James,
I believe this article contains the account you're thinking of. Without
regard to any other system, I will say that this type of longevity and
rock-solid performance is more the rule than the exception.
http://www.ibmsystemsmag.com/ibmi/endpgm/An-Out-of-Sight-AS-400-Testimonial/
~TA~
"James H. H. Lampert" <jamesl@xxxxxxxxxxxxxxxxx> wrote in message
news:mailman.18360.1363365476.10847.midrange-l@xxxxxxxxxxxx...
I vaguely recall hearing of an AS/400 being accidentally sealed up in a
doorless room, and continuing to plug along for years, but I don't recall
the details.