Intel Xeon Processor and Intel E7500/E7501Chipset Compatible Platform Design Guide

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Intel

Xeon™ Processor and Intel

E7500/E7501 Chipset Compatible Platform Design Guide 23

Introduction

NOTES:

1. This data is provided for comparison only; refer to the Intel

Xeon™ Processor Datasheet for actual

specifications

The Intel Xeon processor with 512-KB L2 cache and Intel Xeon processor with 533 MHz system

bus include the following advanced microarchitecture features:

• Hyper-Pipelined Technology

• Advanced Dynamic Execution

• Execution Trace Cache

• Streaming SIMD (Single Instruction, Multiple Data) Extensions 2

• Advanced Transfer Cache

• Enhanced Floating Point and Multimedia Engine

The system bus uses a source-synchronous transfer of address and data to improve performance

and enables addressing at 2X the system bus frequency and data transfers at 4X the system bus

frequency of 100 MHz or 133 MHz. This allows the 400 MHz system bus support to transfer data

at 3.2 GB/s for the Intel Xeon processor with 512-KB L2 cache, and the 533 MHz system bus

support to transfer data at 4.27 GB/s for the Intel Xeon processor with 533 MHz system bus.

1.3.2 Intel

E7500/E7501 Chipset

The E7500/E7501 chipset consists of three major components: the Intel

E7500/E7501 chipset

Memory Controller Hub (referred to throughout this document as the MCH), the Intel

82801CA

I/O Controller Hub 3 (hereafter referred to as ICH3-S), and the Intel

82870P2

PCI/

PCI-X 64-bit

Hub 2 (abbreviated to P64H2). The chipset components communicate via hub interfaces (HIs). The

MCH provides four hub interface connections: one for the ICH3-S and three for high-speed I/O

using 82870P2 P64H2 components. The hub interfaces are point-to-point and therefore only

support two components (the MCH plus one I/O device). Therefore, the system supports a

maximum of three P64H2 devices.

Table 1-4. Processor Feature Set Overview

Feature

Intel

Xeon™ Processor with 512-KB

L2 Cache (INT-mPGA Package)

Intel

Xeon™ Processor with

533 MHz System Bus

(FC-mPGAs Package)

Processor System Bus (PSB) 400 MHz 533 MHz

Data Bus Transfer Rate 3.2 GB/s 4.27 GB/s

Manageability Features

PIROM, Scratch EEPROMs and

Thermal Sensor on Package

Direct Thermal Diode Access

Operating Voltage 1.500 V

Socket 603-Pin Socket and mPGA604 Socket mPGA604 Socket Only

Package Dimensions

X-Y: 53.5 mm

Z: 5.0 mm

X-Y: 42.5 mm

Z: 3.6 mm