In the x86 architecture, the CPUID instruction (identified by a CPUID opcode) is a processor supplementary instruction (its name derived from CPU Identification)...
218 KB (12,125 words) - 14:57, 7 November 2024
CPU-World, CPUID for Intel Xeon 3.40 GHz – Nocona stepping D CPUID without CMPXCHG16B CPU-World, CPUID for Intel Xeon 3.60 GHz – Nocona stepping E CPUID with...
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the Family 0Fh processors. 10h and 0Fh refer to the main result of the CPUID x86 processor instruction. In hexadecimal numbering, 0F(h) (where the h...
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revision and RAM clock rate. It also provides information on the system's GPU. CPUID Benchmark (computing) GPU-Z Speccy CNET Editors' review (December 2009)...
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as CPUID family 6 model 22. In Intel's Tick-Tock cycle, the 2007/2008 "Tick" was the shrink of the Core microarchitecture to 45 nanometers as CPUID model...
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shrink of Intel's Core microarchitecture. Support is indicated via the CPUID.01H:ECX.SSE41[Bit 19] flag. SSE4.2 added STTNI (String and Text New Instructions)...
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Alder Lake (section CPUID incoherence)
P-cores and E-cores on early versions of Alder Lake CPUs reported different CPUID models. This has caused issues with digital rights management systems that...
56 KB (2,740 words) - 20:53, 30 October 2024
instruction rdseed are available with Intel Broadwell CPUs and AMD Zen CPUs. The CPUID instruction can be used on both AMD and Intel CPUs to check whether the...
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by setting the motherboard clock multiplier to 2. Package number: 26050 CPUID: Family 5, Model 8, Stepping 0 L1-Cache: 32 + 32 KiB (Data + Instructions)...
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processor is earlier than the 486. Starting with the Intel Pentium, the CPUID instruction reports the processor model. However, the above method remains...
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Physical Address Extension (PAE) but do not show the PAE support flag in their CPUID information; this causes some operating systems (primarily Linux distributions)...
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instruction set consists of several separate sets each having their own unique CPUID feature bit. However, they are typically grouped by the processor generation...
87 KB (4,713 words) - 05:57, 9 October 2024
four cores report the same CPUID model 0206A7h and are closely related. The stepping number cannot be seen from the CPUID but only from the PCI configuration...
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are supported modes when the processor is not in long mode. A bit in the CPUID extended attributes field informs programs in real or protected modes if...
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otherwise used for processors with QPI but no DMI or PCI Express links. The CPUID code of both Lynnfield and Jasper forest is 106Ex, i.e., family 6, model...
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processor microarchitecture. This is a separate extension using its own CPUID flag and is described on its own page and not below. Intel Haswell processors...
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documentation from Intel, "although this processor has a CPUID of 163xh, it uses a Pentium II processor CPUID 065xh processor core." The 0.25 μm Tonga core was...
23 KB (2,472 words) - 15:09, 21 October 2024
documentation from Intel, "although this processor has a CPUID of 163xh, it uses a Pentium II processor CPUID 065xh processor core." The major customer for these...
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the chip identified itself as an 80486 and disabled the CPUID instruction by default. CPUID support could be enabled by first enabling extended CCR registers...
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enabled by the BMI bit in CPUID. Intel officially considers LZCNT as part of BMI, but advertises LZCNT support using the ABM CPUID feature flag. BMI1 is available...
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Photo of CPUID for Transmeta Crusoe TM5800 800 MHz on Fujitsu P2040...
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("Banias") internally support PAE but do not show the PAE support flag in their CPUID information; this causes some operating systems (primarily Linux distributions)...
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operations, and program control, as well as special instructions (e.g., CPUID). In addition to the opcode, many instructions also specify the data (known...
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a smaller L2 cache. Merom-L has only one processor core and a different CPUID model. The desktop version of Merom is Conroe and the dual-socket server...
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die and memory controller die resulted in increased memory latency. The CPUID for Clarkdale is family 6, model 37 (2065x). The mobile equivalent of Clarkdale...
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microarchitecture, the shrink of the Merom microarchitecture to 45 nanometers as CPUID model 23. This replaced the Conroe processor with Wolfdale. The Wolfdale...
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the Skylake microarchitecture. Support for SGX in the CPU is indicated in CPUID "Structured Extended feature Leaf", EBX bit 02, but its availability to...
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memory and bus interface. The product code for Lynnfield is 80605, its CPUID value identifies it as family 6, model 30 (0106Ex). Lynnfield is related...
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tests) despite not being officially supported and not even reported by CPUID. This has also been confirmed by Agner Fog. But other tests gave wrong results...
19 KB (1,392 words) - 06:43, 28 March 2024
can solve this problem by inserting a serializing instruction, such as CPUID, to force every preceding instruction to complete before allowing the program...
10 KB (1,156 words) - 10:41, 16 September 2024