da hamse ja ziemlich viele alte Systeme aus dem Support genommen, Pech für Indigo2 User wie es scheint:
The following workstations, graphics and scalable server systems have transitioned to retired support mode for the IRIX 6.5.23 release. IRIX 6.5.23 does not support installation on these systems.
Challenge® S, Challenge® M, Challenge® DM, Challenge® L, Challenge® XL
Indigo®, Indigo2™, Indigo2 Extreme, Indigo2 Impact™
Indy®
Power Challenge™, Power Indigo2™, Power Onyx™
Onyx®