2-4 www.hp.com Technical Reference Guide
System Overview
2.3 System Architecture
The systems covered in this guide feature an architecture based on the Intel Core i5 processor
and the Intel Q57 Platform Controller Hub (PCH) shown in Figure 2-2. All systems covered in
this guide include the following key components:
■ Intel Pentium Dual-Core G6950, Core i3, Core i5, or Core i7 processor.
■ Intel Q57 PCH-DO chipset
■ Super I/O (SIO) controller supporting PS/2 keyboard and mouse peripherals
■ ALC261 audio controller supporting line in, line out, microphone in, and headphones out
■ Intel 82567LM GbE network interface controller
■ HP ProtectTools Embedded Security
The Q57 PCH provides a major portion of system functionality. Designed to complement the
latest Intel processors, the Q57 PCH communicates with the processor through a
800/1066/1333-MHz Front-Side Bus (FSB). The integrated graphics controller of the Q57 can be
upgraded through a PCI Express (PCIe) x16 graphics slot. All systems include a serial ATA
(SATA) hard drive in the standard configuration.
Table 2-2 lists the differences between models by form factor.
Notes:
[1] Low-profile slot.
Table 2-2.
Architectural Differences by Form Factor
Function SFF CMT
Memory sockets 4 UDIMMs 4 UDIMMs
PCIe 2.0 x16 graphics slots 1 [1] 1
PCIe x4 (x16 connector) slots 0 1
# of PCIe 2.0 x1 slots 1 [1] 1
# of PCI 2.3 slots 1 [1] 3
SATA interfaces 4 5
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