Hacked HDVR2 needs second drive

[Hellbent]

Hi there I hacked my tivo with Sleeper's ISO about 4 months ago with an 80Gig drive , now I want to add a second 120 Gig drive , Do I need to reisntall everything on the 2 drives or is there a way to configure the second drive and just add it to my tivo?

any help apreciated

Hellbent