Date: Wed, 19 Oct 2005 16:12:32 -0700 From: Glenn Dawson <glenn@antimatter.net> To: kurt.buff@gmail.com, Charles Swiger <cswiger@mac.com> Cc: Doug Poland <doug@polands.org>, questions@freebsd.org Subject: Re: Installing 2nd CPU on SMP board Message-ID: <6.2.3.4.2.20051019161158.05ff9160@cobalt.antimatter.net> In-Reply-To: <4356CF56.2090106@gmail.com> References: <20051019204428.GB46703@polands.org> <7BF2FC41-83C1-4E8C-8201-846783762B7B@mac.com> <4356CF56.2090106@gmail.com>
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At 03:57 PM 10/19/2005, Kurt Buff wrote: >Charles Swiger wrote: > > On Oct 19, 2005, at 4:44 PM, Doug Poland wrote: > > > >> I've inherited an SMP machine for which I've no documentation and don't > >> have convenient access to the hardware itself. The computer has a > >> single Xeon 2.8GHz CPU and I'd like to purchase another CPU. Question > >> is, can I simply match another Xeon of the same speed and expect it to > >> work? > > > > > > You want to get the same speed, FSB, and family number of Xeon, and it > > is preferable to get the same stepping number if possible. > > > >> If I need more info, will dmesg(8) tell me what I need to know? > > > > > > If you understand how to translate the dmesg display into processor > > steppings, sure. It's better to match the sSpec numbers...those include the stepping, and not all processors of the same stepping have the same sSpec. -Glenn > > > > See pages 16-17 of: > > > > http://download.intel.com/design/Xeon/specupdt/24967849.pdf > > >Ya know, if you have the money, it's probably just faster/easier to buy >two new matching CPUs that are known to work with the board, strip out >the old one and put the new ones in. > >Just a (lazy) thought... > >Kurt >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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