[Noisebridge-discuss] computer PSU questions - is 5.5V normal for 5V?

[Joel Jaeggli]

On 8/8/10 3:44 PM, travis+ml-noisebridge at subspacefield.org wrote:
> Just wondering what the tolerances are.  I had a 550W PSU that was
> making the system act flaky.  Hooked it up to PSU tester and it's
> bouncing randomly from 5V up to 5.5V, and 3.3V is bouncing around up
> to 3.5.  The other lines (12V) are rock solid.

the voltage is undoubtedly higher when it's not under load. The 12v rail
has some relatively constant loads on it like the 3.5 disk spindles you
should see it fluctuate a bit if you have big 12v loads like a graphics
card or a 95w intel cpu... +- 5% is totally normal.


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