[ale] OT - hardware problem

[Charles Shapiro]

Ouch.  Had that ( http://en.wikipedia.org/wiki/Capacitor_plague )
happen to one of my machines in 2004 or so.   I chucked the MB and
bought a new one.

-- CHS

On Mon, Oct 11, 2010 at 4:48 PM, Joe Knapka <jknapka at kneuro.net> wrote:
> I'm pretty sure it's not the fan, because when I did get the machine
> to boot into the BIOS, the BIOS status screen reported fan speeds in
> the 3000-4000 RPM range.
>
> I'll definitely look into the capacitor problem, though.  My soldering
> skills are only fair, but this might be a good opportunity for a
> Learning Experience :-)  I don't know exactly when the board was
> manufactured, but it's a BioStar 6100-M9 Socket 939.
>
> Woah.  It's capacitors.  Two of the big 3300uF ones right by the CPU
> socket are cracked like eggs.  Gotta find that soldering iron and the
> desolder .
>
> -- JK
>
> On Mon, Oct 11, 2010 at 11:36 AM, Calvin Harrigan
> <charriglists at bellsouth.net> wrote:
>> Could it be the fan?  It might be spinning, but not sending any feedback
>> to the MB and the MB thinks the fan is kaput.  This feature is usually
>> only available on higher end boards though.  Most usually depend on
>> temperature.  Just an idea.  What year was the board manufactured?
>> Could you be suffering from bad capacitors?  Most if not all
>> motherboards have a low voltage high current powersupply for the
>> CPU,Memory on board, the capacitors there could be at fault.  Look for
>> capacitors whose tops seem puffy or have stains, leaks, etc.  Most are
>> relatively easy to replace if you have any experience with a soldering iron.
>>
>>
>> On 10/11/2010 1:13 PM, Joe Knapka wrote:
>>> I've already replaced the PS with a new-in-box one, with no change in
>>> behavior.  So I don't think that's it.
>>>
>>> It's a socket 939 mobo; those seem to be hard to get these days. Looks
>>> like at least mobo and CPU, and probably RAM, will need to be
>>> replaced.
>>>
>>> Bleh.
>>>
>>> -- JK
>>>
>>> On Mon, Oct 11, 2010 at 9:25 AM, Scott Castaline<skotchman at gmail.com>  wrote:
>>>>   On 10/11/2010 10:43 AM, Joe Knapka wrote:
>>>>> On Mon, Oct 11, 2010 at 7:38 AM, Jim Kinney<jim.kinney at gmail.com>    wrote:
>>>>>> true. easy test for that is to boot to the bios and leave it alone. There's
>>>>>> no throttling in the bios for cpu speed AND you can run the temp page and
>>>>>> watch for issues there.
>>>>>
>>>>> I was going to try this, but this morning the machine won't turn on at
>>>>> all.  That is, press power button, fans spin up for about 1 second,
>>>>> then immediately everything turns off.  Pulled the power switch off
>>>>> the mobo and used a screwdriver between the pins to power up, and got
>>>>> the same behavior.  Pulled the RAM, same behavior.  Wish I had an
>>>>> alternate CPU to test.  Anyway I guess swapping out the mobo is the
>>>>> next move.
>>>>>
>>>>> Thanks all,
>>>>>
>>>>> -- JK
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>>>> If memory serves me correctly, you need a resistive load across the
>>>> voltage outputs, otherwise the PSU will behave like that. They do make
>>>> test plugs or at least used to for PSUs that provide the load needed to
>>>> turn on. If it does the same thing with the plug then it's the PSU. Also
>>>> I think that HDDs do provide enough load to trigger the PSU to stay on.
>>>> Did you have any hdds, optical drives still plugged in? It's possible
>>>> that one of them is dragging down the PSU.
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>>>
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>>
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>
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