Technical Reference Guide
Chapter 3
PROCESSOR/
MEMORY SUBSYSTEM
3. Chapter 3 PROCESSOR/MEMORY SUBSYSTEM
3.1 INTRODUCTION
This chapter describes the processor/memory subsystem. These systems feature the Intel Pentium
4 processor and the 865G chipset (Figure 3-1). These systems support PC2100, PC2700, or
PC3200 SDRAM memory.
Ch. 1 64-Bit
Mem. Bus
Ch. 2 64-Bit
Mem. Bus
64-Bit FSB
Cntl
Ch 2
DIMM
In
Socket
XMM3
Ch 2
DIMM
Socket
XMM4
Ch 1
DIMM
In
Socket
XMM1
Ch 1
DIMM
Socket
XMM2
ST, SFF, DT, MT, CMT
System Memory
Ch 2
DIMM
In
Socket
XMM2
XMM1
Ch 1
DIMM
In
Socket
USDT
System Memory
Hub I/F
Memory
Cntlr.
FSB I/F
82865G
GMCH
AGP
I/F
Pentium 4
Processor
Covered in Chapter 4
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 3-5
♦ Subsystem configuration {3.4] page 3-8
hp compaq d330 and d530 Series Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition - June 2003
3-1