Processor/Memory Subsystem; Introduction - HP Compaq dc7900 USDT Technical Reference Manual

3.1

Introduction

This systems support the Intel Pentium and Core processor families and use the Q45 chipset
(Figure 3-1). These systems support PC2-6400 and PC2-5300 DDR2 memory modules. This
chapter describes the processor/memory subsystem.
Note:
[1] Not present on USDT form factor.
Figure 3-1. Processor/Memory Subsystem Architecture
This chapter includes the following topics:
■
Intel processor (3.2)
■
Memory subsystem (3.3)
Technical Reference Guide

Processor/Memory Subsystem

Intel
Processor
FSB I/F
Channel A
Intel
SDRAM
Q45
Channel B
GMCH Cntrl
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XMM1 XMM2 [1]
DIMM
or
DIMM
SODIMM
DIMM
DIMM
or
SODIMM
XMM3
XMM4 [1]
3
3-1