Intel cpuid specification pdf.

• Intel cpuid specification pdf NOTE Currently, the Intel TDX Module is the only SEAM module that the Intel P-SEAMLDR installs. These will be incorporated in any new release of the specification. § This limit is enumerated by the CPUID instruction. Specification changes, specification clarifications and documentation changes are removed from the specification update when the appropriate changes are made to the appropriate product specification or user documentation (datasheets, manuals, and so forth). April 2023 . • CPUID instruction updated with PCONFIG and WBNOINVD details. SWIRL (Intel logo)TRADEMARK BRANDPROCESSOR NUMBERSSPEC FPO {eX} Note: “1” is unit visual ID (2D ID). Product Collection Code Name CPUID EOIS Date4 ESU Date4 Processor Numbers 6th Generation Intel® Core™ Processors 6th Generation Intel® Core™ i3 Processors Skylake 0x506E3 September 30, 2022 September 30, 2022 i3-6098P Not applicable i3September 30, 2022 -6100‡, i36100T‡ 6300, i3 6300T, i3 6320 6th Generation Intel® Core™ i5 Processors Jul 19, 2024 · Note 1: There are some old CPUs where CPUID is supported but the ID bit in EFLAGS is not (NexGen). 0x0D - 0x0F Intel Reserved 0x10 CSE Secure Boot 0x11 - 0x2C Intel Reserved 0x2D Feature Policy Delivery Record 0x2E Intel Reserved 0x2F JMP $ Debug Policy 0x30 - 0x70 Reserved for Platform Manufacturer Use 0x71 - 0x7E Intel Reserved 0x7F Unused Entry (skip) Intel Reserved Entries are reserved for Intel usage only. By taking advantage of the CPUID instruction, software developers can create software applications and tools errata removed from the specification update are archived and available upon request. November 2023 023us Updated erratum ICX152. Added Celeron processor and Pentium® OverDrive® processor with MMX™ technology Mar 5, 2025 · The downloadable PDF of the Intel® 64 and IA-32 Architectures Optimization Reference Manual Volume 1 is at version 050, and Volume 2 is at version 050. Intel Core Ultra processors have a SKU number 1 or 2, representing the generation, respectively. Identification Information 7 4. 1/14/99 2:13 PM CPUID INTEL CONFIDENTIAL (until publication date)-011 Modified Table 2. 0 DocumentNumber:355828-006US • CPUID instruction updated with additional details on leaf 07H: Intel® Xeon Phi™ only features identified and listed. Intel® Core™ i7 Processor Family for LGA2011 Socket Datasheet – Volume 1 of 2 329366 Intel® Core™ i7 Processor Family for LGA2011 Socket Datasheet – Volume 2 of 2 329367 Document Title Document Number / Location AP-485, Intel® Processor Identification and the CPUID Instruction 241618 Intel® 64 and IA-32 Architecture Software This document contains information on products, services and/or processes in development. The key below details the letters that are used in Intel’s microprocessor Specification Updates: A = Intel® Xeon® processor 7000 sequence C = Intel® Celeron® processor D = Intel® Xeon® processor 2. Support is indicated by CPUID, using ECX feature bit 07. 12/98-012 Modified Figure 1 to add the reserved information for the Intel386 processors. Intel Atom® C5000 and P5000 Product Family Specification Update June 2024 4 Document Number: 731932, Revision: 007US Revision History § Date Revision Description June 2024 007US Updated SNR40. Errata Details 20 6. io Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order. To find the CPUID of a processor model on the Intel ARK website, follow these steps: 1- Go to the Intel ARK w Document Number: 336907-004US Intel® Architecture Memory Encryption Technologies . In the future, the Intel P-SEAMLDR may support th e installation of other SEAM modules. Download as PDF. Therefore, before calling CPUID, the correct input value should be set in EAX Specification (EMTS) Contact your Intel representative for the latest revision. Intel may make changes to specifications and product descriptions at any time, without notice. Code System software can determine whether a processor supports VMX operation using CPUID. Intel’s products and software are intended only to be used in applications that do not cause or contribute to adverse impacts on human rights. ). 