The first time I tried this was for a 13GB IBM drive. I was moving all my parts to a new case and was tired when trying to connect the power to the drive. The power connector that I tried to use was messed up and I forced it in (DOH). I just new it wasn't going to work at that point. I went to a local dealer and got the same exact drive and the swap worked.

Since I own 3 Series 1 SA TiVo's that I upgraded the drive space in, I still had the original drive that I wasn't going to use. Two friends had their TiVo stop working and called me for help. I tested the drive in a PC and it wouldn't work changed the logic board and it would work.

Since then I've got a few calls from friends asking me to help their friends fix a dead drive and they all look at me like I'm crazy when I pull the PCB off. Oh do I love that look but that is also because when it works the new look is PRICELESS.
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Chad