You cannot use system install disks from another machine to install the MacOS. You must use the original system disks or the full version of the MacOS.
Why? Apple strips the install disks of the drivers needed to run on other hardware. This is either to avoid license violations (like putting a new iMacs OS onto an old 7300, etc.) or to make room to cusumize the install with bundled software, or any other reason.
There have been many posts about this. Either use the full install or get the right system disks.
My advice? Upgrade to OSX 10.1 and get 9.2.1 with it. It's a bargain and OSX rocks!