80000008H:EAX[bits 15:8] enumerates the number of linear-address bits (the maximum linear-address width) supported by the processor. Oct 5, 2023 · To find the CPUID of a processor model from Intel's website, you can use the Intel® ARK website. pdf | |-- Intel CPUID Specification. Production (SSPEC): SWIRL (Intel logo)TRADEMARK BRANDPROCESSOR NUMBERSSPEC 1 . August 2022 . the Intel Architecture implementation of the CPUID instruction is extensible. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or undefined". Added Intel® Celeron® processor, model 6 entry. , BS93. 1. By taking advantage of the CPUID instruction, software developers can create software applications and tools that can execute compatibly across the widest range of Intel Product Collection Code Name CPUID EOIS Date4 ESU Date4 Processor Numbers 5th Generation Intel® Core™ Processors 5th Generation Intel® Core™ i3 Processors Broadwell 306D4 June 30, 2021 June 30, 2021 i3-5015U,i3-5020U,i3-5157U Not applicable June 30, 2021 i3-5005U, i3-5010U‡ 5th Generation Intel® Core™ i5 Processors Intel, Pentium, Intel Xeon, Intel NetBurst, Intel Core Solo, Intel Core Duo, Intel Core 2 Duo, Intel Core 2 Extreme, Intel Pentium D, Itanium, Intel SpeedStep, MMX, and VTune are trademarks or registered trade- Mar 5, 2025 · The downloadable PDF of the Intel® 64 and IA-32 Architectures Optimization Reference Manual Volume 1 is at version 050, and Volume 2 is at version 050. If CPUID. Specification changes, specification clarifications and documentation changes are removed from the specification update when the appropriate changes are made to the appropriate product specification or user documentation (datasheets, manuals, and so forth. Intel Corporation . Enhanced Intel SpeedStep Technology is enabled by setting IA32_MISC_ENABLE MSR, bit 16. To find the mapping between a processor's CPUID and its Family/Model number, see the Intel® 64 and IA-32 Architectures Software Developer Manual Combined Volumes. Revision 1. Dual-Core Intel® Xeon® Processor 7100 Series Datasheet 314553 Document Title Document Number/Location AP-485, Intel® Processor Identification and the CPUID Instruction 241618 Intel® 64 and IA-32 Intel® Architectures Software Developer's Manual • Volume 1: Basic Architecture • Volume 2A: Instruction Set Reference, A-M 13th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2 Supporting 13th Generation Intel® Core™ Processor for S Processor Line Platforms, formerly known as Raptor Lake Document Number: 341077-005 10th Generation Intel® Core™ Processor Families Datasheet, Volume 1 of 2 Supporting 10th Generation Intel® Core™ Processor Families, Intel® errata removed from the specification update are archived and available upon request. § specifications. Dual-Core Intel® Xeon® Processor 7000 Series Datasheet 309626-003 Document Title Document Number/Location AP-485, Intel® Processor Identification and the CPUID Instruction 241618 Intel® 64 and IA-32 Intel® Architectures Software Developer's Manual • Volume 1: Basic Architecture • Volume 2A: Instruction Set Reference, A-M “Detection of Intel ® Memory Encryption Technologies (Intel ® MKTME) Instructions”. Summary Tables of Changes 12 5. View More Intel® 處理器標識實用程式會報告已測試處理器的 CPUID 信息。 請按照下列步驟作： 下載Intel® 處理器標識實用程式; 打開 Intel® 處理器標識實用程式; 查看 位於實用程式右上角的CPUID值; 以下是使用處理器 165U Intel® Core™ Ultra 7 的示例，CPUID 為 A06A4。. 3 Family 11; 1. Ray Kinsella . Specifically, CPUID. pdf | |-- Intel Advanced Encryption Standard New Instructions (Intel AES-NI) Set White Paper. Specification changes, specification clarifications and documentation changes are The Extended Family, Bits [27:20] are used in conjunction with the Family Code, specified in Bits[11:8], to indicate whether the processor belongs to Intel ® Core™ processor family. The Intel® Processor Identification Utility reports the CPUID information for the tested processors. These clarific ations will be Each Specification Update item is prefixed with a capital letter to distinguish the product. The values returned in EBX, ECX, and EDX for CPUID Fn0000_0000 are the same values returned in EBX, ECX, and EDX for CPUID Fn8000_0000. Authors . Specification changes, specification clarifications, and documentation changes are removed from the specification update when the appropriate changes are made to the appropriate product specification or user documentation (datasheets, manuals, etc. Document: 315168-017 . IPSR May Not Function Correctly. Specification Changes 52 25481 Rev. “2” is Pin 1 indicator on IHS. Under these circumstances, errata removed from the specification update are archived and available upon request. Intel products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or in nuclear facility applications. 