Technical Reference Guide www.hp.com 2-7
System Overview
2.3.2 Chipset
The Intel Q35 Express chipset consists of a Graphics Memory Controller Hub (GMCH) and an
enhanced I/O controller hub (ICH9-DO). Table 2-3 compares the functions provided by the
chipsets.
The I/O controller hub (ICH9-DO) features Intel vPro, which includes Active Management
Technology (AMT). AMT is a hardware/firmware solution that operates on auxiliary power to
allow 24/7 support of network alerting and management of the unit without regard to the power
state or operating system. AMT capabilities include:
■ System asset recovery (hardware and software configuration data)
■ OS-independent system wellness and healing
■ Software (virus) protection/management
Table 2-3
Chipset Components and Functionality
Components Function
Q35 GMCH Intel Graphics Media Accelerator 3100 (integrated graphics controller)
PCIe x16 graphics interface (SFF and CMT only)
SDRAM controller supporting unbuffered, non-ECC PC2-6400 DDR2
DIMMs or SODIMMs
800-, 1066-, or 1333-MHz FSB
82801 ICH9-DO PCI 2.3 bus I/F
PCI Express x1
LPC bus I/F
SMBus I/F
SATA I/F
HD audio interface
RTC/CMOS
IRQ controller
Power management logic
USB 1.1/2.0 controllers supporting 12 ports
(these systems provide 8 external, 2 internal)
Gigabit Ethernet controller
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