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Preface
Preface
This document is an update to the specifications contained in the documents listed in the following Affected Documents/Related Documents table. It is a compilation of device and document errata and specification clarifications and changes, and is intended for hardware system manufacturers and for software developers of applications, operating system, and tools.
Information types defined in the Nomenclature section of this document are consolidated into this update document and are no longer published in other documents. This document may also contain information that has not been previously published.
It is intended for hardware system manufacturers and software developers of applications, operating systems, or tools. It contains S-Specs, Errata, Documentation Changes, Specification
Clarifications and Specification Changes.
Affected Documents
Document Title Document Number
Intel
®
Pentium
®
4 Processor in the 423-pin Package datasheet 249198-005 http://developer.intel.com/design/ pentium4/datashts/249198.htm
Intel
®
Pentium
®
4 Processor in the 478-pin Package datasheet 249887-003 http://developer.intel.com/design/ pentium4/datashts/249887.htm
Intel
®
Pentium
®
4 Processor with 512-KB L2 Cache on 0.13 Micron
Process and Intel
®
Pentium
®
4 Processor Extreme Edition Supporting
Hyper-Threading Technology
1
datasheet
298643-012 http://developer.intel.com/design/ pentium4/datashts/298643.htm
Intel® Pentium® 4 Processor Extreme Edition on 0.13 Micron Process
in the 775-land Package datasheet
302350
-001 http://intel.com/design/Pentium4/ datashts/302351.htm
NOTES:
1. Hyper-Threading Technology requires a computer system with an Intel
®
Pentium
®
4 processor supporting
HT Technology and a Hyper-Threading Technology enabled chipset, BIOS and operating system.
Performance will vary depending on the specific hardware and software you use. See <<http:// www.intel.com/info/hyperthreading/>> for more information including details on which processors support
HT Technology.
Intel
®
Pentium
®
4 Processor Specification Update 9
Preface
Related Documents
Document Title
IA-32 Intel
®
Architecture Software Developer's Manual Volume 1:
Basic Architecture, document 253665
IA-32 Intel
®
Architecture Software Developer's Manual Volume 2A:
Instruction Set Reference Manual A–M, document 253666
IA-32 Intel
®
Architecture Software Developer's Manual Volume 2B:
Instruction Set Reference Manual, N–Z, document 253667
IA-32 Intel
®
Architecture Software Developer's Manual Volume 3:
System Programming Guide, document 253668
Intel® Extended Memory 64 Technology Software Developer’s
Guide Vol 1
Intel® Extended Memory 64 Technology Software Developer’s
Guide Vol 2
Document Number
http://developer.intel.com/design/pe ntium4/manuals/index_new.htm
http://developer.intel.com/design/pe ntium4/manuals/index_new.htm
http://developer.intel.com/design/pe ntium4/manuals/index_new.htm
http://developer.intel.com/design/pe ntium4/manuals/index_new.htm
http://developer.intel.com/technology
/64bitextensions/300834.htm
http://developer.intel.com/technology
/64bitextensions/300835.htm
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Nomenclature
S-Spec Number is a five-digit code used to identify products. Products are differentiated by their unique characteristics, e.g., core speed, L2 cache size, package type, etc. as described in the processor identification information table. Care should be taken to read all notes associated with each S-Spec number
Errata are design defects or errors. Errata may cause the Intel
®
Pentium
®
processor’s behavior to deviate from published specifications. Hardware and software designed to be used with any given stepping must assume that all errata documented for that stepping are present on all devices.
Specification Changes are modifications to the current published specifications. These changes will be incorporated in the next release of the specifications.
Specification Clarifications describe a specification in greater detail or further highlight a specification’s impact to a complex design situation. These clarifications will be incorporated in the next release of the specifications.
Documentation Changes include typos, errors, or omissions from the current published specifications. These changes will be incorporated in the next release of the specifications.
10
Intel
®
Pentium
®
4 Processor Specification Update
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