I just tried putting a coin beneath the GPU cooler clamp and then applying a lot of pressure while turning the PS3 on, but it still results in the exact same 4412 error code. I assume the RSX is therefore dead, or was not reballed properly onto the new board. Guess we'll have to look for a new...
An update to my previous post, I couldn't really find a spare BD3504 on the slim board KTE-001 no matter how hard I tried.
More importantly, we tried to do the Frankenstein mod on a COK-002 but no success so far. Resistors have been modded as per Felix's tutorial, the RSX has been transplanted...
I just recently discovered this whole crazy journey through Felix's video in attempt to see what's wrong with my friend's PS3 Fat (CECHC), it still boots up, but occasionally, the entire screen freezes and corrupted green squares pop up, I assume it's the RSX going bad, not quite to the point of...