from tivo.upgrade-instructions.com

I ran across this site some time ago, and had marked it as a site that I wanted to talk about. However you know how things go, it slipped through the cracks. Well recently a buddy of mine (Hi Nate) decided to upgrade a tivo, and was asking me for advice.. I dug up this site and sent it to him. This site will walk you through everything you need to do — by model of tivo!