For my iMac problem:
I figured it out a couple months ago.
I needed to reset the USB/firewire controller or something like that.
Basically I just had to unplug all the cables including the AC of the iMac so the computer was not receiving any electricity.
Wait a couple of minutes then...
I didn't check system profiler and I believe I checked Drive utility but can't recall, I'll check but of those as soon as I get Home Tonight.
At first they were connected via Firewire 800 in a Chain since I only have one 800 port on the iMac. I also tried just one at time via Firewire or USB...
Here's a good one for you techies out there (I'm one of them, but can't figure it out).
I bought a New iMac (3.06Ghz Nvidia card, 4Gb RAM).
I also got 2 Western Digital My Book Studio Edition external HD (1TB & 500GB).
Now here's what happened.
I installed my new Mac with the software I...