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Article #2Re: Power controller chip to turn on ATX
From: Franc Zabkar
Date: Thu, 29 Oct 2009 02:39
Date: Thu, 29 Oct 2009 02:39
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2349 bytes
On Tue, 27 Oct 2009 11:33:18 -0700 (PDT), Al <bigal.nz@gmail.com> put finger to keyboard and composed: >Paul, > >Thanks for the very detailed replay.My bad for not remembering bad >caps wouldnt allow you to view the image. > >Here is the image: http://img101.imageshack.us/img101/4540/dsc04544a.jpg > >The motherboard is a Elite group L4S5MG/651 + V5.01 > >In addition to the other components: > >GS 78L05N (just aboce molex, 3 pin volt regulator) That's probably supplying a noise free +5V rail to the onboard sound chip ... for electret microphone biasing. >NEC K3296 MoSFET 2SK3296 >STLAB LD1117 (volatage regulator) I suspect this linear regulator may be reducing the +5VSB voltage to +3.3VSB. If you measure the voltages at the on/off header, I suspect you will find +3.3VSB rather than +5VSB. >But the one that seemed most likely was the RT9237 MULTIPHASE DC/ >DCCONTROLLER FOR CPU PWR SUPPLY > >This help any? > >And for those suggetsing bin it, yes I can do that, but there is no >learning in that! > >-Al Good on you! - Franc Zabkar -- Please remove one 'i' from my address when replying by email.
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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!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!wns11feed!worldnet.att.net!208.48.142.85!newsfeed.news2me.com!news.astraweb.com!border2.newsrouter.astraweb.com!not-for-mail From: Franc Zabkar <fzabkar@iinternode.on.net> Newsgroups: alt.comp.hardware.pc-homebuilt,24hoursupport.helpdesk Subject: Re: Power controller chip to turn on ATX Date: Thu, 29 Oct 2009 13:39:16 +1100 Organization: Bachelor Life Ltd Reply-To: fzabkar@iinternode.on.net Message-ID: <6nvhe5hdoq3an9laf39b4v4eti6v7hdv5t@4ax.com> References: <6346b7b5-100b-4b30-b545-e8135f3436e5@m3g2000pri.googlegroups.com> <hc73tp$mni$1@news.eternal-september.org> <636e0abf-4320-4340-879e-2f26ff70e36e@u36g2000prn.googlegroups.com> X-Newsreader: Forte Agent 3.3/32.846 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 44 NNTP-Posting-Host: 624b0671.news.astraweb.com X-Trace: DXC=<`nEObKkAHKOObP71A_HVDL?0kYOcDh@JEE63Zc8>UeGY^j`@oieC<@O5T^5I=SjjFjUJWf1P[mJC