HP dc7800 manual Processor/Memory Subsystem

3

Processor/Memory Subsystem

3.1Introduction

This chapter describes the processor/memory subsystem. These systems support the Intel Pentium and Core processor families and use the Q35 chipset (Figure 3-1). These systems support PC2-6400 and PC2-5300 DDR2 memory modules.

Intel

Processor

FSB I/F
Intel
Q35	SDRAM
GMCH	Cntrl

Note:

[1] Not present on USDT form factor.

XMM1	XMM2 [1]
DIMM
or	DIMM

SODIMM

Channel A

Channel B

DIMM	DIMM
or
SODIMM
XMM3	XMM4 [1]

Figure 3-1. Processor/Memory Subsystem Architecture

This chapter includes the following topics:

■Intel Pentium processor (3.2)

■Memory subsystem (3.3)

Technical Reference Guide www.hp.com 3-1