Hi Comer, Thanks so much for all your work. It really was as easy as your instructions. I burned your ISO CD. I disconnected my hard drives on the PC and used those sata connections for the TIVO drive and the drive to be upgraded. And now I have 2 TB in my Tivo Premier I just got 2 weeks ago and over 300 hours of HD recording. The drive was a WD20EARS green drive bought at Amazon for 79 bucks. I did not have to use wdidle3 nor set the AAM. Everything has been working perfectly over the past week. The 79 was well worth the upgrade!!!! Thanks!