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Unattended automatic reboot when UPS comes back online

Posted on 2007-04-04
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Last Modified: 2013-12-11
I have a computer installed in a remote location that has frequent power interruptions (a marine vessel is a good example of this).  The power goes out for both short and long periods of time, even for several days.

I have a UPS on the computer that shuts the computer down correctly when the power stays off.  This works fine.

What I'm looking for is a way to turn the computer back on when the power comes back.  The UPS automatically turns back on when the power is restored.  I would like the computer to be automatically rebooted when the UPS comes back online.

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Is this possible?  If you could do it any way you want (get whatever computer/UPS/?? combination of hardware was best for this situation), how would you do it?

What hardware would you recommend (both computer (rackmount/server/whatever) and other hardware)?

I'm most interested in hearing from anyone with first-hand experience with unattended always-on systems operating in harsh environments with uncertain power availability.

Thanks!
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Question by:seblin
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4 Comments
 
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Expert Comment

by:nobus
ID: 18856422
>>   Is this possible?   <<   depends on if the pc supports it
Look in the BIOS - power resume settings, and set it to power on after power resumes
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Author Comment

by:seblin
ID: 18856469
This is a Dell 1U server, and there is no option like you mention in the BIOS.  Can you recommend a computer (any manufacturer, any model) that supports this feature out of the box?  I've looked around, I've asked, but I haven't been able to find one.
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Accepted Solution

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nobus earned 500 total points
ID: 18862726
i have an ASUS P5B-VM, and it says on page 2-28 :

Restore on AC Power Loss :
When set to Power Off, the system goes into off state after AC power loss.
When set to Power On, the system goes on after AC power loss.

http://support.asus.com/download/download.aspx?modelname=P5B-VM&SLanguage=en-us
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Expert Comment

by:nobus
ID: 18862731
...but i'm sure you'll find many that do that
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