🚀 go-pugleaf

Short answer: Yes, if you're careful.

Kensington makes a Mac II stand (a pair of metal feet) that place the
II vertically, with the floppy-disk drive(s) at the upper end.  These
stands raise the lower edge of the II case (the left side, when mounted
horizontally) a couple of inches off of the floor, so that the vent
holes in the edge of the case are not blocked by the floor or carpet;
blocking them would probably result in overheating of the II.  You
should be able to cobble up something similar with a few pieces of
interior-grade pinewood and a few screws and some white glue, if you
prefer the low-tech approach.

Re vertical and horizontal mounting:  Sun Microsystems recommends that
whenever a system is shifted between horizontal and vertical mounting,
you back up its disk before remounting, move/reposition the system
cabinet, and then reformat and restore the disk.  Apparently, some hard
disks are sensitive to orientation change, and should be formatted in
the same orientation that they'll be used.  I've not spoken to anyone
who has lost data by failing to do this, nor am I aware of precisely
which drives may be sensitive to orientation.  Seems a cheap form of
insurance to backup/reformat/restore, though.
-- 
Dave Platt                                             VOICE: (415) 493-8805
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