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2.2 System Core
2.2.1
Processors
The Intel® Xeon™ processor with 800 MHz system bus is designed for high-performance. Based on
the Intel® NetBurst™ microarchitecture and the Hyper-Threading Technology, it is binary
compatible with previous Intel Architecture (IA-32) processors.
The Intel Xeon processor with 800 MHz system bus delivers compute power at unparalleled value
and flexibility for powerful workstations, internet infrastructure, and departmental server
applications. The Intel NetBurst micro-architecture and Hyper-Threading Technology deliver
outstanding performance and headroom for peak internet server workloads, resulting in faster
response times, support for more users, and improved scalability.
The following list provides some of the key features on this processor:
Intel LV Xeon 2.80GHz
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90 nm process technology
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Binary compatible with applications running on previous members of
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Intel's IA-32 microprocessor line
Intel® NetBurst™ micro-architecture
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Hyper-Threading Technology
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Hardware support for multithreaded applications
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Faster 800 MHz system bus
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Rapid Execution Engine: Arithmetic Logic Units (ALUs) run at twice the
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processor core frequency
Hyper Pipelined Technology
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Advanced Dynamic Execution
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Very deep out-of-order execution
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Enhanced branch prediction
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Includes 16-KB Level 1 data cache
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Intel® Extended Memory 64 Technology
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1-MB Advanced Transfer Cache (On-die, full speed Level 2 (L2) Cache) with
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8-way associativity and Error Correcting Code (ECC)
Enables system support of up to 64 GB of physical memory
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144 Streaming SIMD Extensions 2 (SSE2) instructions
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13 Streaming SIMD Extensions 3 (SSE3) instructions
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Enhanced floating-point and multimedia unit for enhanced video, audio,
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encryption, and 3D performance
System Management mode
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Thermal Monitor
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Machine Check Architecture (MCA)
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Demand-Based Switching (DBS) with Enhanced Intel SpeedStep®
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Technology
EMT64 ...
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2-12
AT8001 User's Guide
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