diff --git a/bsp_q7s/core/CoreController.cpp b/bsp_q7s/core/CoreController.cpp
index f9242da3..9e285c4f 100644
--- a/bsp_q7s/core/CoreController.cpp
+++ b/bsp_q7s/core/CoreController.cpp
@@ -190,12 +190,14 @@ ReturnValue_t CoreController::initialize() {
     sif::warning << "Subscribing for GPS GPS_FIX_CHANGE event failed" << std::endl;
   }
 
-  UioMapper sysRomMapper(q7s::UIO_SYS_ROM);
-  result = sysRomMapper.getMappedAdress(&mappedSysRomAddr, UioMapper::Permissions::READ_ONLY);
-  if (result != returnvalue::OK) {
-    // TODO: This might be a reason to switch to another image..
-    sif::error << "Getting mapped SYS ROM UIO address failed" << std::endl;
-    return ObjectManager::CHILD_INIT_FAILED;
+  if (common::OBSW_VERSION_MAJOR >= 6 or common::OBSW_VERSION_MAJOR == 4) {
+    UioMapper sysRomMapper(q7s::UIO_SYS_ROM);
+    result = sysRomMapper.getMappedAdress(&mappedSysRomAddr, UioMapper::Permissions::READ_ONLY);
+    if (result != returnvalue::OK) {
+      // TODO: This might be a reason to switch to another image..
+      sif::error << "Getting mapped SYS ROM UIO address failed" << std::endl;
+      return ObjectManager::CHILD_INIT_FAILED;
+    }
   }
   return returnvalue::OK;
 }
@@ -2518,10 +2520,13 @@ void CoreController::announceVersionInfo() {
   }
 
   triggerEvent(VERSION_INFO, p1, p2);
-  if (mappedSysRomAddr != nullptr) {
-    uint32_t p1Firmware = *(reinterpret_cast<uint32_t *>(mappedSysRomAddr));
-    uint32_t p2Firmware = *(reinterpret_cast<uint32_t *>(mappedSysRomAddr) + 1);
-    triggerEvent(FIRMWARE_INFO, p1Firmware, p2Firmware);
+
+  if (common::OBSW_VERSION_MAJOR >= 6 or common::OBSW_VERSION_MAJOR == 4) {
+    if (mappedSysRomAddr != nullptr) {
+      uint32_t p1Firmware = *(reinterpret_cast<uint32_t *>(mappedSysRomAddr));
+      uint32_t p2Firmware = *(reinterpret_cast<uint32_t *>(mappedSysRomAddr) + 1);
+      triggerEvent(FIRMWARE_INFO, p1Firmware, p2Firmware);
+    }
   }
 }