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Help with COOLMAX PS-228 test results

A

atomsquasher

n00b
Joined
May 20, 2014
Messages
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I run two 2TB drives in my computer...using one of those as a backup of the other.

I have had two consecutive Seagate 2TB drives fail recently in my computer, one I purchased in 2013 and when that one died, one purchased a couple of months ago in 2014, which promptly died a couple of days ago). I am worried that maybe the power supply is the cause. (I am writing this from the machine I have tested the power supply shown below on, which I should mention is still faithfully running a Seagate 2TB drive bought back in 2012....so that one has shown no problems at all)

I have never tested a power supply before, and I am wondering if my power supply is good or bad? Below are the results I got on all the different tests...the numbers stayed the same:

Code: 
Goal:    5.0    12        3.3    -12.0    +12.0    5VBS    0 - 500ms
Actual: 5.0    11.6     3.2     11.8       11.6    4.8        480ms    (Power Good)

No audible alarms went off on any of the testing, no "LL" for Low Power appeared, nor did any "HH" for High Power appear. However, I did notice that on the SATA connectors only the 5 volt and 12 volt LED's lit up, not the 3.3v. I don't really know what that means. As, if SATA needs 3.3v to work, my hard drive is working. So, I don't know why the 3.3v LED didn't light up.

I then tested a NEW Heavy Duty Power Supply I bought for another machine and put the differences in color. (I am hoping the code tabs keep the tabbed spacing for readability.)

Code: 
Goal:    5.0    12        3.3    -12.0    +12.0    5VBS    0 - 500ms
Actual: 5.1    11.9     3.3-2  11.3       11.9    4.9        410ms    (Power Good)

I noticed that some of the voltages gittered by about .1 back and forth. For instance, the 3.3 sometimes flipped to 3.2 and back and forth WHILE I WAS WATCHING IT! The numbers I have shown are what appeared to be the most common and stable ones. I don't know it that is a common thing or not, but I would think one would want the supply to be as stable as possible...but maybe jumping .1 is not a problem? HOWEVER.....all 3 voltage LED's lit up when I tested the SATA connector, instead of only the 2 on the other power supply.

Are both these power supplies good or is there something wrong with both of them???

Thanks very much for your help and thoughts! :)
 
Coolmax only makes shit. So it wouldn't surprise me if it is killing your drives.

What brand is the new PSU?
 
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