Technical Reference Guide www.hp.com 3-1
3
Processor/Memory Subsystem
3.1 Introduction
This chapter describes the processor/memory subsystem. These systems include an Intel Celeron
D, Pentium 4, Pentium D, or Core 2 Duo processor and the Q965 chipset (Figure 3-1). These
models support PC2-6400 and PC2-5300 DDR2 DIMMs.
Figure 3-1. Processor/Memory Subsystem Architecture
This chapter includes the following topics:
■ Intel Pentium processor (3.2)
■ Memory subsystem (3.3)
Pentium
Processor
Q965
GMCH
Cntrl
SDRAM
XMM1
Ch A
DIMM
Ch A
DIMM
Ch B
DIMM
Ch B
DIMM
XMM3
XMM4 [1]
XMM2
FSB I/F
Note:
[1] Not present on USDT form factor.
Intel
Intel