Running Panther on the New G5

The Latest range of PowerMac G5 is shipping with Tiger. If you try to install Panther on them, you'll discover that it is not possible.
However, some professional apps are not compatible with 10.4 yet, and that creates a problem for all those who want to buy a new G5 now.
A solution exists: One of our reader wrote us to say that if the recent G5s cannot install Panther, they will accept to run a preinstalled Panther.
Two solutions to 'preinstall' Panther:
- Boot on a FireWire disk with 10.3.9 already installed on it.
- Install Panther via an older mac with the G5 connected to it in Target Disk mode.
A word of caution: we do not yet know whether every feature of the new machines will be recognized, but their similarity to the previous G5 range lets us believe that they should.
[Translator's note: it's worth a reminder here: on every new range of macs released in the last 10 years a machine would only work with the operating system version that was current when the machine was released, or with a special version made for the new machine. This is because the OS contains quasi-firmware info on every mac it should be compatible with. If this info is missing, the OS won't be able to boot the mac in question]