Index: firmware/App/Controllers/Voltages.c
===================================================================
diff -u -r0c296cef29037819be204c45a23d4d38a52b2718 -radd22ba5af89b9786b39b19a0d5cf7f14cb7f060
--- firmware/App/Controllers/Voltages.c	(.../Voltages.c)	(revision 0c296cef29037819be204c45a23d4d38a52b2718)
+++ firmware/App/Controllers/Voltages.c	(.../Voltages.c)	(revision add22ba5af89b9786b39b19a0d5cf7f14cb7f060)
@@ -62,13 +62,18 @@
     VOLTAGES_MONITOR_STATE,                                                                 ///< Continuous read sensors state.
     NUM_OF_VOLTAGES_STATES                                                                  ///< Number of voltage monitor states.
 } VOLTAGES_STATE_T;
+
+// Power supply monitoring thresholds
+
+///   The supply ranges are good for +-10% inclusive,
+///   except 1V FPGA requires +/-5% inclusive
 
 /// Maximum voltage/current level for each monitored signal.
 static const F32 MAX_VOLTAGES[ NUM_OF_MONITORED_LINES ] =
 {
     26.4,   // MONITORED_LINE_24V_MAIN
     1.98,   // MONITORED_LINE_1_8V_FPGA
-    1.1,    // MONITORED_LINE_1V_FPGA
+    1.05,   // MONITORED_LINE_1V_FPGA
     3.63,   // MONITORED_LINE_3_3V_SENSORS
     1.98,   // MONITORED_LINE_1_8V_PROC
     5.5,    // MONITORED_LINE_5V_SENSORS
@@ -92,7 +97,7 @@
 {
     21.6,   // MONITORED_LINE_24V_MAIN
     1.62,   // MONITORED_LINE_1_8V_FPGA
-    0.9,    // MONITORED_LINE_1V_FPGA
+    0.95,   // MONITORED_LINE_1V_FPGA
     2.97,   // MONITORED_LINE_3_3V_SENSORS
     1.62,   // MONITORED_LINE_1_8V_PROC
     4.5,    // MONITORED_LINE_5V_SENSORS