On Oct 20, 2010, at 5:55 PM, Steven McKinney wrote: > Hi Mac Gurus, > > I have been searching the web trying to find out how to determine if my Mac > is "Nehalem-based". I have not been able to find any discussion about how to > determine this, beyond something such as "Macs built in early 2009" or > similarly vague statements. >
It's not vague at all, it's MacPro4,1 and MacPro5,1 models (you can use use "sysctl hw.model" to find out what you have). If in doubt, check on Wikipedia ;) The latter uses the Nehalem architecture but I don't have a specimen of those so I can't confirm that the bug still holds true for those. Cheers, Simon > Does anyone know where I can find a description of which Intel chips in a Mac > constitute "Nehalem-based" and what R or Mac-OS scripts, commands etc > will yield information on the CPU chip in my Mac so I can make this > determination? > >> From "About this Mac" I get the following information, but I'm unclear on > what if anything in such output will reliably show whether my Mac is > Nehalem-based. > > Hardware Overview: > > Model Name: Mac Pro > Model Identifier: MacPro4,1 > Processor Name: Quad-Core Intel Xeon > Processor Speed: 2.66 GHz > Number Of Processors: 2 > Total Number Of Cores: 8 > L2 Cache (per core): 256 KB > L3 Cache (per processor): 8 MB > Memory: 32 GB > Processor Interconnect Speed: 6.4 GT/s > Boot ROM Version: MP41.0081.B08 > SMC Version (system): 1.39f5 > SMC Version (processor tray): 1.39f5 > Serial Number (system): H00230C320H > Serial Number (processor tray): C070183004XDCVHAX > Hardware UUID: 482F1E2A-2588-5FA3-80AE-11BE11615B02 > > Any information appreciated > > Steven McKinney > > Statistician > Molecular Oncology and Breast Cancer Program > British Columbia Cancer Research Centre > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > > _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-mac