1 Feb 22, 2024 · Use this quick reference guide for an overview of Intel® Core™ Processors (14th Gen), including what's new and the spec table. TECHNOLOGY GUIDE . This limit is enumerated by the CPUID instruction. Document Number: 615211-008 10th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2 Supporting 10th Generation Intel® Core™ Processor Families, Intel® Pentium® Processors, Intel® Celeron® Processors for U, H, and S Contact your Intel representative to obtain the latest Intel product specifications and roadmaps Copies of documents which have an order number and are referenced in this document, or other Intel literature, may be obtained by calling 1- Contents 1. 0 Intel 64 processors fulfill system topology enumeration requirements: 1. Note: Processors also limit the size of physical addresses and enumerate the limit using CPUID. To find the mapping between a processor's CPUID and its Family/Model number, see Intel® 64 and IA-32 Architectures Software Developer Manual Combined Volumes. 18 January 2006 CPUID Specification 2 CPUID Function Specification This chapter defines each of the supported CPUID functions, both standard and extended. 25481 Rev. § • CPUID instruction updated with additional details on leaf 07H: Intel® Xeon Phi™ only features identified and listed. Intel® product specifications, features and compatibility quick reference guide and code name decoder. : 819636, Rev. ware module called the Intel Persistent SEAM Loader (Intel P-SEAMLDR) to load and update Intel TDX modules. Intel does not guarantee the availability of these interfaces in any future product. • CPUID instruction updated with additional details on leaf 07H: Intel® Xeon Phi™ only features identified and listed. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non- infringement, as well as any warranty aris ing from course of performance, course of The Extended Family, Bits [27:20] are used in conjunction with the Family Code, specified in Bits[11:8], to indicate whether the processor belongs to the Celeron ®, Pentium ®, or Intel ® Core™ processor family. • Updated short descriptions in the following instructions: VPDPBUSD, PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. VMX[bit 5] = 1, then VMX operation is supported. To find the CPUID of a processor model on the Intel ARK website, follow these steps: 1- Go to the Intel ARK w CPUID leaf name in order to accommodate new bookmarks in the final PDF that will enable readers to jump to any main CPUID leaf of interest. The Intel Core Ultra processor family includes the Intel Core Ultra 9 processor, Intel Core Ultra 7 processor, and Intel Core Ultra 5 processor, indicating a performance tier. Compare products including processors, desktop boards, server products and networking products. Intel® 64 Architecture Processor Topology Enumeration 8 Reference Number: 337015-002, Revision: 2. See Chapter 3, “Instruction Set Reference, A-L‚” of the Intel ® 64 and IA-32 Architectures Software Developer’s Manual, Volume 2A. Contact your Intel errata removed from the specification update are archived and available upon request. Additional specifications, application notes, and technical papers may also be downloaded. Note 2: You can simply attempt to execute the CPUID instruction and see if you get an invalid opcode exception. Current characterized errata are available on request. Where there are multiple initial EAX values, those values have been tagged so they will show up underneath the main CPUID leaf name in the final PDF. 0 DocumentNumber:355828-001US Intel® Xeon® Processors Enable scalable performance with Intel® Xeon® 6 processors with Performance-cores (P-cores) and Efficient-cores (E-cores) for data centers, servers, the edge, and networking. Errata remain in the specification update