No results yet, but creating this for those trying to develop a way to save CableCard pairing across Hard Drive upgrades to have their own thread. A little discussion sparked from here. http://www.tivocommunity.com/tivo-vb/showthread.php?p=10203141#post10203141 There is a CableCard tear down: https://technology.ihs.com/Teardowns/detail/?ids=336863_515 Again, only thumbnail viewable. The POD2000 ones. Round thing looks like a battery to me.