Index: firmware/App/Modes/ModeInitPOST.c
===================================================================
diff -u -r61716bc97ecca8af1ec560333844a8cf602eccb0 -r626d9aabbab7db936cc0b2df47417db3692305d1
--- firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 61716bc97ecca8af1ec560333844a8cf602eccb0)
+++ firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 626d9aabbab7db936cc0b2df47417db3692305d1)
@@ -53,6 +53,9 @@
 /// Maximum wait time for UI to send its final POST result.
 #define POST_UI_MAX_WAIT_TIME       ( 2 * MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 
+/// Reserved (manually) memory for saved processor reset reason code.
+#define RESET_REASON_CODE_SAVE      (*(volatile uint32 *)0x0802FFFCU)
+
 // ********** private data **********
 
 static HD_POST_STATE_T postState;                               ///< Current state of initialize and POST mode.
@@ -71,6 +74,8 @@
 static DG_VERSIONS_T dgVersion = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }; ///< Version and compatibility information reported by DG.
 static U32 startPOSTDelayCounter = 0;                           ///< Start POST delay counter.
 
+extern U32 savedResetReasonCode;                                ///< Saved reset reason code from sys_startup.c.
+
 // ********** private function prototypes **********
 
 static HD_POST_STATE_T handlePOSTStatus( SELF_TEST_STATUS_T testStatus );
@@ -431,12 +436,15 @@
     // when the event data can be sent
     if ( ++startPOSTDelayCounter > START_POST_DELAY_COUNT )
     {
+        U32 resetReason = RESET_REASON_CODE_SAVE | systemREG1->SYSESR;
+
+        systemREG1->SYSESR = systemREG1->SYSESR;                                             // clear reset bit(s) after logging event so subsequent resets can be properly identified as not being power-on resets.
+
         sendUIVersionRequest();
 
         // Send the startup event
-        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_STARTUP, systemREG1->SYSESR, systemREG1->GBLSTAT )     // log startup event w/ reset reason(s) bits
-        systemREG1->SYSESR &= ~((U32)0x00008000);                                                   // clear power-on reset bit after logging event so subsequent resets can be properly identified as not being power-on resets.
-        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_STARTUP, systemREG1->DEV, 0x12345678 )                 // log startup event w/ device ID bits
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_STARTUP, resetReason, systemREG1->GBLSTAT )     // log startup event w/ reset reason(s) bits
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_STARTUP, systemREG1->DEV, 0x12345678 )          // log startup event w/ device ID bits
         // Send the first submode change event. It is the mode Init and it does not start from a previous
         // mode previous and current are both published as Init
         SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_OP_MODE_CHANGE, MODE_INIT, MODE_INIT )