Technical data (reverse engineered) and an alternative Linux firmware (Debian 5 Lenny) for the Seagate Blackarmor NAS.
Debian 5 Lenny has reached end of life and should not be used in production anymore. Moritz Rosenthal has released detailed docs on how to update the system with an up-to-date linux kernel and Debian distribution. Make sure to check out his wiki page for further information.