this move could also be simply to prevent people buying retail chips finding out they don't unlock and returning them (where AMD probably eats a lot more of the cost) compared to OEM chips where the warranty is mainly through the dealer.
Hi trying to build a backup device for my lab (did one earlier this year based on people's advice here - only 10 drives and it was a great success):
What we are thinking right now is:
Case: SUPERMICRO CSE-846TQ-R900B
(can I get an ATX board in this case..newegg has a special with an asus...