Date: Wed, 19 Oct 2005 15:57:26 -0700 From: Kurt Buff <kurt.buff@gmail.com> To: Charles Swiger <cswiger@mac.com> Cc: Doug Poland <doug@polands.org>, questions@freebsd.org Subject: Re: Installing 2nd CPU on SMP board Message-ID: <4356CF56.2090106@gmail.com> In-Reply-To: <7BF2FC41-83C1-4E8C-8201-846783762B7B@mac.com> References: <20051019204428.GB46703@polands.org> <7BF2FC41-83C1-4E8C-8201-846783762B7B@mac.com>
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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. > > 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
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