Quick power supply question.


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I recently ran into a problem whereby my server would not power up. I am planning to renovate the server now. I purchased a little power supply tester box. When plugging in the MB connector everything checks out except the -5V LED does not light up. All other connectors test out fine. I went online to see what this could mean and noticed that more expensive, and presumably better testers, do not even report the -5V signal.


My question is: what does this even mean, and is this reason to get another PS? If I had a different tester, I might not even know about the -5V "problem".

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