CDROM won't boot

[Dennis Fazio]

I repartitioned my PowerBook G4 so it has an unallocated  partition ready 
for Linux.

I've downloaded the dayton-2.3-20020704-install.iso file and burned a CD on 
a separate 9.2.2 system  using Toast version 4 "disk image" popup 
selection.

The disk mounts with volume name "YDL-2.3" and has a desktop folder on it. 
It also says it has 441.3MB free. There is about 400MB of something burned 
onto the disk (perhaps empty space). One glitch, though, is it won't then 
eject because it's in use, even though I haven't done anything with it.

Anyway, when I attempt to boot with it by holding the "c" key, it doesn't 
recognize it and just boots Mac OS X from my internal disk.

I also tried Disk copy to create another disk using the "burn image" menu 
item. That one won't mount or boot.

There has to be something simple here that I'm missing and I'm hoping 
someone will spot it for me. Thanks.

--
Dennis Fazio
dfz@mac.com