Article View: alt.comp.hardware.pc-homebuilt
Article #4Re: Power controller chip to turn on ATX
From: chuckcar
Date: Wed, 28 Oct 2009 22:00
Date: Wed, 28 Oct 2009 22:00
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2345 bytes
Al <bigal.nz@gmail.com> wrote in news:6346b7b5-100b-4b30-b545-e8135f3436e5@m3g2000pri.googlegroups.com: > Hi Guys, > > I have got a mobo here that is dead. I have done all the usual stuff > like trying new PSU, bench testing etc. Its dead - as in no fans, no > nothing when you hit PWR button - PSU doesnt even come on. > > I connected the ATX molex from the PSU and shorted Green (PWR ON) with > GND on the molex and the PC came on. All seemed fine. > > I think there is a IC on the motherboard between the PWR BTN headers > from the power on switch and the ATX header on the mobo that tells PSU > to start up. > > I am trying to find this IC. > > I have attached a image of the mobo with some of the IC's that seem > possible labelled. > > http://www.badcaps.net/forum/attachment.php?attachmentid=12082 > > Interested to know if anyone knows which IC controls the PSU and tells > it to turn on? Someone else suggested this function was handled on the > CPU since P4, but I am not sure about that. > You *have* taken out all RAM and replace the CPU to test it right? If so, either replace capacitors or chuck it. -- (setq (chuck nil) car(chuck) )
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X-Google-Thread: 4e777fa27a,4e94a4f1b79636aa X-Google-Attributes: gid4e777fa27a,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!news.mixmin.net!feeder.eternal-september.org!eternal-september.org!not-for-mail From: chuckcar <chuck@nil.car> Newsgroups: alt.comp.hardware.pc-homebuilt,24hoursupport.helpdesk Subject: Re: Power controller chip to turn on ATX Date: Wed, 28 Oct 2009 22:00:00 +0000 (UTC) Organization: A noiseless patient Spider Lines: 33 Message-ID: <Xns9CB29622CFBECchucknilcar@127.0.0.1> References: <6346b7b5-100b-4b30-b545-e8135f3436e5@m3g2000pri.googlegroups.com> X-Trace: news.eternal-september.org U2FsdGVkX18neefnoeKOB2uhqRRwTxo6r2yLs3y/G2n1e10m2kjGFixkpK8a2atTUaXlFvewRCssvWGixyk7plweZgarS/bYjZy0IlpyoqttURwFiSDd87b+fnDcza0L799H6zRZoSsn4BXHqXYV8Q== X-Complaints-To: abuse@eternal-september.org NNTP-Posting-Date: Wed, 28 Oct 2009 22:00:00 +0000 (UTC) User-Agent: Xnews/2006.08.24 Hamster/2.1.0.0 X-Auth-Sender: U2FsdGVkX1/Aa+wLVQDdSWE4zPhnjJCh3ZPL267XrRA= Cancel-Lock: sha1:ligSNnGs5qSRtChqPXq+1Sft6CA=