING::is_phyp_load()) )
             {
-                break;
-            }
+                TARGETING::Target * l_sys = nullptr;
+                TARGETING::targetService().getTopLevelTarget( l_sys );
+                assert(l_sys != nullptr);
+                uint64_t l_occCommonAddr = l_sys->getAttr
+                    <TARGETING::ATTR_OCC_COMMON_AREA_PHYS_ADDR>();
+                l_label = HBRT_RSVD_MEM__OCC_COMMON;
+                l_labelSize = strlen(l_label) + 1;
 
-            // Fill in the entry
-            l_rngPtr->hdatRhbRngType =
-                    static_cast<uint8_t>(HDAT::RHB_TYPE_HOMER_OCC);
-            l_rngPtr->hdatRhbRngId = i_nodeId;
-            l_rngPtr->hdatRhbAddrRngStrAddr =
-                    l_occCommonAddr | VmmManager::FORCE_PHYS_ADDR;
-            l_rngPtr->hdatRhbAddrRngEndAddr =
-                    (l_occCommonAddr | VmmManager::FORCE_PHYS_ADDR)
-                        + VMM_OCC_COMMON_SIZE - 1 ;
-            l_rngPtr->hdatRhbLabelSize = l_labelSize;
-            memcpy( l_rngPtr->hdatRhbLabelString,
-                    l_label,
-                    l_labelSize );
+                // Get a pointer to the next available HDAT HB Rsv Mem entry
+                l_rngPtr = nullptr;
+                l_elog = getNextRhbAddrRange(l_rngPtr);
+                if(l_elog)
+                {
+                    break;
+                }
 
-            traceHbRsvMemRange(l_rngPtr);
+                // Fill in the entry
+                l_rngPtr->hdatRhbRngType =
+                        static_cast<uint8_t>(HDAT::RHB_TYPE_HOMER_OCC);
+                l_rngPtr->hdatRhbRngId = i_nodeId;
+                l_rngPtr->hdatRhbAddrRngStrAddr =
+                        l_occCommonAddr | VmmManager::FORCE_PHYS_ADDR;
+                l_rngPtr->hdatRhbAddrRngEndAddr =
+                        (l_occCommonAddr | VmmManager::FORCE_PHYS_ADDR)
+                            + VMM_OCC_COMMON_SIZE - 1 ;
+                l_rngPtr->hdatRhbLabelSize = l_labelSize;
+                memcpy( l_rngPtr->hdatRhbLabelString,
+                        l_label,
+                        l_labelSize );
+
+                traceHbRsvMemRange(l_rngPtr);
+            }
 #endif
         }