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Technical Reference Guide 361834-002 3-1
3
Processor/Memory Subsystem
3.1 Introduction
This chapter describes the processor/memory subsystem. These systems feature the Intel
Pentium 4 processor and the 915G chipset (Figure 3-1). The dx6100 and dc7100 models support
PC2700 or PC3200 DDR memory and come standard with PC3200 DIMMs installed. The
dx6120 models support PC2-4300 DDR2 DIMMs only.
Figure 3-1. Processor/Memory Subsystem Architecture
This chapter includes the following topics:
■ Pentium 4 processor (3.2), page 3-2
■ Memory subsystem (3.3), page 3-4
Pentium 4
Processor
82915G
GMCH
Cntrl
SDRAM
XMM1
Ch A
DIMM
Ch A
DIMM
Ch B
DIMM
Ch B
DIMM
XMM3
XMM4
XMM2 [1]
FSB I/F
Note:
[1] SFF, ST, MT, and CMT models only.