Skip to main content

Questions tagged [ups]

A UPS (uninterruptible power supply) is a device used to provide instant backup power to critical systems for safe shutdown in the case of a power outage.

23 votes
8 answers
1k views

Is a UPS a good investment for a home machine?

Is it worth the money to invest in a battery-backed UPS unit for a home machine? Or is it a waste of money? The purpose of the UPS would be to prevent a "meltdown" of the computer due to bad power ...
Avery Payne's user avatar
  • 2,501
24 votes
4 answers
21k views

Can I run a computer using DC power?

I always thought that using a conventional UPS with a PC is highly inefficient. Power goes from AC -> DC -> AC in UPS and then AC -> DC in PC SMPS. Since PC works only with DC (12, 5 and 3 volts) It ...
Rajkumar S's user avatar
7 votes
4 answers
1k views

Can my Linux box turn off the UPS after it shuts down?

I have an APC UPS with all my computer peripherals plugged into it. When I'm done using the computer, I'd like to be able to type "shutdown" or "init 0" and walk away from the machine, trusting that ...
user2898's user avatar
  • 382

15 30 50 per page
1
17 18 19 20
21