On Fri, 2 Feb 2018, nut.user.u...@neverbox.com wrote:

      I have an older box set up this way for continuous integration, and it needs 
to see more than a few seconds of power loss for the "always turn
      on" BIOS setting to work. I forget how many different intervals I tried, 
but 30 seconds of off time is reliable for that particular box.

Thanks. This matches my limited experience from yesterday with 2 computers 
including the one that's actually attached to the UPS I'm trying to get to

If power is cut and restored when the computer is already off (and with the 
always-on BIOS setting), then: short off time, it doesn't notice and it
remains off; long off time, it does come back on. I did one minute for "long" 
but didn't do binary partitioning of the interval to assess the exact

The default values in ups.conf are currently offdelay = 20 and ondelay = 30.
In view of your findings, shouldn't the default ondelay be offdelay+30 or even

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