Installing 10.2 on 10.4 machine

[Andreas Höschler]

Hi,

>> we have an old PowerMac thet ran MacOSX 10.2 for years. We recently 
>> installed 10.4 but need to downgrade this machine again for special 
>> reasons. I inserted the install DVD and pressed c while the computer 
>> was restarted, but the machine refuses to boot from the 10.2 install 
>> dvd. What do I have to do to get this to work?
>
> 	 I am sorry to tell you, but you can't really. 10.2 does not know how 
> to drive the newer hardware. If you need 10.2, then you are going to 
> have to find a computer that came with that OS to run it.

This (old) machine came with 10.2 installed. I upgraded it to 10.4 
later and want to downgrade again!?

Thanks,

   Andreas