On Dec 22, 2005, at 2:01 PM, Michael Bray wrote:
> Our school district has approximately 225 iMacs of various ages,  
> colors, tray-type, slot-type, etc, and I'd very much like to  
> upgrade some of them to Tiger and WM (from OS-9 and MM).  All these  
> systems use network homes.
>
> Would anyone care to comment on the minimum configuration necessary  
> to make Tiger work reasonably well?
>
> Judging from what I have at home, a Tangerine iMac (400MHz G3, 10-
> gig drive, 512M RAM and slot DVD reader, running Panther nicely),  
> I'm inclined to suggest to our higher-ups that all of our slot-type  
> iMacs are probably okay (if we add RAM), and we should heave all  
> the tray-types...

Supported hardware is given here, except it omits that the DVD  
requirement is a non-requirement:
http://www.apple.com/macosx/upgrade/requirements.html

If you are planning to netboot, you might need 1GB RAM, and the lack  
of 1G ethernet will make netboot slow. You don't indicate whether you  
will use Classic, which needs RAM and disk space.  If you aren't  
going to netboot but are going to image the iMacs and are going to  
use Classic, the 10 GB drive is going to be a bit tight.  A 10.4.3  
install using network homes, with Classic and some apps (Microsoft  
Office, browsers, and browser support like Acrobat, etc.) is about 7  
GB.  And you've got to have paging store, /tmp, etc., so disk space  
will be tight; we set a minimum of 20 GB drives and 1 GB RAM for  
network homes without netboot and a couple of legacy Classic apps.

You will need to go the Tiger media exchange route for CDs if they  
don't have DVD drives and you are going to install locally.  The 10.4  
boxes out now (and the media exchange CDs sent this month) are  
10.4.3, which will save you the long update cycle.

Don't forget that you might need a firmware update first.
http://docs.info.apple.com/article.html?artnum=75430

Hope this helps.

Russ
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