Introduction

The Quad-Core Intel® Xeon® Processor 5300 Series are 64-bit server/workstation processors utilizing four Intel Core™ microarchitecture cores. These processors are based on Intel’s 65 nanometer process technology combining high performance with the power efficiencies of low-power Intel Core™ microarchitecture cores. The Quad-Core Intel® Xeon® Processor 5300 Series consists of two die, each containing two processor cores. All processors maintain the tradition of compatibility with IA-32 software. Some key features include on-die, 32 KB Level 1 instruction data caches per core and 4 MB shared Level 2 cache per die (8 MB Total Cache per processor) with Advanced Transfer Cache Architecture. The processor’s Data Prefetch Logic speculatively fetches data to the L2 cache before an L1 cache requests occurs, resulting in reduced bus cycle penalties and improved performance. The 1333 MHz Front Side Bus (FSB) is a quad-pumped bus running off a 333 MHz system clock, which results in 10.6 GBytes per second data transfer. The 1066 MHz Front Side Bus is based on a 266 MHz system clock for an 8.5 GBytes per second data transfer rate. The Quad-Core Intel® Xeon® Processor X5300 Series offers higher clock frequencies than the Quad-Core Intel® Xeon® Processor E530 Series for platforms that are targeted for the performance optimized segment. The Quad-Core Intel® Xeon® Processor L5300 Series is a lower voltage, lower power processor intended for ultra dense platforms.

Enhanced thermal and power management capabilities are implemented including Thermal Monitor 1 (TM1), Thermal Monitor 2 (TM2) and Enhanced Intel SpeedStep® Technology. TM1 and TM2 provide efficient and effective cooling in high temperature situations. Enhanced Intel SpeedStep® Technology provides power management capabilities to servers and workstations.

The Quad-Core Intel® Xeon® Processor 5300 Series features include Advanced Dynamic Execution, enhanced floating point and multi-media units, Streaming SIMD Extensions 2 (SSE2) and Streaming SIMD Extensions 3 (SSE3). Advanced Dynamic Execution improves speculative execution and branch prediction internal to the processor. The floating point and multi-media units include 128-bit wide registers and a separate register for data movement. SSE3 instructions provide highly efficient doubleprecision floating point, SIMD integer, and memory management operations.

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