Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ra9315539f527b92523b1598ff91e47db4d71dae2 -r33bcd0fcd7a3bba5f85a7e35ac63aadbe4e91671
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision a9315539f527b92523b1598ff91e47db4d71dae2)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 33bcd0fcd7a3bba5f85a7e35ac63aadbe4e91671)
@@ -20,6 +20,7 @@
 #include "reg_system.h"
 
 #include "Accel.h"
+#include "Compatible.h"
 #include "ConcentratePumps.h"
 #include "ConductivitySensors.h"
 #include "Fans.h"
@@ -453,6 +454,7 @@
     payload.minor = (U08)DG_VERSION_MINOR;
     payload.micro = (U08)DG_VERSION_MICRO;
     payload.build = (U16)DG_VERSION_BUILD;
+    payload.compatibilityRev = (U32)SW_COMPATIBILITY_REV;
     getFPGAVersions( &payload.fpgaId, &payload.fpgaMajor, &payload.fpgaMinor, &payload.fpgaLab );
 
     // create a message record
@@ -3378,4 +3380,36 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, status );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestHDCommunicationStatusOverrideRequest function handles a request 
+ * request to override the HD Communication Status.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestHDCommunicationStatusOverrideRequest(MESSAGE_T *message)
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetHDCommunicationStatus(payload.state.u32);
+        }
+        else
+        {
+            result = testResetHDCommuncationStatus();
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/