Re: siren when PC power is on

On 6/7/2016 3:46 PM, Aleksandar Kuktin wrote:
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>> On Tue, 7 Jun 2016 21:24:10 +0100
>> Ken Moffat <[email protected]> wrote:
>>
>> On 7 June 2016 at 20:09, Aleksandar Kuktin <[email protected]> wrote:
>
>>> Does it beep? A properly operating motherboard will beep twice. In
>>> this case, the most important beep is the first one. That's the
>>> motherboard firmware saying "I'm alive". Fans are simple devices
>>> and will operate even if the PSU outputs "wrong electricity", say a
>>> train of 100Hz pulses instead of a steady voltage.
>>
>> No beep. But I don't think it has any speaker connected.
>
> The beeps are produced by the "beeper", a small sound-making device on
> the motherboard. It's not even a real speaker, it just beeps.
>
> Since it doesn't beep, we can assume the motherboard does not wake up.
> Either it got destroyed or simply isn't being powered properly. Tests
> are in order.

I haven't had a system in about 7 years that does beep when powering on. 
It might be different in other parts of the world, but mine will only 
beep (and a certain amount of times) if there is a problem, not if they 
passed POST.
>
>> Thanks.  I'll see about looking at the SSD from the test machine, then
>> probably get a PSU or two. For the moment I'm not touching the server,
>> I seem to have developed an ability to break things recently.
>
> Best of luck, Ken. I retire for the night.
>
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-- 
Douglas R. Reno
--LFS/BLFS systemd maintainer
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