this help and support forum is exactly that for help and suppport not for squabbling I've gave my answer to backhome, I have nothing to prove to say you have 50 of each ps3 n 360s apart from being complete BS is totally irrelevant to this thread.
yeah it apparently can do it. but never in service mode.
so service mode in - change hd and service mode out
the hd will be fine till you did not use it otherwise.