throughout the product’s lifecycle, or until a particular stepping is no longer commercially available. Chris MacNamara . § The CPUID field is a copy of the results in EAX[15:0] from Function 1 of the CPUID instruction. c example code to check for, and identify, the Intel Celeron processor, model 6. Specification changes, specification clarifications and documentation changes are May 2, 2019 · Revision History 4 Intel® Xeon® D-1500/D-1500 NS and Intel® Xeon® D-1600 NS Processor Families May 2022 Specification Update Revision History Revision Description Date 026US Added BDE125. Processor Based on UP4 Processor Line Multi-Chip Package BGA Top-Side Markings. Preface 5 3. These changes will be incorporated in any new release of the specification. The CPUID field is a copy of the results in EAX[15:0] from Function 1 of the CPUID instruction. Apr 30, 2025 · For example, the CPUID for Intel® Core™ Ultra 7 Processor 165U is A064A4. Jun 22, 2023 · This document contains the following: Volume 1: Describes the architecture and programming environment of processors supporting IA-32 and Intel® 64 architectures. Intel | Data Center Solutions, IoT, and PC Innovation Note: Errata remain in the specification update throughout the product’s lifecycle, or until a particular stepping is no longer commercially available. 1 INTRODUCTION The xAPIC architecture provided a key me chanism for interrupt delivery in many generations of Intel processors and platforms across different market segments. , BDE126. : 010 Intel®AdvancedPerformanceExtensions (Intel®APX) ArchitectureSpecification July2023 Revision1. Enhanced Intel SpeedStep Technology are discr ete transitions to a new target frequency. pdf | `-- Intel Virtualization Technology FlexMigration 获取设计、开发和实施采用英特尔® 技术的硬件解决方案所需的资源、文档和工具。 Document Number: 336907-004US Intel® Architecture Memory Encryption Technologies . Oct 15, 2024 · Wir bauen uns folglich eine eigene Klasse für die Prozessorermittlung, die allerdings nicht vollständig auf CPUID aufsetzt. 4 • CPUID instruction updated with additional details on leaf 07H: Intel® Xeon Phi™ only features identified and listed. published specifications. errata removed from the specification update are archived and available upon request. Describes the format of the instruction and provides reference pages for instructions. sourceforge. Contact your Intel 5 representative to obtain the latest Intel product specifications and roadmaps. Figure 2-2. • CPUID instruction updated with new Intel® SGX features in leaf 12H. all notes associated with each S-Spec number. 13th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2 Supporting 13th Generation Intel® Core™ Processor for S/P/PX/H/HX/U Processor Line Platforms, formerly known as Raptor Lake See full list on bochs. Specification changes, specification clarifications and documentation changes are removed from the specification update when the appropriate changes are made to the appropriate product specification or user documentation (datasheets, manuals, etc. Each logical processor in an Intel 64 or IA-32 platform supporting coherent memory is assigned a unique ID (APIC ID) within the coherent domain. All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice. 1:ECX. : 655258, Rev. Mar 12, 2025 · 4th Gen Intel® Xeon® Processor Scalable Family. , BS94. • CPUID instruction updated with new Intel® SGX features in leaf Refer table above for the processor stepping ID number in the CPUID information. 4 Pentium® III Processor for the PGA370 Socket at 500 MHz to 1. This application note explains how to use the CPUID instruction in software applications, BIOS implementations, and various processor tools. Feb 22, 2024 · Intel® Core™ Processors (14th Gen) - Quick Reference Guide (PDF)-Non-NDA Use this Quick reference guide for an overview of Intel® Core™ Processors (14th Gen), including what's new and the spec table. 