ME probably need to be refreshed according to this guide:
You transfered an ME that was initialized on another machine, that might lead to a not correct working ME on this machine.
Machine specific data were in the padding after NVRAM at 0x230000, not an unusual place for older notebooks.
GbE should contain a MAC address, but there’s a dummy both in own bricked machine and the foreign image. What NIC does this machine have and do you experience any problems with networking?