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Date:      Thu, 30 Jan 2003 13:48:04 -0800 (PST)
From:      Matthew Dillon <dillon@apollo.backplane.com>
To:        Dale Woolridge <dale-list-freebsd-smp-3@woolridge.org>
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   Re: Over heating of the ABit BP6 motherboard
Message-ID:  <200301302148.h0ULm4uF090129@apollo.backplane.com>
References:  <20030115141300.S45542-100000@x12.dk> <20030115164141.GG1524@woolridge.ca> <200301270812.h0R8Cl8g072290@apollo.backplane.com> <20030127143515.GA7467@woolridge.ca>

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:On 27-Jan-2003 00:12 Matthew Dillon wrote:
:| :    as the reported EC10 cap problem.  As far as I know, simply replacing
:| :    the 1000uF/10v caps with non-Jackcon ones is sufficient.  As per reports,
:| :    I'll replace EC10 with a 1500uF/6.3v cap.  I'll send out another note once
:| 
:|     Has anyone measured the voltage across those caps?  If they are 
:|     electrolytic it's generally a good idea to put a significantly
:|     higher voltage rating in verses the nominal voltage across the cap
:|     (they'll last a lot longer).  I am somewhat worried that the original
:|     caps were 10v rated and you are replacing them with 6.3v rated.
:
:    Sorry if I wasn't clear.  I did two sets of cap replacements: the first
:    was replacing the 1000uF/10v caps in EC{18..25} with identically rated,
:    non-Jackcon caps; the second was replacing the single 100uF/10v cap in
:    EC10 with a 1500uF/6.3v one.  The first I did because one of my originals
:    popped and the rest were looking suspiciously like problematic caps in
:    my VP6.  The second I did as recommended in several places, one of which
:    quotes Abit UK thusly: "...all that is required is to replace the EC10
:    capacitor with one, value 1500uF/6.3v."  So, yes, EC10 is replaced with
:    a 6.3v, but it's the recommended fix and the original cap is the wrong
:    one anyway.
:--
:-Dale

    Yes, but what is the voltage measured across the cap when the machine
    is on?  Measure both the AC and DC voltage if you can.  If you have a
    multi-meter, that is.  If not then, oh well.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>

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