2 INTEL® TDX MODULE AND INTEL P-SEAMLDR MODULE The Intel TDX module and the Intel P- SEAMLDR module execute out of a rang e of memory defined using a SEAM range register (SEAMRR) interface. In assembly programming language, CPUID can be used directly as it will use the value stored in EAX and ECX. Pin Count: 1744 Package Size: 50mm x 25mm. 1-1 INTRODUCTION CHAPTER 1 INTRODUCTION 1. Note: Errata remain in the specification update throughout the product’s lifecycle, or until a particular stepping is no longer commercially available. pdf | |-- Intel Carry-Less Multiplication Instruction and its Usage for Computing the GCM Mode White Paper. • Updated short descriptions in the following instructions: VPDPBUSD, ware module called the Intel Persistent SEAM Loader (Intel P-SEAMLDR) to load and update Intel TDX modules. Performance results are based on testing as of dates shown in configurations and may not reflect all publicly available updates. 80 GHz E = Intel® Pentium® III processor published specifications. By design, access to this range is restricted to SEAM VMX root operation. Beware that older versions of the Intel app note 485 contain some misleading information, particularly with respect to identifying and counting cores in a multi-core processor; [91] errors from misinterpreting this information have even been incorporated in the Microsoft sample code for using CPUID, even for the 2013 edition of Visual Studio Technology (Intel® RDT) Architecture Specification January 2025 Revision 1. Revision 017. Processor Based on H/P Processor Line Chip Package BGA Top-Side Markings. Intel® AVX-512 - Instruction Set for Packet Processing . Prioritize performance for demanding workloads or prioritize efficiency to help reduce costs in scalable environments. Contact your Intel representative to obtain the latest Intel product specifications and roadmaps. | |-- Intel 64 Architecture x2APIC Specification. 2. • Chapter 2: Added the PBNDKB, updated PCONFIG, We would like to show you a description here but the site won’t allow us. • CPUID instruction updated with new Intel® SGX features in leaf SWIR1: Intel ® logo Note: “1” is used to extract the unit visual ID (2D ID). As such, Intel® APX is another evolutionary change within the x86 ecosystem, and any programs that are to make use of Intel® APX features, should be able to transparently interact with programs that might not make use of Intel® APX features, and pre-date Intel® APX-featured platforms. Specification changes, specification clarifications, and documentation changes are 13th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2 Supporting 13th Generation Intel® Core™ Processor for S/P/PX/H/HX/U Processor Line Platforms, formerly known as Raptor Lake chapter3. : 001 Intel®AdvancedPerformanceExtensions (Intel®APX) ArchitectureSpecification January,2025 Revision6. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or Enhanced Intel SpeedStep Technology are discr ete transitions to a new target frequency. Specification Clarifications describe a specification in greater detail or further highlight a specification’s impact to a complex design situation. instructiontable mnemonic operands encspace cpuid 1stintercept vaddph zmm1,zmm2,zmm3/m512 evex avx512-fp16 spr vaddph xmm1,xmm2,xmm3/m128 evex avx512-fp16,avx512vl spr R 12th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2 Rev. Added note to identify Intel® Celeron® processor, model 5 in section 3. Specification changes, specification clarifications, and documentation changes are 1-1 INTRODUCTION CHAPTER 1 INTRODUCTION 1. conjunction with the Intel Architecture as follows: 1 Originally, Intel published code sequences that could detect minor implementation or architectural differences to identify processor generations. 13th Generation Intel® Core™, Intel® Core™ 14th Generation, Intel® Core™ Processor (Series 1) and (Series 2), and Intel® Xeon™ E 2400 Processor Datasheet, Volume 1 of 2 显示数字的最后五位数字代表处理器的 CPUID。 例如英特尔® Core™ Ultra 7处理器 165U 的 CPUID 是 A064A4。 选项#2：英特尔® 处理器标识实用程序. // Intel is committed to respecting human rights and avoiding causing or contributing to adverse impacts on human rights. See Intel’s Global Human Rights Principles. 1 CPUIDs. • CPUID instruction updated with new PCONFIG information sub-leaf 1BH. 5 mm x 18. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non- infringement, as well as any warranty aris ing from course of performance, course of “Detection of Intel ® Memory Encryption Technologies (Intel ® MKTME) Instructions”. 28 April 2008 CPUID Specification 1. 