Technical Reference Guide

Chapter 3

PROCESSOR/

MEMORY SUBSYSTEM

3.Chapter 3 PROCESSOR/MEMORY SUBSYSTEM

3.1INTRODUCTION

This chapter describes the processor/memory subsystem. These systems feature the AMD Athlon XP processor and an NVidia NForce chipset (Figure 3-1).

Athlon XP

Processor

 

 

64-Bit FSB

 

Cntl

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FSB I/F

 

 

 

 

 

GPU

 

 

 

Memory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGP

 

 

 

 

 

 

 

 

 

Cntlr.

 

 

AGP

 

 

 

 

 

 

 

 

 

 

 

 

 

I/F

 

 

 

 

 

 

 

 

HT I/F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Bus [1]

System Memory

XMM1 XMM2

 

DIMM

 

 

 

DIMM

 

 

 

 

 

 

 

In

 

 

 

Socket

 

 

 

 

 

 

Socket

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Covered in chapter 6.

Covered in chapter 4

[1]D315, 64-bit; d325, 128-bit (max)

Figure 3–1.Processor/Memory Subsystem Architecture

This chapter includes the following topics:

 

♦ AMD Athlon XP processor (3.2)

page 3-2

Memory subsystem (3.3)

page 3-5

Subsystem configuration (3.4)

page 3-8

Compaq D315 and hp d325 Personal Computers 3-1

Featuring the AMD Athlon XP Processor

Second Edition - April 2003

Page 43
Image 43
HP D315 manual Fsb I/F Gpu, Agp Ht I/F, XMM1 XMM2 Dimm