[parisc-linux] Re: Apollo 9000 power problem

[Alexander Gabert]

hi,

On Fri, Aug 01, 2003 at 12:04:12PM +0200, E. Pavletic wrote:
> Hi Alex,

nice to meet you :-)

> 
> I've got an apollo 9000 series 735/90 and now I'm experiencing a problem
> like yours: when I try to switch the power on, the leds flash up for a
> part of a second and then it's dead again.
> I have no idea what's the matter.

when it starts blinking for less than a second, try pushing the button
again and again and keeping it in the middle of being pushed.
this way you shortcircuit the logic but do not turn it off again!
> 
> I've looked on the Internet, but there I've found discordant opinions:
> someone says that the problem is in the power supply, others (like you)
> that it is in the power switch instead.

the power switch was not the problem.
the power suply has gone bad.
a new costs around 150 euro :-(


> 
> Would you be so kind as to tell me how you resolved the problem and
> what's the real reason of this failure, if you know it?

as said, the power supply has gone bad and i did not find a way other
than replacing it...
www.gall.de

> 
> Thanks
> enzo

HTH,

Alex
> 
> 
> # From: Alexander Gabert <pappy@nikita.ath.cx>
> # Date: Fri, 10 May 2002 22:37:45 +0200
> 
> > hi fellows,
> >
> > tonight i ran into a major problem: one of my two hp workstations is
> > having problems with the power on switch:
> 
> > the button must be pushed and tricked more than 5 times to turn the
> > machine on (led's blink only for a second when you push the button
> > once).  i did not mind and just did not turn the machine off :-)
> >
> > but now, i have the problem that the machine runs for 5-6 minutes and
> > then suddenly powers off itself.
> >
> > i really suppose it to be a problem with the A1094-66541 PCBA Switch
> > that is the little power switch assembly behind the drive cage that is
> > connected to the leds with the small ribbon cable and connected to the
> > chassis backplane with a long cable.
> >
> > does someone of you (preferably in germany, or the best would be
> > munich) know somebody, who i may ask to get me such a part?
> >
> >
> > i am quite sure, that this PCB is generating the problems with
> > powering
> > on the machine and recently that it powers itself off.
> > some months ago i took the power switch PCB from my second machine and
> > put it into this one and the PCB worked, but i need it for the other
> > machine of course, which happens to be the web/mail server from which
> > i am currently writing and receiving my mails.
> >
> > thank you in advance for any help to get this machine up and running
> > again...
> >
> > alex
> 

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