WIZ108sr(rev 1.1) with FF:FF:FF:FF:FF:FF mac

Question

My Module WIZ108sr(rev 1.1) have FF:FF:FF:FF:FF:FF mac, the config tool find it but can’t ping it. I get next lines via serial on module start up: LGWIZ108SR:VER2.14:STARTED úLGWIZ108SR:VER2.14:STARTED LGMAC:FF.FF.FF.FF.FF.FF LGGW:192.168.11.1 LGSN:255.255.255.0 LGIP:192.168.11.2 LGSEGCP:TCP:STARTED LGSEGCP:UDP:STARTED I can’t upgrade firmware too.Can you help please? I would like to guide me to solve the problem without sent module back to saler (tme.eu) because of time pressure Thank you in advance

ywkwon · Answer

You can recover the mac address by follow steps. Download and install WIZISP for W7100[attachment=2]WIZISP.zip[/attachment] Short the pin 1 and 2 of J1 as below. [attachment=1]wiz108sr.jpg[/attachment] Turn on power of the WIZ108SR. Check the COM Port number and Click the “Open” button of the WIZISP. Check the “Data” radio button of Flash Operation Mode and Click the “Set” button. WIZISP will shows log message as below. [attachment=0]wizisp.jpg[/attachment] Click the Erase Button. Close the COM port. Execute the serial terminal and open the COM port on your terminal. Reboot the WIZ108SR. The WIZ108SR will shows message as “INPUT FIRST MAC?” via serial terminal. Input mac address of WIZ108SR via serial terminal like as “MC00:08:DC:XX:XX:XX” Thanks.