B> =10I think this is a master/slave jumper issue.

I already tried every possible jumper position. The sticker in the
drive says that "no jumper" means "master", but I also tried a jumper
position that is not mentioned on the sticker.

B> Is this the only drive in the unit, or do you have other drives in=20
B> place (like the guys you are emulating).

During installation, this is the only drive. I plan to install another
drive after the installation is complete.

Regards
Carsten