At first i had thought the transfer problem was an issue with my MacBook Pros firewire port, but now that i see others have had the exact same problem, I am not so sure.' - Adam Gillitt My solution was to take a recent backup of my MacBook Pro and use that to get my info/settings into the new iMac - it recognized the external firewire drive without a problem. It worked briefly - it was once able to see the contents of the MBP disk accurately, but then kept deciding either there was no disc attached, or that the disc attached had no copy of OS X on it. 'I tried to connect my MacBook Pro in target disk mode to my new iMac 2.4GHz 20' to transfer my info/settings/etc.Things I tried: connecting a camcorder and opening iMovie to confirm that the iMac Firewire port was functioning (it was) zapping PRAM on both the new and old Macs swapping out the Firewire cable.' 'I purchased a new 24' 2.4GHz iMac on Saturday, and could not connect to a Mac G4 533Mhz DP machine in Target Disk Mode.Transfers that occur over a FireWire target disk mode connection (particularly system migrations) fail part-way through.

Other Macs are not recognized at all when connected via FireWire target disk mode to the new iMacs.FireWire problems: Target disk mode and others We've received a surprisingly high number of reports indicating significant issues with the newly released Mid-2007 iMacs and FireWire target disk mode.

Target disk mode firewire