[rescue] Running an ultra 60 on its side

[Jonathan Groll]

Can an ultra 60 be run on its side? 

All the machines I've seen have a sticker on the case with a crossed-out
picture of the machine on its side with a monitor on top.

Is this to prevent the weight of the monitor breaking the plastic side,
or is it for heat dispersal reasons (i.e.. foam blocks on lid channeling
hot air out)?

I've got a book shelf that unfortunately only has space for the machines
sideways (great for U1s and U2s!).

Many thanks,
Jonathan.