September 1998 Order Number: 243792-00 Information this document

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Pentium® XeonProcessor Technology Brief
September 1998 Order Number: 243792-00
Information this document provided connection with Intel products. license, express implied, estoppel otherwise, intellectual property rights granted this document. Except provided Intel's Terms Conditions Sale such products, Intel assumes liability whatsoever, Intel disclaims express implied warranty, relating sale and/or Intel products including liability warranties relating fitness particular purpose, merchantability, infringement patent, copyright other intellectual property right. Intel products intended medical, life saving, life sustaining applications. Intel make changes specifications product descriptions time, without notice. Designers must rely absence characteristics features instructions marked "reserved" "undefined." Intel reserves these future definition shall have responsibility whatsoever conflicts incompatibilities arising from future changes them. Pentium® Xeonprocessor contain design defects errors known errata which cause product deviate from published specifications. Current characterized errata available request. MPEG international standard video compression/decompression promoted ISO. Implementations MPEG CODECs, MPEG enabled platforms require licenses from various entities, including Intel Corporation. Contact your local Intel sales office your distributor obtain latest specifications before placing your product order. Copies documents which have ordering number referenced this document, other Intel literature, obtained calling 1-800-548-4725 visiting Intel's website http://www.intel.com Copyright Intel Corporation1998. *Third-party brands names property their respective owners.
TABLE CONTENTS: PENTIUM® XEONPROCESSOR.4
Product Background. Powerful Caching Demanding Applications Advanced Manageability Features. Thermal Protection Error Checking Correcting (ECC) Functional Redundancy Checking (FRC) System Management (SMBus) Features Address Market Segment Needs
PENTIUM® XEONPROCESSOR
Product Background
newest addition Intel's Pentium® brand, Pentium® Xeonprocessor, Intel's first microprocessor specifically designed mid-range higher server workstation platforms. Pentium Xeon processor combines several premium characteristics: architectural compatibility previous Intel microprocessor generations; Dynamic Execution Dual Independent architecture Pentium processor; several features designed make this processor right choice powerful workstation, advanced server management, mission-critical applications.
Powerful Caching Demanding Applications
Because server workstation applications place heavy demands processor's cache architecture, Pentium® Xeonprocessor available with large, fast Level (L2) caches. cache sizes Kbytes Mbyte integrated into processor cartridge full operating speed processor core (400 MHz). processor's Dual Independent architecture combines large, fast cache with system allow unprecedented transaction computing power. This accomplished greater peak bandwidth made available processor core: gigabytes/sec data available processor core Pentium Xeon processor 450MHz. comparison, Pentium processor operating MHz, designed entry-level mid-range workstations servers, provides maximum peak bandwidth processor core gigabytes/sec.
Advanced Manageability Features
Continuously monitoring every server platform within organization costly proposition. Platform manageability maintaining robust environment, maximizing up-time ensuring optimal configuration operation servers. Pentium® Xeonprocessor enhances ability server platforms cost effectively monitor protect product environment.
Thermal Protection
Pentium® Xeonprocessor helps protect itself from adverse thermal conditions, such failure cooling blocked intake providing core thermal data system management software. Precise core data enables system track environmental conditions against manufactured specifications take necessary corrective action (e.g. start cooling fans system, alert operator, etc.). This prevents damage processor system, protecting customer's investment.
Error Checking Correcting (ECC)
addition parity checking address transaction response system signals, Pentium® Xeonprocessor supports data signals cache system transactions. This functionality protects mission-critical data, automatically correcting single-bit errors alerting system double-bit errors. errors logged, Pentium Xeon processor-based system track error rates identify failing components within system.
Functional Redundancy Checking (FRC)
Pentium® Xeonprocessor supports full FRC, where processor pair acts same data increase integrity critical application. pair, processor acts master, other checker. checker signals system detects differences between processors' outputs.
System Management (SMBus)
first Intel microprocessor incorporate System Management interface, Pentium® Xeonprocessor adds several manageability functions Intel product line. Inside cartridge, three components have been added which this interface communicate with other system management hardware software: precision thermal sensor that attaches on-core thermal diode, containing information about specific processor which resides (a.k.a. Processor Information ROM, P.I. ROM), Scratch Electrically Erasable Programmable Read-Only Memory (EEPROM), which system vendor record data about system processor itself. Scratch EEPROM write-protected system.
Thermal Sensor: thermal sensor Pentium® Xeonprocessor substrate interfaces: thermal diode processor core SMBus communication with system management hardware software. thermal diode precision device that allows thermal sensor monitor changes processor core's thermal data. Changes thermal data carefully tracked, alarms automatically notify system specialized signal thermal specifications risk being exceeded. This allows thermal monitoring solution protect both processor application data. Protective action initiated system management software include turning cooling fans within system, alerting operator, and/or flushing data from processor's cache prior initiating graceful shutdown procedures.
Processor Information ROM: second device Pentium® Xeonprocessor SMBus Read-Only Memory (ROM) that contains wide variety operational specifications, feature data, tracking information. Among data are:
Robust addressing headers allow flexible programming forward compatibility Processor QDF/S-spec number production status Core information, including CPUID, maximum frequency, voltage, voltage tolerance cache information, including size, number components, voltage, voltage tolerance Cartridge substrate revision information 64-bit processor number Thermal reference information temperature tracking Processor core cartridge feature flags
Scratch EEPROM: Pentium® Xeonprocessor also contains EEPROM device that contains data when shipped from Intel's factory. System manufacturers processor resellers this EEPROM include whatever data they wish. also used system track various information about system processor, including system specifications, inventory service tracking, installation defaults, environment monitoring, usage data, anything else system manufacturer finds useful.
Features Address Market Segment Needs
Pentium® Xeonprocessor illustrates Intel Corporation's commitment midrange higher workstation server market segments. offering distinct branded processor that addresses processing requirements mission-critical nature both market segments, along with advanced server management features, Intel Corporation continues trend offering best solution meet market segment needs.
UNITED STATES, Intel Corporation 2200 Mission College Blvd., P.O. 58119, Santa Clara, 95052-8119 Tel: 765-8080 JAPAN, Intel Japan K.K. Tokodai, Tsukuba-shi, Ibaraki-ken 300-26 Tel: 81-29847-8522 FRANCE, Intel Corporation S.A.R.L. Quai Grenelle, 75015 Paris Tel: 1-45717171 UNITED KINGDOM, Intel Corporation (U.K.) Ltd. Pipers Way, Swindon, Wiltshire, England Tel: 1-793-641440 GERMANY, Intel GmbH Dornacher Strasse 85622 Feldkirchen/ Muenchen Tel: 89/99143-0 HONG KONG, Intel Semiconductor Ltd. 32/F Pacific Place, Queensway, Central Tel: +852 2844-4555 CANADA, Intel Semiconductor Canada, Ltd. Attwell Drive, Suite Rexdale, Ontario Tel: +416 675-2438
Printed USA/96/POD/PMG

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