Don't worry... I'm not getting antsy (lots of smileys in my email to her).
But she's the expert and I'm just the user. Good guess that it is an
embedded system; that it is!
It's easier to ask here and get exact references than to say "but I
think..." (I made the "but I think" mistake on this NG last week :)
Next time I'll put the question in the post as well.
5. Sum sum sum