[clug] Bad Capacitors

[Robert Edwards]

Some of you will remember that this bad capacitor issue is what caused
us so much grief with the Bunyip cluster back in 2001. Ended up
replacing 50 motherboards.

We have also been hit by it on Duron based NVidia mobos (similar to
X-Boxs, but for a PC) and more recently almost all the Dell Optiplex
GX270s on campus (over 500) have had motherbaords replaced for the
same reason.

Cheers,

Bob Edwards.

Jsparksaa at cs.com wrote:
> All,
> 
>   Here is a website of a person who gives detailed info regarding motherboards and bad capacitors.  He will also repair MB's. (USA and Canada only, though!)  
> 
>   If you have steady hands and can operate a soldering iron, you can order a kit and attempt a repair yourself!  
> 
>   http://www.badcaps.net/
> 
>   Jim
> 
> 
> Paul Wayper <paul.wayper at anu.edu.au> wrote:
> 
> 
>>On a slightly related thread, and more as a heads-up, note that there
>>have been problems with cheap Taiwanese capacitors blowing up and frying
>>motherboards.  The problem's due to the 'defection' of a scientist from
>>a Japanese firm that made capacitors to its Taiwanese competitor - he
>>took the formula for their electrolyte but didn't get all of it.  So the
>>electrolyte in the capacitors leaks out and/or corrodes the can.  The
>>two main signs are the top caps bulging outward, or electrolyte leaking
>>out of the capacitor.  Many motherboard manufacturers, even reputable
>>ones like Asus, have been affected, and most will admit there is a
>>problem but aren't actually issuing recalls or anything.
>>
>>On a more related note, and also looking at the phoronics.com site that
>>Rainer mentioned, I was thinking that what would be really nice would be
>>a site that you just dump your 'lspci -v' and other diagnostic outputs
>>into and it catalogues what's in your system and then asks you how the
>>hardware is going for you.  It's too much hassle to try to take large
>>outputs apart to catalogue them, and possibly inaccurate as well.
>>
>>Just another thing to add to my large list of 'things to put some time
>>to in the future...'.
>>
>>Have fun,
>>
>>Paul
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