HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition

Technical Reference Guide www.hp.com 3-1

Processor/Memory Subsystem

3.1 Introduction

This chapter describes the processor/memory subsystem. These systems feature the Intel

Pentium 4 processor and the 945G chipset (Figure 3-1). The dx7200 and dc7600 models support

PC2-4200 DDR2 DIMMs.

Figure 3-1. Processor/Memory Subsystem Architecture

This chapter includes the following topics:

■

Pentium 4 processor (3.2), page 3-2

■

Memory subsystem (3.3), page 3-4

Pentium 4

Processor

82945G

GMCH

Cntrl

SDRAM

XMM1

Ch A

DIMM

Ch A

DIMM

Ch B

DIMM

Ch B

DIMM

XMM3

XMM4

XMM2 [1]

FSB I/F

Note:

[1] SFF, ST, and CMT models only.