Addendum:

> I can imagine that one of those "helpful conditions" would have been that ACube
> must refrain from compulsively bundling their hardware with OS4, which would
> be a very reasonable condition (just imagine that someone who wants a Sam440
> primarily for running MorphOS and is not interested in OS4 at all would have to
> purchase a copy of OS4 nonetheless and thus economically benefit Hyperion).
> But as I said, that's just a suspicion from my part.

Seems my suspicion has been correct:

http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=34264&forum=28&start=20#629233