You can do
    dev / ls
which will list all the devices connected to your machine.  Hopefully
you'll be able to figure out which one is the cd drive (it'd be in the
scsi section, i would think).

* mcmahill@mtl.mit.edu <mcmahill@mtl.mit.edu> menulis:
> 
> 
> There is a powermac 8500 in my lab which I want to try to boot from a
> NetBSD cd-rom.  I get to the open firmware prompt and do 'devalias', but
> don't see an entry for 'cd'.  The machine has an internal CD-ROM.  I'm
> 100% new to macppc and am unsure of what to do at this point.
> 
> Is there a reference that shows how to add a CD alias for this machine?

-- 
cliff crawford    -><-    http://www.people.cornell.edu/pages/cjc26/
                                                       icq 68165166
"IS I yes wardrobe yield [the] evaluation."     member of A.H.M.A.D.