x86info v1.31pre MP Table: # APIC ID Version State Family Model Step Flags # 0 0x15 BSP, usable 6 5 5 0xbfebfbff # 4 0x15 AP, usable 6 5 5 0xbfebfbff Found 4 identical CPUs Extended Family: 0 Extended Model: 2 Family: 6 Model: 37 Stepping: 5 Type: 0 (Original OEM) CPU Model (x86info's best guess): Core i7 (Westmere) Processor name string (BIOS programmed): Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz Performance msrs: eax in: 0x00000000, eax = 0000000b ebx = 756e6547 ecx = 6c65746e edx = 49656e69 eax in: 0x00000001, eax = 00020655 ebx = 00100800 ecx = 029ae3ff edx = bfebfbff eax in: 0x00000002, eax = 55035a01 ebx = 00f0b2e3 ecx = 00000000 edx = 09ca212c eax in: 0x00000003, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x00000004, eax = 1c004121 ebx = 01c0003f ecx = 0000003f edx = 00000000 eax in: 0x00000005, eax = 00000040 ebx = 00000040 ecx = 00000003 edx = 00001120 eax in: 0x00000006, eax = 00000007 ebx = 00000002 ecx = 00000001 edx = 00000000 eax in: 0x00000007, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x00000008, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x00000009, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x0000000a, eax = 07300403 ebx = 00000004 ecx = 00000000 edx = 00000603 eax in: 0x0000000b, eax = 00000001 ebx = 00000002 ecx = 00000100 edx = 00000000 eax in: 0x80000000, eax = 80000008 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x80000001, eax = 00000000 ebx = 00000000 ecx = 00000001 edx = 28100800 eax in: 0x80000002, eax = 65746e49 ebx = 2952286c ecx = 726f4320 edx = 4d542865 eax in: 0x80000003, eax = 35692029 ebx = 55504320 ecx = 20202020 edx = 20202020 eax in: 0x80000004, eax = 30353620 ebx = 20402020 ecx = 30322e33 edx = 007a4847 eax in: 0x80000005, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x80000006, eax = 00000000 ebx = 00000000 ecx = 01006040 edx = 00000000 eax in: 0x80000007, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000100 eax in: 0x80000008, eax = 00003024 ebx = 00000000 ecx = 00000000 edx = 00000000 Cache info L1 Instruction cache: 32KB, 4-way associative. 64 byte line size. L1 Data cache: 32KB, 8-way associative. 64 byte line size. L2 (MLC): 256KB, 8-way associative. 64 byte line size. L3 cache: 4MB, 16-way associative. 64 byte line size. TLB info Instruction TLB: 2MB or 4MB pages, fully associative, 7 entries Instruction TLB: 4K pages, 4-way associative, 64 entries. Data TLB0: 2MB or 4MB pages, 4-way set associative, 32 entries Data TLB: 4KB pages, 4-way associative, 64 entries Shared L2 TLB: 4KB pages, 4-way associative, 512 entries 64 byte prefetching. Feature flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflsh ds acpi mmx fxsr sse sse2 ss ht tm pbe sse3 pclmuldq dtes64 monitor ds-cpl vmx smx est tm2 ssse3 cx16 xTPR pdcm pcid sse4_1 sse4_2 popcnt aes Extended feature flags: SYSCALL xd rdtscp em64t lahf_lm dts ida arat nonstop_tsc Long NOPs supported: yes Address sizes : 36 bits physical, 48 bits virtual 3.20GHz processor (estimate). Total processor threads: 4 This system has 1 dual-core processor with hyper-threading (2 threads per core) running at an estimated 3.20GHz