diff --git a/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde b/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
index 0702df0..e664a3d 100644
--- a/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
+++ b/branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde
@@ -106,6 +106,7 @@ class Wiz810MjDevice {
     void setIp(byte b0, byte b1, byte b2, byte b3);
     void setMask(byte b0, byte b1, byte b2, byte b3);
     void setGateway(byte b0, byte b1, byte b2, byte b3);
+    void setMac(byte b0, byte b1, byte b2, byte b3, byte b4, byte b5);
   
   private:
     void _init(void);
@@ -205,6 +206,12 @@ void Wiz810MjDevice::setGateway(byte b0, byte b1, byte b2, byte b3) {
   setGAR(_packBuffer(b0, b1, b2, b3));  
 }
 
+void Wiz810MjDevice::setMac(byte b0, byte b1, byte b2, byte b3, byte b4, byte b5) {
+  /*
+  
+   */
+  setSHAR(_packBuffer(b0, b1, b2, b3, b4, b5));  
+}
 
 /* ----------------------- */
 
@@ -233,8 +240,9 @@ void setup () {
   byte config_subnet_mask[] = {255,255,255,0};
   byte config_mac_address[] = {0x02,0xDE,0xAD,0xBE,0xEF,0x00};
   byte config_ip_address[] = {192,168,2,105};
+
+  WIZ810MJ.setMac(0x02,0xDE,0xAD,0xBE,0xEF,0x00);
    
-  setSHAR(config_mac_address);
   WIZ810MJ.setIp(192,168,2,105);
   WIZ810MJ.setMask(255,255,255,0);
   WIZ810MJ.setGateway(192,168,2,101);