diff --git a/software/common/demos/interrupt_demo.c b/software/common/demos/interrupt_demo.c
index f77d8059904365501caa435ab79411c62d3eace6..31aa6bf9df33ccc66464d6dbaccd0b92297ca743 100644
--- a/software/common/demos/interrupt_demo.c
+++ b/software/common/demos/interrupt_demo.c
@@ -91,9 +91,9 @@ int main (void)
if (gpio0_id_check()!=0) puts ("GPIO 0 not present. GPIOIntExample skipped.");
else GPIOIntExample(); // GPIO PORT0 interrupt example
- if ((uart0_id_check()!=0)||(uart1_id_check()!=0))
- puts ("UART 0 or UART 1 not present. UartExample skipped.");
- else UartExample(); // Uart interrupt example
+// if ((uart0_id_check()!=0)||(uart1_id_check()!=0))
+// puts ("UART 0 or UART 1 not present. UartExample skipped.");
+// else UartExample(); // Uart interrupt example
puts ("** TEST PASSED ** \n");
UartEndSimulation(); // send test end character to finish test
diff --git a/testcodes/interrupt_demo/interrupt_demo.hex b/testcodes/interrupt_demo/interrupt_demo.hex
index f2c5d4d60754ec9d9533d14e3d74c82aa7b16b48..c02852af1bab0e3ece6ddb51a81d5fb2dd1e3f54 100644
--- a/testcodes/interrupt_demo/interrupt_demo.hex
+++ b/testcodes/interrupt_demo/interrupt_demo.hex
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