5 m . 2. 26 July 2007 CPUID Specification 1. May 2, 2019 · Errata remain in the specification update throughout the product’s lifecycle, or until a particular stepping is no longer commercially available. There are also CPUs that support CPUID if and only if it has to be enabled first (Cyrix M1). All products, dates, and figures specified are preliminary, based on current expectations, and are subject to change without notice. Revision History 4 2. • Updated short descriptions in the following instructions: VPDPBUSD, Intel Confidential – CNDA required 5 Performance varies by use, configuration, and other factors. Das hängt damit zusammen, dass bestimmte Funktionen ab einem bestimmten Punkt so herstellerspezifisch wurden, dass man für Intel, AMD und andere Hersteller jeweils eigene Anpassungen vornehmen müsste. Modified cpuid3b. Learn more on the Performance Index site. The opcode of CPUID is 0Fh, A2h (= A20Fh). Modified Table 2. Georgii Tkachuk Specification Update 4 Revision History Revision Description Date 001 • Initial Release November 2011 002 • Added Errata - BS92. Specification . Refer to Processor BIOS Specification for additional information. Intel Core Ultra mobile processors have suffixes H, U, or V. Pin Count: 1598 Package Size: 26. created before such extensions were released and known. Intel ® Celeron Processor 500 Series for Platforms Based on Mobile Intel® 965 Express Chipset Family Datasheet 316205 Related Documents Document Title (Doc number) Location Intel® 64 and IA-32 Architectures Software Developer's Manual Documentation Changes (Doc published specifications. Support is indicated by CPUID, using ECX feature bit 07 . On reset, bit 16 of IA32_MISC_ENABLE MSR is cleared. This website contains detailed information about all Intel processors, including their CPUID. Writes to this register have no effect. Intel reserves these for future definition Intel® Celeron® Processor J3355, J3455, N3350, N3450 Intel® Atom® Processor x5-A3930, x5-A3940, x7-A3950, x7-A3960 Intel® Atom® Processor x5-E3930, x5-E3940, x7-E3950 Desktop Mobile Embedded 506C9 03 Yes Production 0x32 0x38 Apollo Lake Intel® Atom® Processor E3900 Series • CPUID instruction updated with additional details on leaf 07H: Intel® Xeon Phi™ only features identified and listed. The products described might contain design defects or errors known as errata, which might cause the product to deviate from published Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 2A: Instruction Set Reference, A-L NOTE: The Intel® 64 and IA-32 Architectures Software Developer's Manual consists of ten volumes: CPUID Specification document for Intel; CPUID Specification document for AMD; Calling CPUID instruction in Assembly. Specification Clarifications describe a specification in greater detail or further highlight a specification’s impact to a comple x design The CPUID field is a copy of the results in EAX[15:0] from Function 1 of the CPUID instruction. Intel, Pentium, Intel Xeon, Intel NetBurst, Intel Core Solo, Intel Core Duo, Intel Core 2 Duo, Intel Core 2 Extreme, Intel Pentium D, Itanium, Intel SpeedStep, MMX, and VTune are trademarks or registered trade-marks of Intel Corporation or its subsidiaries in the United States and other countries. Specification changes, specification clarifications, and documentation changes are removed from the specification update when the appropriate changes are made to the appropriate product specification or user documentation (datasheets, manuals, and so on). 2 Document Number: 356688-002US, Revision: 1. Measured Launch Environment Developer’s Guide . Option#2: Intel® Processor Identification Utility. , BDE127. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non- infringement, as well as any warranty aris ing from course of performance, course of 1-1 INTRODUCTION CHAPTER 1 INTRODUCTION 1. 