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Author Topic: Is my PSU working correctly?  (Read 2176 times)

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Offline Floid

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Re: Is my PSU working correctly?
« on: September 25, 2003, 03:33:15 AM »
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that_punk_guy wrote:
11.73 volts is absolutely fine. The components in your computer will tolerate slight variations in voltage (if you can get hold of any data sheets they probably have the figures on there).


To elaborate, most 'modern' electronics (where 'modern' is somewhere between 1975 and 1990) have voltage regulators onboard.  These are little semiconductor devices that help clean up the power on the way to points important, though my knowledge of the physics is rusty, so I won't pretend to know how they work.  It's only when you exceed the tolerances for these and related components that bad voltage becomes an issue.

Other fun things to try:

-Compare 'opposite' voltages and see if the skews even out.  (Okay, you did, nevermind.)

-Compare data ground to chassis/electrical ground.

What you really want to watch out for are things like fluctuation or waver; those can indicate an underpowered or failing supply.