I had the EXACT same problem a few weeks ago with my first upgrade.
I made a back-up of the stock 40 gig drive, performed "mfsadd" with a 120g Maxtor as "b" drive (PC indicated upgrade was sucessful), and no matter what the jumper config, it would get to "A few more seconds" screen, and reboot.
I sucessfully restored my backup image to the stock drive (38 hours of recordings still on stock drive), and removed the "-s 127" from the restore command, and performed "mfsadd" a second time.
Instant success! I don't think I did ANYTHING different, but "mfsadd" worked the second time no problems - 144 Hours. Weird. My recordings are still entact on the old drive, and all is well on the new drive.
Later
