Index: firmware/App/Drivers/InternalADC.c
===================================================================
diff -u -r380b0afc95467d0861ff3aa2cdcde5d5d7ac85e7 -r8cbddbe34a4ffed5a4d9fac07a065799c5862611
--- firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 380b0afc95467d0861ff3aa2cdcde5d5d7ac85e7)
+++ firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 8cbddbe34a4ffed5a4d9fac07a065799c5862611)
@@ -33,14 +33,14 @@
 /// Mapping from enumerated used ADC channel to processor channel ID.
 const INT_ADC_CHANNEL_T ADC_CHANNEL_NUM_TO_CHANNEL_ID[ MAX_ADC_CHANNELS ] =
 {
-    INT_ADC_AVAILABLE_1,                // 0
+    INT_ADC_NOT_USED,                   // 0
     INT_ADC_PS_THERMISTOR,              // 1
     INT_ADC_PBA_ADC_REF,                // 2
     INT_ADC_24V_ACTUATORS_REG,          // 3
     INT_ADC_1_2V_PROCESSOR,             // 4
     INT_ADC_5V_SENSORS,                 // 5
-    INT_ADC_DUMMY,                      // 6
-    INT_ADC_AVAILABLE_2,                // 7
+    INT_ADC_NOT_USED,                   // 6
+    INT_ADC_NOT_USED,                   // 7
     INT_ADC_PRIMARY_ALARM_CURRENT_HG,   // 8
     INT_ADC_NOT_USED,                   // 9
     INT_ADC_BOARD_THERMISTOR,           // 10
@@ -51,23 +51,19 @@
     INT_ADC_NOT_USED,                   // 15
     INT_ADC_BLOOD_PUMP_SPEED,           // 16
     INT_ADC_BLOOD_PUMP_MOTOR_CURRENT,   // 17
-    INT_ADC_AVAILABLE_3,                // 18
-    INT_ADC_AVAILABLE_4,                // 19
+    INT_ADC_BACKUP_V,                   // 18
+    INT_ADC_NOT_USED,                   // 19
     INT_ADC_NOT_USED,                   // 20
     INT_ADC_NOT_USED,                   // 21
     INT_ADC_24V_ACTUATORS,              // 22
-    INT_ADC_NOT_USED_2                  // 23
+    INT_ADC_NOT_USED                    // 23
 };
 
 const F32 ADC_CHANNEL_READ_TO_UNITS[ NUM_OF_INT_ADC_CHANNELS ] =
 {
     0.0,        //     - INT_ADC_NOT_USED
     1.601601,   // RPM - INT_ADC_BLOOD_PUMP_SPEED
     0.003002,   // A   - INT_ADC_BLOOD_PUMP_MOTOR_CURRENT
-    1.601601,   // V   - INT_ADC_AVAILABLE_1
-    0.003002,   // V   - INT_ADC_AVAILABLE_2
-    1.601601,   // V   - INT_ADC_AVAILABLE_3
-    0.003002,   // V   - INT_ADC_AVAILABLE_4
     0.001221,   // V   - INT_ADC_PS_THERMISTOR
     0.001465,   // V   - INT_ADC_REFIN_1
     0.009420,   // V   - INT_ADC_24V_ACTUATORS_REG
@@ -80,7 +76,7 @@
     0.001465,   // V   - INT_ADC_5V_LOGIC
     0.073240,   // mA  - INT_ADC_PRIMARY_ALARM_CURRENT_LG
     0.007106,   // V   - INT_ADC_24V_ACTUATORS
-    0.0,        //     - INT_ADC_NOT_USED_2
+    0.007106,   // V   - INT_ADC_BACKUP_V
     0.000000,   // V   - INT_ADC_DUMMY
 };