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Technical Reference Guide www.hp.com 3-1
3
Processor/Memory Subsystem
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.
Figure 3-1. Processor/Memory Subsystem Architecture
This chapter includes the following topics:
■ Intel processor (3.2)
■ Memory subsystem (3.3)
Processor
Q45
GMCH
Cntrl
SDRAM
XMM1
Channel A
DIMM
DIMM
DIMM
DIMM
XMM3
XMM4 [1]
XMM2 [1]
FSB I/F
Note:
[1] Not present on USDT form factor.
Intel
Intel
Channel B
or
SODIMM
or
SODIMM