HP dc7900, Dc7900 KP721AV Processor/Memory Subsystem, 3.1Introduction

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 PC2-6400 and PC2-5300 DDR2 memory modules. This chapter describes the processor/memory subsystem.

Intel

Processor

FSB I/F

Intel

Q45 SDRAM

GMCH Cntrl

Note:

[1] Not present on USDT form factor.

XMM1 XMM2 [1]

DIMM

or DIMM SODIMM

Channel A

Channel B

DIMM

or DIMM SODIMM

XMM3 XMM4 [1]

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