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Man-wai Chang ToDie (33.6k)
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      28th Dec 2008

What parts of a typical motherboard uses the -5V?

I just replaced an old power supply with an Antec EA380, and the
-5V rose to -6.17V. Is it dangerous though the system became
a bit more stable?

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do_not_spam_me@my-deja.com
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      28th Dec 2008

Man-wai Chang ToDie (33.6k) wrote:

> What parts of a typical motherboard uses the -5V?


None.

> I just replaced an old power supply with an Antec EA380, and the
> -5V rose to -6.17V.


It rose to a lower value???

> Is it dangerous though the system became a bit more stable?


Only if your system uses the oldest types of 16Kbit DRAM chips or has
an ISA, EISA, or VESA bus slot with a card plugged into it that uses
-5V for chip bias or an analog output. I doubt -5V is connected
anywhere in any contemporary motherboard; the newest ones that may
support it are some MSI or Supermicro oddball Pentium4 models with ISA
slots.
 
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Man-wai Chang ToDie (33.6k)
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      28th Dec 2008
>> I just replaced an old power supply with an Antec EA380, and the
>> -5V rose to -6.17V.

>
> It rose to a lower value???


Rising low...

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@~@ Might, Courage, Vision, SINCERITY.
/ v \ Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (Xubuntu 8.04.1) Linux 2.6.26.8
^ ^ 21:01:01 up 5:56 1 user load average: 1.00 1.00 1.00
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Flasherly@live.com
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      28th Dec 2008
On Dec 28, 8:02 am, "Man-wai Chang ToDie (33.6k)"
<toylet.toy...@gmail.com> wrote:
> >> I just replaced an old power supply with an Antec EA380, and the
> >> -5V rose to -6.17V.

>
> > It rose to a lower value???

>
> Rising low...
>


3.3 became defacto as die technology shifted smaller and efficiency
rose.
 
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david
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      30th Dec 2008
On Sun, 28 Dec 2008 08:19:53 -0800, Flasherly rearranged some electrons to
say:

> On Dec 28, 8:02 am, "Man-wai Chang ToDie (33.6k)"
> <toylet.toy...@gmail.com> wrote:
>> >> I just replaced an old power supply with an Antec EA380, and the -5V
>> >> rose to -6.17V.

>>
>> > It rose to a lower value???

>>
>> Rising low...
>>
>>

> 3.3 became defacto as die technology shifted smaller and efficiency
> rose.


Ah, no, he's talking about the negative 5 volt supply (which has nothing
to do with the shift from +5V logic to 3.3V logic).
 
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