Thanks for the inputs. I did Copy, Expand and Supersize all in one shot, so to get the full 479 do I follow the process from JMBach below step for step again on the same drive? I am not a super user of TIVO but can follow directions well, so I only want to do this if there is no possibility of messing up. When you say 1TB image you mean the original Premiere image right? My Premiere was a basic so its HDD is 500GB. Thanks again for the help. "For what ever reason, Cybernut's original expansion did not use all the sectors available. So we reset his image by modifying the partition map to indicate the original expansion partition was gone and let the TiVo divorce the partition. Once that was done, used JMFS to expand and supersize. This time it used all the space available and we finally got the expected result. Not sure why JMFS did not do it correctly the first time. Perhaps because the copy and expansion occurred in one session versus doing the copy and expansion in separate sessions. FWIW, this was the process I used when I made the 3TB image: a) copied my 1TB image to the 3TB drive b) shut down the computer with JMFS and removed the drive c) boot the 1TB image on the 3TB drive in my TiVo and once I made sure the image was fully operational, via the menu options, restarted the TiVo and pulled the power upon restart d) restarted JMFS and did the expansion and supersize. e) placed the drive back in the TiVo and booted up"