> On 7/08/2003 7:21 PM +1000, Ben Donohue wrote:
>
>> Hi Gonzalo,
>> Try removing everything that is *not* absolutely needed in the
>> computer. Ie all the cards that are not needed. Could be one of those
>> causing the problem. Remove *one* of the memory chips if possible and
>> leave the other in. then change it over. some systems will allow this.
>> remove CDROM temporarily if not needed etc. Also unplug/replug in
>> everything a few times as mentioned in another post. check that there
>> are no bent pins on devices too. swap keyboard and mouse, monitor if
>> things start to get desperate. I've had them cause computer hiccups in
>> the past. take an image of the machine that you can restore later with
>> imaging software and install the operating system again. if it falls
>> over again it's most likely hardware... perhaps... you know... try
>> different stuff...
>
> I'm going to try the SCSI card next, although unlikely to be causing any
>  problems.
>
> Unfortunately it's one 256MB DDR stick so I can't remove half as you
> suggested.
>
> What I'm going to try after removing the SCSI card is running Knoppix on
> it  for a few days just to be absolutely certain that it's not the OS.
>
> Thanks to all who replied and keep the suggestions coming :)

Had my linux server not starting up (after a history of disk errors and
other weird happenings....) It got to the point where it would not even do
a POST.  Unplugged everything (and that included the power cables for the
HDs and FDD etc), unplugged video (POST will generate an error on this),
and even memory and the server would still not powerup.  A friend finally
suggested the PSU.  Cleaned the dust out of it, and the system now works.

Now in your case, you appear to have already replaced the PSU, so kinda
shoots that theory down. However, a thought here, check the mounting of
the motherboard to ensure that things are not shorting out.  Both on the
topside, and the underside.  You just did an upgrade on it didn't you?
Over time the board can heat up, flex a little and short something out
causing the system to lock.  Check for dust and other stuff that might
have accumulated under the motherboard as well.

The other thing to be careful with lm-sensors is that it actually only
polls the sensors at a minimum of 30secs or something.  So if you poll
every 10 seconds, it does not actually go and get a new set of readings,
but uses the ones that it had already collected.  Not sure where I read
that though. So, it may or may not actually show the temperature that you
think it is....

Mark P.
--
..sig - TBA
CBR AU


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