Index: firmware/App/DGCommon.h
===================================================================
diff -u -r0a040a300ce592c2a7cfc095d20f6ddc31036a54 -rfa8082956bc1d94cdd7b2375053a4f35e3159f43
--- firmware/App/DGCommon.h	(.../DGCommon.h)	(revision 0a040a300ce592c2a7cfc095d20f6ddc31036a54)
+++ firmware/App/DGCommon.h	(.../DGCommon.h)	(revision fa8082956bc1d94cdd7b2375053a4f35e3159f43)
@@ -90,6 +90,7 @@
     U08 fpgaMajor;                          ///< DG FPGA major revision
     U08 fpgaMinor;                          ///< DG FPGA minor revision
     U08 fpgaLab;                            ///< DG FPGA lab revision
+    U32 compatibilityRev;                   ///< DG compatibility revision
 } DG_VERSIONS_T;
 #pragma pack(pop)