[olug] Bad Caps = Bad Motherboard = OLUG Downtime

Charles Bird thebirdman at operamail.com
Sat May 28 21:07:56 UTC 2005


ya man, I got an nvidia card that had that problem, about 8 
caps pooped out the bottom, thought it woulda bursted from 
top, but not in this case. 
I wonder if that manufacturer of caps is still in 
bussiness? 
 
 
----- Original Message ----- 
From: "Jon Larsen" <relayer at levania.org> 
To: olug at olug.org 
Subject: [olug] Bad Caps = Bad Motherboard = OLUG Downtime 
Date: Fri, 27 May 2005 19:16:32 -0500 
 
>  
> Back in the late 1990s, a formula for a new electrolyte 
for  
> capacitors was stolen from a superconductor manufacturer.  
It was  
> used to make capacitors, many of which wound up in many 
popular  
> motherboards.  The formula was not complete, and was 
flawed. Over  
> time, the 'faulty' capacitors started to exhibit behavior 
of  
> producing incorrectly, or erratic voltage to the CPU (as 
the caps  
> are used mostly in the voltage regulator module or VRM). 
>  
> The Capacitors bulge and leak electrolyte over time.  One 
indicator  
> of this is the toroid choke in the VRM may show scorching 
or heat  
> stress. 
>  
> The motherboard from the OLUG box had such capacitors, 
which caused  
> the failure last Sunday night. 
> Pictures can be viewed at 
<http://www.olug.org/albums/badmobo/> 
>  
> So, one thing to take away from this is when you do your 
regular  
> dusting and clean out of your PCs, check the caps, choke, 
and board  
> surface for any irregularities.  You may save your data.  
You do  
> clean out your PCs, right?  If not, check your fan exits 
and  
> intakes, plus your CPU heatsink. 
>  
> A good resource: 
> http://www.badcaps.net/ 
>  
>  
> But, backups are always your first line of integrity. 
>  
> Jon L. 
>  
> -- Jon H. Larsen  - relayer \at\ levania \dot\ org 
> Omaha Linux Users Group - http://www.olug.org/ 
> AnimeSunday.org - http://www.animesunday.org/ 
> ICQ#: 10412618 - http://www.levania.org/~relayer/ 
> GPG/PGP Pubkey - 
http://www.levania.org/~relayer/relayerpubkey.txt 
> _______________________________________________ 
> OLUG mailing list 
> OLUG at olug.org 
> http://lists.olug.org/mailman/listinfo/olug 
 

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