[http://now.netapp.com/download/software/ontap/5.0/]
Software Download Instructions
Important: Data ONTAP 5.0 requires 128MB of memory on the filer to run properly. If you do not currently have 128MB of memory, contact our Installed Base Group either by e-mail or by phone at 1-888-2NETAPP.
Ouch. 128MB? Why is that? Will filers be sold with a minimum configuration of 128MB in the future?