> -----Original Message----- > From: [email protected] [mailto:linux-poweredge- > [email protected]] On Behalf Of Tim Small > Sent: Wednesday, March 03, 2010 10:18 AM > To: [email protected] > Subject: Re: Adding a second Quad Core L5420 CPU to a 1950 III > > PJF wrote: > > I've been through the dell docs and intel docs, not sure if the > stepping > > matters. > > > > > Out of curiosity I had another look at this. Intel's line on older > processor lines were that the steppings shouldn't differ by more than > 1, > Intel's 5400 series datasheet says: > > http://www.intel.com/Assets/en_US/PDF/datasheet/318589.pdf > > > Not all operating systems can support dual processors with mixed > > frequencies. Mixing > > processors of different steppings but the same model (as per CPUID > > instruction) is > > supported. Details regarding the CPUID instruction are provided in > the > > AP-485 IntelR > > Processor Identification and the CPUID Instruction application note. > > but OTOH, it seems that mixing both settings of L5420 caused some > trouble on Intel S5000 boards before they updated the BIOS... > > http://downloadmirror.intel.com/18075/eng/release.txt > > > Cheers, > > Tim.
Thanks for taking the time to follow up on this Tim. I spoke with someone at Intel and the response was, "if it's working, don't worry about it" :) In the future on this server if I have any system instability issues or other bizarre symptoms I will know the first place to look. Thanks, -- pjf _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
