[Wylug-discuss] instant boot on power on........

[Jim Jackson]

On Fri, 9 Dec 2005, Graham Whaley wrote:

> Hi Jim.
>
>  I presume this is an ATX powered MoBo.
>
>  The ATX connector has a signal PS-ON - pin 14.  It is an active low
> signal that brings up the power rails.  I suspect you can just tie this
> to ground (any of the pins either side of it), and away you go.
>
>  I happen to have an ATX power supply on my desk right now with a wire
> link selotaped in to do that.  It is running a non-ATX non-PC board.
>
>    I found the ATX spec. on the net somewhere and have the printed page
> in front of me.  ATX spec. v2.01, Section 4.2 - power supply connector.
>
>
>  Of course, if you fry your MoBo or psu, then it wasn't me :-)

Yes. The problem is what does the mobo have connected to this wire? It
obviously has something, because it controls PSU in response to
detecting depression of the front panel "power" switch.

I have a couple of possible "hardware" solutions I might try if all else
fails.

>
> > -----Original Message-----
> > From: wylug-discuss-bounces at wylug.org.uk
> > [mailto:wylug-discuss-bounces at wylug.org.uk]On Behalf Of Jim Jackson
> > Sent: 09 December 2005 13:06
> > To: WYLUG discussion list
> > Subject: [Wylug-discuss] instant boot on power on........
> >
> >
> >
> > Many mobo's need the front panel "power" button to be pressed
> > before they
> > boot. I've a situation where I need a computer to boot when I
> > apply mains
> > power, without pressing the "power" button. I don't see any
> > BIOS options
> > controlling this behaviour.
> >
> > Anyone any ideas or pointers. Googling has drawn a blank - though that
> > maybe a lack of immagination as to useful search terms.
> >
> > cheers
> > Jim
> >
> >
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> > http://mailman.lug.org.uk/mailman/listinfo/wylug-discuss
> >
> >
>
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