// Define a constant of how often to call the debugger periodic callback\r
// function.\r
//\r
-#define EBC_VM_PERIODIC_CALLBACK_RATE 1000\r
+#define EFI_TIMER_UNIT_1MS (1000 * 10)\r
+#define EBC_VM_PERIODIC_CALLBACK_RATE (1000 * EFI_TIMER_UNIT_1MS)\r
\r
EFI_STATUS\r
EbcDebugSignalPeriodic (\r