Chapter 3 Processor/Memory Subsystem; Introduction; Processor; Figure 3-1. Processor /Memory - HP Deskpro EX Technical Reference Manual

Chapter 3

PROCESSOR/

MEMORY SUBSYSTEM
3.

Chapter 3 PROCESSOR/MEMORY SUBSYSTEM

3.1

INTRODUCTION

This chapter describes the processor/cache memory subsystem of Compaq Deskpro EX Personal
Computers. These systems feature a Celeron or Pentium III processor and the 815 chipset (Figure
3-1). Each system supports one or two SDRAM DIMMs and implements the 82815 GMCH's
integrated i740 3D graphics controller (covered in Chapter 6).
Processor
64-Bit FSB
FSB I/F
i740
Graphics
Cntlr.
Hub I/F
May be populated with optional DIMM
Covered in Chapter 6
Covered in Chapter 4
Figure 3–1. Processor/Memory Subsystem Architecture
This chapter includes the following topics:
Processor [3.2]
Memory subsystem [3.3]
Subsystem configuration {3.4] page 3-8
Cntl
133-MHz
Memory Bus
82815
SDRAM
GMCH
Cntlr.
page 3-2
page 3-5
Compaq Deskpro EX Series of Personal Computers
First Edition - August 2000
Technical Reference Guide
System Memory
XMM1 XMM2
DIMM
Socket
In
Socket
3-1