diff --git a/projects/common/kc705/kc705_system_constr.xdc b/projects/common/kc705/kc705_system_constr.xdc
index c33b0db34..e7fec0815 100644
--- a/projects/common/kc705/kc705_system_constr.xdc
+++ b/projects/common/kc705/kc705_system_constr.xdc
@@ -58,24 +58,25 @@ set_property -dict  {PACKAGE_PIN  AA11  IOSTANDARD  LVCMOS15} [get_ports gpio_lc
 set_property -dict  {PACKAGE_PIN  AA10  IOSTANDARD  LVCMOS15} [get_ports gpio_lcd[1]]
 set_property -dict  {PACKAGE_PIN  AA13  IOSTANDARD  LVCMOS15} [get_ports gpio_lcd[0]]
 
-set_property -dict  {PACKAGE_PIN  Y29   IOSTANDARD  LVCMOS25} [get_ports gpio_sw[0]]
-set_property -dict  {PACKAGE_PIN  W29   IOSTANDARD  LVCMOS25} [get_ports gpio_sw[1]]
-set_property -dict  {PACKAGE_PIN  AA28  IOSTANDARD  LVCMOS25} [get_ports gpio_sw[2]]
-set_property -dict  {PACKAGE_PIN  Y28   IOSTANDARD  LVCMOS25} [get_ports gpio_sw[3]]
-set_property -dict  {PACKAGE_PIN  AA12  IOSTANDARD  LVCMOS15} [get_ports gpio_sw[4]]
-set_property -dict  {PACKAGE_PIN  AG5   IOSTANDARD  LVCMOS15} [get_ports gpio_sw[5]]
-set_property -dict  {PACKAGE_PIN  AB12  IOSTANDARD  LVCMOS15} [get_ports gpio_sw[6]]
-set_property -dict  {PACKAGE_PIN  AC6   IOSTANDARD  LVCMOS15} [get_ports gpio_sw[7]]
-set_property -dict  {PACKAGE_PIN  G12   IOSTANDARD  LVCMOS25} [get_ports gpio_sw[8]]
+# sw & led
 
-set_property -dict  {PACKAGE_PIN  AB8   IOSTANDARD  LVCMOS15} [get_ports gpio_led[0]]
-set_property -dict  {PACKAGE_PIN  AA8   IOSTANDARD  LVCMOS15} [get_ports gpio_led[1]]
-set_property -dict  {PACKAGE_PIN  AC9   IOSTANDARD  LVCMOS15} [get_ports gpio_led[2]]
-set_property -dict  {PACKAGE_PIN  AB9   IOSTANDARD  LVCMOS15} [get_ports gpio_led[3]]
-set_property -dict  {PACKAGE_PIN  AE26  IOSTANDARD  LVCMOS25} [get_ports gpio_led[4]]
-set_property -dict  {PACKAGE_PIN  G19   IOSTANDARD  LVCMOS25} [get_ports gpio_led[5]]
-set_property -dict  {PACKAGE_PIN  E18   IOSTANDARD  LVCMOS25} [get_ports gpio_led[6]]
-set_property -dict  {PACKAGE_PIN  F16   IOSTANDARD  LVCMOS25} [get_ports gpio_led[7]]
+set_property -dict  {PACKAGE_PIN  Y29   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[0]]
+set_property -dict  {PACKAGE_PIN  W29   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[1]]
+set_property -dict  {PACKAGE_PIN  AA28  IOSTANDARD  LVCMOS25} [get_ports gpio_bd[2]]
+set_property -dict  {PACKAGE_PIN  Y28   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[3]]
+set_property -dict  {PACKAGE_PIN  AA12  IOSTANDARD  LVCMOS15} [get_ports gpio_bd[4]]
+set_property -dict  {PACKAGE_PIN  AG5   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[5]]
+set_property -dict  {PACKAGE_PIN  AB12  IOSTANDARD  LVCMOS15} [get_ports gpio_bd[6]]
+set_property -dict  {PACKAGE_PIN  AC6   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[7]]
+set_property -dict  {PACKAGE_PIN  G12   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[8]]
+set_property -dict  {PACKAGE_PIN  AB8   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[9]]
+set_property -dict  {PACKAGE_PIN  AA8   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[10]]
+set_property -dict  {PACKAGE_PIN  AC9   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[11]]
+set_property -dict  {PACKAGE_PIN  AB9   IOSTANDARD  LVCMOS15} [get_ports gpio_bd[12]]
+set_property -dict  {PACKAGE_PIN  AE26  IOSTANDARD  LVCMOS25} [get_ports gpio_bd[13]]
+set_property -dict  {PACKAGE_PIN  G19   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[14]]
+set_property -dict  {PACKAGE_PIN  E18   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[15]]
+set_property -dict  {PACKAGE_PIN  F16   IOSTANDARD  LVCMOS25} [get_ports gpio_bd[16]]
 
 # iic