Date: Wed, 29 Sep 2004 16:27:51 -0700 From: Peter Wemm <peter@wemm.org> To: freebsd-amd64@freebsd.org Subject: Re: square power socket on AMD 64 boards Message-ID: <200409291627.51178.peter@wemm.org> In-Reply-To: <41544F5B.4080509@bredband.net> References: <41542753.30409@pythonemproject.com> <41544F5B.4080509@bredband.net>
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On Friday 24 September 2004 09:46 am, Lars Tunkrans wrote: > Rob wrote: > > Is it mandatory to use this square socket or just an option? > > IT IS Mandatory !!! Depends. Some boards work with it disconnected, others won't power up. I have several that don't care. There is 12V power coming in via the main atx plug as well. Some boards bus together all the 12V power sources. Others run the cpu voltage regulator exclusively from the 4-pin socket. If you have a board that uses the former (it seems many athlon64 boards are), then the only risk is that your motherboard may be drawing more 12V power than the PSU can handle. You'll see this by watching the hardware monitor showing a serious drop in the 12V rail. Again though, I haven't seen any that this is a problem. I'd expect this to be a bigger problem in the pentium-4 world. Of course, you can always get a hard-drive plug -> 4-pin atx adapter cable too. -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5
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