Asrock N68-GS3 UCC unlock wont work

[Alku67]

Hey guys. So I have a asrock N68-GS3 UCC, and im trieing to unlock my sempron 140 just for the giggles. But every time I turn ucc on, the mb won't post.

 

[rgd1101]

that mean you can't unlock the Sempron 140