For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Changed the U7100 twice more, finally got ppbus. So does the GPU though. I swear I checked every coil to ppbus fuse, maybe missed it. Good riddance honestly, I have another one with the same specs i've been holding on to, can finally sell it.