2 Later, with the advent of the Intel386 processor, Intel implemented processor signature identification which provided the processor family Contact your Intel representative to obtain the latest Intel product specifications and roadmaps Copies of documents which have an order number and are referenced in this document, or other Intel literature, may be obtained by calling 1- errata removed from the specification update are archived and available upon request. Volume 2: Includes the full instruction set reference, A-Z. 2 Family 15; 1. The Extended Family, bits [27:20] are used in conjunction with the Family Code, specified in bits [11:8], to indicate whether the processor belongs to the Intel386™, Intel486™, Pentium®, Pentium® Pro, Pentium® 4, Intel® Core™ processor families, Intel® Core™ ix families, and Intel® Xeon® processor families. Specification changes, specification clarifications, and documentation changes are 1. • Updated short descriptions in the following instructions: VPDPBUSD, Refer table above for the processor stepping ID number in the CPUID information. 0 DocumentNumber:355828-001US Intel®AdvancedPerformanceExtensions (Intel®APX) ArchitectureSpecification July2023 Revision1. Apr 9, 2025 · Below is a list of Intel's CPUID broken down by their respective core names and microarchitecture: Contents. 1 Specification Changes are modifications to the current published specifications. Enhanced Intel SpeedStep Technology is enabled by setting IA32_MISC_ENABLE MSR, bi t 16. 4 CPUID Function Selection The CPUID instruction provides proce ssor feature capabilities and configura tion information. Data format is hexadecimal. 该英特尔® 处理器标识实用程序报告受测试处理器的 CPUID 信息。 按照以下步骤进行作： 下载英特尔® 处理器标识实用程序 25481 Rev. 1 Family 19; 1. Volume 3: Includes the full system programming guide, parts 1, 2, 3, and 4. to ICX169. All information provided here is subject to change without notice. This information is accessed by (1) loading the functio n number into EAX, (2) executing th e CPUID instruction, and (3) reading the results stored in EAX, EBX, ECX, and EDX. , BDE129. , BDE128. Describes Errata Details SPR1. 4 3rd Gen Intel® Xeon® Scalable Processors Specification Update Revision History Date Revision Description April 2024 024us Added erratum ICX168. Existing processors enumerate this value as 48. 1 . Production (SSPEC): Intel logo BRAND PROC# SPEC SPEED {FPO} {eX} Note: “1” is used to extract the unit visual ID (2D ID without notice. 010 February 2023 Doc. Problem: Poison created within the Internal memory controller may not log the correct system address when operating in the following modes of operation, 1-clock gating enabled, 2-channel XOR is enabled, and 3 Intel® Optane™ two-level memory. Follow steps below: Download the Intel® Processor Identification Utility; Open the Intel® Processor R Intel® Core™ Ultra Processors (PS Series) Datasheet Rev. 001 April 2024 Doc. Software Development Guide . On Intel® Xeon® 4th Gen Scalable processors (code name Sapphire Rapids), LEGACY_XAPIC_DISABLED is a requirement for some platform features, such as Intel® Software Guard Extensions (Intel® SGX) and Intel® Trust Domain Extensions (Intel® TDX), and LEGACY_XAPIC_DISABLED will be set if the processor is in x2APIC mode when the BIOS Intel orporation (“Intel”) provides these materials as-is, with no express or implied warranties. 13 GHz Datasheet Revision 8 Product Features The Pentium® III processor is designed for high-performance desktops and for workstations and AP-485, Intel® Processor Identification Utility and the CPUID Instruction Note 1 Intel® Advanced Vector Extensions Programming Reference Note 1 Intel® Trusted Execution Technology Server Extensions (LT-SX) BIOS Specification Note 1 Intel® 64 and IA-32 Architecture Software Developer’s Manual1 • Volume 1: Basic Architecture Oct 5, 2023 · To find the CPUID of a processor model from Intel's website, you can use the Intel® ARK website. When EAX is initialized to a value of ‘1’, the CPUID instruction returns the Extended Family, Extended Model, Processor Type, Family Code, Model Number and Stepping ID value in the EAX register. asm and cpuid3. No. Specification Changes are modifications to the current published specifications. Intel® Trusted Execution Technology (Intel® TXT) . Refer table above for the processor stepping ID number in the CPUID information. 4 See the following for full 4th Gen Intel® Xeon® Processor XCC/MCC content: 4th Gen IIntel® Xeon® Processor Scalable Family, Specification Update, document number 772415 . uqob ygrmnj gzlw qthltbqk pag xfsv ramkv qfxtpjuh xhlrhb gevh