Introduction
44 Datasheet
1.2 Overview
The PCH provides extensive I/O support. Functions and capabilities include:
• PCI Express* Base Specification, Revision 2.0 support for up to eight ports with
transfers up to 5 GT/s
• PCI Local Bus Specification, Revision 2.3 support for 33 MHz PCI operations
(supports up to four Req/Gnt pairs)
• ACPI Power Management Logic Support, Revision 4.0a
• Enhanced DMA controller, interrupt controller, and timer functions
• Integrated Serial ATA host controllers with independent DMA operation on up to six
ports
• USB host interface with two EHCI high-speed USB 2.0 Host controllers and two rate
matching hubs provide support for up to fourteen USB 2.0 ports
• Integrated 10/100/1000 Gigabit Ethernet MAC with System Defense
• System Management Bus (SMBus) Specification, Version 2.0 with additional
support for I
2
C devices
•Supports Intel
®
High Definition Audio (Intel
®
HD Audio)
•Supports Intel
®
Rapid Storage Technology (Intel
®
RST)
•Supports Intel
®
Virtualization Technology for Directed I/O (Intel
®
VT-d)
•Supports Intel
®
Trusted Execution Technology (Intel
®
TXT)
• Integrated Clock Controller
• Analog and Digital Display ports
—Analog VGA
—HDMI
—DVI
— DisplayPort* 1.1, Embedded DisplayPort
—SDVO
— LVDS (Mobile Only)
• Low Pin Count (LPC) interface
• Firmware Hub (FWH) interface support
• Serial Peripheral Interface (SPI) support
•Intel
®
Anti-Theft Technology (Intel
®
AT)
•JTAG Boundary Scan support
The PCH incorporates a variety of PCI devices and functions separated into logical
devices, as shown in Table 9-1.
Note: Not all functions and capabilities may be available on all SKUs. Please see Section 1.3
for details on SKU feature availability.
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