> I can choose the language then the system will initialize Error the CD kann > nicht eingebunden werden > --
Have you tried to use the Debian Installer for Etch. Given that Etch release is very close now, you will probably benefit from it by installing your Sun machine with Etch directly. You can get D-I images from http://www.debian.org/devel/debian-installer I suggest you first try the "RC1" images.
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