[olug] Hardware problems on an HP desktop

[Bill Brush]

No problem Eric.

To the best of my knowledge there's just basically two types;  AT and ATX.
They are totally different plugs, so they can't be confused.

Good luck.

Bill

olug-bounces at olug.org wrote on 02/28/2004 02:10:46 PM:

> Bill, thanks for laying that all out.
>
> Can I just pull a power supply from an older box I have laying around?
Are
> there any kinds of incompatibility issues I need to be aware of between
older
> and newer PS?  I guess I should take a look to make sure an older PS has
all
> the right connections...
>
> Thanks again.
> Eric Pierce
>
>
> --- Rod Hurley <rhurley at tmvgas.com> wrote:
> > I second the power supply notion.  Especially since a power supply is
> > very inexpensive and easy to replace.
> >
> > >>> bbrush at unlnotes.unl.edu 02/25/04 08:56AM >>>
> >
> > This is just kind of an expansion on why I think it's the power
> > supply.
> >
> > Although most people aren't aware of it, power supplies are fairly
> > sophisticated.  There is a circuit in them (called the power good
> > circuit)
> > which monitors the 5V output.  As long as the output is within
> > tolerance
> > (which is fairly tight) everything is fine.  If the output falls out
> > of
> > tolerance the power good circuit shuts off all output.  This prevents
> > the
> > PS from ruining equipment by supplying too much or too little voltage.
> >
> > In your case it's entirely possible that the PS is borderline and on
> > some
> > boots it gets the output within tolerance and some it doesn't.  The
> > capacitors and inductors in the PS do degrade over time, and in
> > commercial
> > supplies they aren't the highest quality components to start with
> > since
> > they have an expected service life of 2 to 3 years.
> >
> > Bill
> >
> > olug-bounces at olug.org wrote on 02/23/2004 11:11:59 PM:
> >
> > > Well, swapping out the memory didn't help.
> > >
> > > I've considered the power supply, but I (irrationally?) deduced
> > thatif
> > there's
> > > any kind of power to the system, then the power supply must be
> > alright.
> > > Obviously, Bill, you think otherwise.  I have a spare power supply
> > > so I'll give
> > > that a go.
> > >
> >
> >
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