Originally Posted By: mlord
Dubious. Even weak batteries probably have enough juice for an actively correcting UPS to protect things on mains.


APC SmartUPS, so they should have been OK. Quite an old unit; the current (replacement) batteries are about 4 years old. Almost time for a new set? I have a newer (but smaller) SmartUPS, which I'm using right now.

Quote:
I find that heat (bad ventilation), and fan bearings, are the only things that killed the PSUs I've seen.


We have a real problem with dust. I don't know if it's unusual, but I do get quite large dust bunnies (not quite the same size as in the link, but occasionally close) around the back of the computers.
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-- roger