Re: [Sheflug] power related question

["Graham Cox" <xxxxx [at] xxxxxxxxxx>]

OK - My mistake
The newsgroup was alt.hackers, and I've found the post now. The solution was
a capacitor over the power button jumper, and setting it to require the
power button to be held down for 4 seconds to turn the system off...

The full post is here:
http://groups.google.com/groups?q=alt.hackers+ATX&hl=en&lr=&selm=vbabskyju22
.fsf%40mozart.stat.wisc.edu&rnum=3
--
Graham

----- Original Message -----
From: "Craig Andrews" <xxxxx [at] fishbot.org.uk>
To: <shef-lug [at] list.sheflug.org.uk>
Sent: Tuesday, June 18, 2002 2:00 PM
Subject: Re: [Sheflug] power related question


> How about using a small (10nf - 1uF???) capacitor across the power button
> connector on the mobo? This idea was taken from an when I had an load of
old
> 386s which required the reset button to be pushed before it would enter
POST.
> The cap would charge, discharge, and then lie dormant until next power on.
> The actual switch can be wired in parallel, making it work just as before.
>
> Of course, YMMV, but it could be worth a shot. It should be electrically
> sound, as it would charge from the 5v across the power button and
discharge
> the same, and a button is a short anyway :)
>
> HTH
>
> Craig
>
>
> On Tuesday 18 June 2002 13:02, you exclaimed:
> > Depending on the motherboard, you might be able to set the state it
returns
> > to after a power failure. Most of the ones that I've had have had this
> > option(Always off, Always on, Same as before) for when the power comes
back
> > on.
> >
> > Failing that, there was a message on alt.hacker(Without the 's') about
> > this, from quite a long time ago, where the poster rigged it by shorting
> > out a couple of pins on the PSU. Probably not the safest way of doing
it,
> > but it seemed to work for him...
> > --
> > Graham
> >
> > ----- Original Message -----
> > From: <mark.l.johnson [at] barclays.co.uk>
> > To: <shef-lug [at] list.sheflug.org.uk>
> > Sent: Tuesday, June 18, 2002 12:01 PM
> > Subject: [Sheflug] power related question
> >
> > > ok strange question here.
> > >
> > > i have several atx servers, when power is restored after a power cut i
> >
> > want
> >
> > > them to power back up without any intervention. trouble is with the
atx
> > > 'soft' switch setup, i have to press the power button even when power
is
> > > restored.
> > >
> > > does anyone know of a simple way to make the switch in an 'always on'
> >
> > state?
> >
> > > thanks..
> > >
> > >
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