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PG signal 70ms

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Brett6915
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2022/05/23 20:35:03 (permalink)
So I just bought a 550watt GA power suplly for a new pc... I normally test any supply I install in a new system... the Pg signal is 70ms... 
 
Do you consider 70ms out of spec?
 
 
TYIA

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    ty_ger07
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    Re: PG signal 70ms 2022/05/23 21:08:56 (permalink)
    70 ms is a bit fast, but if the power is actually good previous to that 70 ms signal, then I don't think there is anything to worry about. Are you experiencing a problem?

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    Brett6915
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    Re: PG signal 70ms 2022/05/23 21:12:47 (permalink)
    I have not installed the PSU yet... I thought the ATX spec was 100-300ms... If there is boot issues i will know what it is I guess.
    post edited by Brett6915 - 2022/05/24 11:34:19

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    etp777
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    Re: PG signal 70ms 2022/05/24 15:00:40 (permalink)
    Mine is zero but works fine. I am wondering if a solid state PSU peculiarity 
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    EVGA_Lee
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    Re: PG signal 70ms 2022/05/24 15:44:17 (permalink)
    We generally find that the relatively inexpensive PSU testers and other non-industrial meters sometimes do not have the sensitivity to properly measure the PG signal.  The last time we had a customer report a PG signal of 0, we hooked it up to an oscilloscope and it measured clearly within ATX spec.
     
    That's not to say that you can't find a PSU that will give you a good reading on those types of meters, but we also see unfounded concerns, as well.
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    Brett6915
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    Re: PG signal 70ms 2022/05/24 16:23:22 (permalink)
    We have have tested albout a dozen diffrent power supplies with my tester... pg signal is usually 150-250ms... with 2 outliers... one was 500ms and the EVGA 550watt GA at 70ms.

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