[OT] Dodgy electrolytic in 3COM hub

From: James Rice <jrice54_at_charter.net>
Date: Tue Mar 16 09:48:01 2004

Actually this is an industry wide problem. It's well documented that a
certain Tawainese company made a ton of bad caps that have ended up in
everything from Sun workstations to GM electronic modules. Dell
recalled a ton of stuff due to the cap problem.

Paul Berger wrote:

>I've got a Gigabyte motherboard from the same period with the issue ...
>three caps on the board are bulging or split on top. I bought three of
>the same model boards at the same time and only one of them have had
>that happen.
>On Mon, 2004-03-15 at 16:32, John Boffemmyer IV wrote:
>>Ab-so-friggin-lutely. Bad, buldging, stained cap ='s bad cap. Same damned
>>thing happened on a 4 port NetGear Router I had and an ABIT KT7-A
>>motherboard. With the ABIT, it was a known problem to the point where 3
>>shops cropped up in the US just to replace the bad caps. These were termed
>>by ABIT as unit repair technical facilities for their Customer Service and
>>Technical Support teams since ABIT apparently were cheap bastards and made,
>>oh, 100,000 of those boards with that issue with the same faulty caps.
>>NetGear is known for being cheap and a similar cap as the one you pictured,
>>blew in the 4 port router I had. Their tech support sucked and one of these
>>days, I'll just replace the damned cap myself. Good luck doing it.
>>-John Boffemmyer IV
>>At 03:48 PM 3/15/2004, you wrote:
>>>Hi folks,
>>>This is totally nowhere near the 10 year rule since the chips have datecodes
>>>of 9951 on 'em, but the theory of failure is the same. It's a 16 port 10/100
>>>hub and it whistles like a bastard when its powered up. On dismantling I
>>>find that one of the electrolytic caps on the power regulator side of things
>>>is looking (to me) unwell in that it has a brown stain on the top over one
>>>of the joins:
>>>I gather replacement is necessary since it's obviously on its way out?
>>>Cheers all,
Received on Tue Mar 16 2004 - 09:48:01 GMT

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