diff --git a/lib/CPUs/MIPS/bsp/examples/test_irq.c b/lib/CPUs/MIPS/bsp/examples/test_irq.c
index 9a3a32a..e5f5b35 100644
--- a/lib/CPUs/MIPS/bsp/examples/test_irq.c
+++ b/lib/CPUs/MIPS/bsp/examples/test_irq.c
@@ -2,6 +2,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include "irq.h"
+
+#define	CPU_FREQ_HZ	100000000
+
 #include "libsys.h"
 
 char buffer[16384];
@@ -27,15 +30,25 @@ void handler2(void)
 
 void handler3(void)
 {
-	volatile char *pUART_stat = (char*)sys_uart_stat;
-	volatile char *pUART_data = (char*)sys_uart_data;
+	volatile UINT32 *pUART0_stat = (UINT32*)sys_uart0_stat;
+	volatile UINT32 *pUART0_data = (UINT32*)sys_uart0_data;
+	volatile UINT32 *pUART1_stat = (UINT32*)sys_uart1_stat;
+	volatile UINT32 *pUART1_data = (UINT32*)sys_uart1_data;
 
-	while((0x10 & *pUART_stat))
+	while(0x200 & *pUART0_stat)
 	{
 //		sputs("w: "); print_word((int)pPtr_w); sputs("\n");
 		if (pPtr_w == &buffer[16383])
 			pPtr_w = buffer;
-		*(pPtr_w++) = *pUART_data;
+		*(pPtr_w++) = *pUART0_data;
+	}
+
+	while(0x200 & *pUART1_stat)
+	{
+//		sputs("w: "); print_word((int)pPtr_w); sputs("\n");
+		if (pPtr_w == &buffer[16383])
+			pPtr_w = buffer;
+		*(pPtr_w++) = *pUART1_data;
 	}
 
 }
@@ -63,6 +76,12 @@ void handler7(void)
 int main(void)
 {
 
+	volatile UINT32 *pUART0_stat = (UINT32*)sys_uart0_stat;
+	volatile UINT32 *pUART1_stat = (UINT32*)sys_uart1_stat;
+	volatile UINT32 *pUART0_baud = (UINT32*)sys_uart0_baud;
+	volatile UINT32 *pUART1_baud = (UINT32*)sys_uart1_baud;
+
+	UART1_setbaud(460800);
 	printf("Hello\n");
 	memset(buffer, 0, sizeof(buffer));
 	pPtr_r = buffer;
@@ -76,6 +95,17 @@ int main(void)
 	interrupt_register(2, handler2);
 	interrupt_enable(2);
 
+	printf("UART0 Status = 0x%8.8X\n", *pUART0_stat);
+	printf("UART0 Baud   = 0x%8.8X\n", *pUART0_baud);
+	printf("UART1 Status = 0x%8.8X\n", *pUART1_stat);
+	printf("UART1 Baud   = 0x%8.8X\n", *pUART1_baud);
+
+	// enable RX interrupt
+	*pUART0_stat |= (1 << 6);
+	*pUART1_stat |= (1 << 6);
+	printf("UART0 Status = 0x%8.8X\n", *pUART0_stat);
+	printf("UART1 Status = 0x%8.8X\n", *pUART1_stat);
+
 	interrupt_register(3, handler3);
 	interrupt_enable(3);