Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -r5c53288436774f0cf6a24132ace29a64a66d619d -ree2c6d43842ce285da87c6568198b790d2ab81b4
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision 5c53288436774f0cf6a24132ace29a64a66d619d)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision ee2c6d43842ce285da87c6568198b790d2ab81b4)
@@ -227,8 +227,9 @@
     U16 fpgaHeaterGNDADC;                   ///< Reg 466. Heater ground ADC
     U08 fpgaHeater1ADCReadCount;            ///< Reg 468. Heater 1 ADC read count
     U08 fpgaHeater1ADCErrorCount;           ///< Reg 469. Heater 1 ADC error count
-    U16 fpgaPowerSupply2;                   ///< Reg 470. power supply 2 count
-    U16 fpgaOnBoardThermistor;              ///< Reg 472. onboard thermistor
+    U16 fpgaPowerSupply2;                   ///< Reg 470. Power supply 2 count
+    U16 fpgaOnBoardThermistor;              ///< Reg 472. Onboard thermistor
+    U16 fpgaCompatibilityRev;               ///< Reg 474. Compatibility revision
 } DG_FPGA_SENSORS_T;
 
 typedef struct