3

Processor/Memory Subsystem

3.1Introduction

This systems support the Intel Pentium and Core processor families and use the Q45 chipset (Figure 3-1). These systems support PC3-6400, PC3-8500, and PC3-10600 memory modules. This chapter describes the processor/memory subsystem.

Intel

Processor

XMM1

XMM2 [1]

DIMM

or DIMM

FSB I/F

 

 

 

 

SODIMM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Intel

 

 

 

Channel A

 

 

 

 

 

DDR3

 

 

 

 

 

 

 

 

Q45

 

 

 

 

 

 

 

 

 

 

 

SDRAM

 

 

 

 

 

 

 

 

 

 

 

GMCH

 

 

Channel B

 

 

 

 

Cntrl

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIMM

 

DIMM

 

 

 

 

or

 

 

 

 

 

 

 

SODIMM

 

 

 

Note:

 

 

 

 

 

 

XMM3

 

XMM4 [1]

 

[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

www.hp.com

3-1