Hi everyone! My English bad, but i try. I have iMac 27, mid 2010, 11,3 With Original Intel Core i3 3.20, 4mb Cahce L3, LGA1156 and latest EFI, few day ago am upgrade my CPU to Xeon 3430 2.4 8mb Cache L3, LGA1156, and what we look a have? Mac Start, and work Perfectly. Tested with all GeekBench, GPUBench, try all apps, no question in job this machine. BUT!!! God D**n, About this mac - show me god d**n Core i3 instead My new CPU Xeon X3430. WTF??????? sysctl machdep.cpu.brand_string - return me right information about my CPU, e.t machdep.cpu.brand_string: Intel(R) Xeon(R) CPU X3430 @ 2.40GHz But, GOD D**n, About this mac return me Core i3. What GOD D**n Happen with OS X? i have 10.9, return me Wrong information in "About this Mac" and Yosemite 10.10 too say me in "About this Mac" Core i3 God D**n, what happen??? 20 min back, am downloading REFIT and install it on 10.9 then reboot and go in EFI Shell, where am looking smbios info, and GOD D**n, smbios say me - "Yeap, You have XEON X3430 with 2.4Ghz" What a M**** happens? One, SMBios in REFIT shell see my new CPU XEON 3430, Two, GeekBench and other Sh*** too see my new CPU XEON 3430 Three, Terminal too say me, you have XEON 3430. And last, very little B**** in About this Mac told me again - you have "Core i3" What a HELL??? 3 time, or 4 time, am reinstall OSX with all Version, from 10.7 to El Capitan and nothing. About this mac - You have "Core i3" Help me. someone. guys.