EPOX An Intel Socket 478 Processor Based Mainboard (400/533MHz) Manuale Utente Scaricare il pdf (Pagina 9)

Introduction

Page 1-5

Hyper Pipelined Technology & 400/533MHz System Bus

Hyper Pipelined Technology doubles the pipeline depth the Pentium 4 delivers to

20 stages. This significantly increases the performance and frequency capabilities.

Pentium 4 also introduces a 400/533MHz system bus as opposed to the 100 and

133MHz bus seen in previous Pentium III processors. This allows 3.2Gbytes per

second of throughput while the Pentium III had a limited 1.06Gbyte/s throughput.

Willamette will reportedly be introduced in the 0.18-micron using aluminum.

Hyper-Threading Technology

Hyper-Threading Technology is a new features in the IA-32 Intel Architecture that

provides a performance boost for future Intel-32 processors based on the Intel

NetBurst

micro architecture. This technology enables a single processor to run

two separate threads simultaneously, this arrangement looks like two processors.

Hyper-Threading Technology makes a single physical processor appear as multiple

logical processors, there is one copy of the architecture state for each logical

processor, and the logical processor share a single set of physical execution

resources. From a software or architecture perspective, this means operating

systems and user programs can schedule processors or threads to logical proces-

sors as they would on conventional physical processors in a multi-processor

system. From a micro architecture perspective , this means that instructions form

logical processors will persist and execute simultaneously on shared execution

resources.

For more information about all the new features the Pentium 4 delivers check

out the Intel website at http://www.intel.com

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EPOX An Intel Socket 478 Processor Based Mainboard (400/533MHz) Manuale Utente Pagina 9