Platform Controller Hub (PCH) 

Features

? Direct Media Interface

 10 Gb/s each direction, full duplex

 Transparent to software

? PCI Express*

 NEW: 8 PCI Express root ports

 NEW: PCI Express 2.0 specification running at 

2.5 GT/s.

 NEW: Ports 1–4 or Ports 5–8 can independently 

be configured to support four x1s, two x2s, one 

x2 and 2 x1s, or one x4 port widths.

 Support for full 2.5 Gb/s bandwidth in each 

direction per x1 lane

 Module based Hot-Plug supported (such as, 

ExpressCard*)

? PCI Bus Interface

 Supports PCI Rev 2.3 Specification at 33 MHz

 Four available PCI REQ/GNT pairs

 Support for 64-bit addressing on PCI using DAC 

protocol

? Integrated Serial ATA Host Controller

 Up to six SATA ports

 Data transfer rates up to 3.0 Gb/s 

(300 MB/s).

 Integrated AHCI controller 

? External SATA support

 NEW: Port Disable Capability

? Intel® Rapid Storage Technology

 Configures the PCH SATA controller as a RAID 

controller supporting RAID 0/1/5/10

? Intel®

 High Definition Audio Interface

 PCI Express endpoint

 Independent Bus Master logic for eight general 

purpose streams: four input and four output

 Support four external Codecs

 Supports variable length stream slots

 Supports multichannel, 32-bit sample depth, 

192 kHz sample rate output

 Provides mic array support

 Allows for non-48 kHz sampling output

 Support for ACPI Device States

 Low  Voltage  Mode 

? Intel®

 Quiet System Technology

 Four TACH signals and Four PWM signals

? Simple Serial Transport (SST) 1.0 Bus and Platform 

Environmental Control Interface (PECI)

? USB 2.0

 Two EHCI Host Controllers, supporting up to 

fourteen external ports

 Per-Port-Disable Capability

 Includes up to two USB 2.0 High-speed Debug 

Ports

 Supports wake-up from sleeping states S1–S4

 Supports legacy Keyboard/Mouse software

? Integrated Gigabit LAN Controller

 NEW: PCI Express* connection

 Integrated ASF Management Controller

 Network security with System Defense

 Supports IEEE 802.3 

 10/100/1000 Mbps Ethernet Support

 Jumbo Frame Support

? Intel® Active Management Technology with System 

Defense

 NEW: Network Outbreak Containment Heuristics

? Intel®

 I/O Virtualization (VT-d) Support

? Intel® Trusted Execution Technology Support

? Power Management Logic

 Supports ACPI 4.0a

 ACPI-defined power states (system level S0, S1, 

S3, S4, and S5 states, various internal device 

levels of Dx states, and processor driven C 

states)

 ACPI Power Management Timer

 SMI#  generation

 All registers readable/restorable for proper 

resume from 0 V suspend states

 Support for A-based legacy power management 

for non-ACPI implementations

? External Glue Integration

Integrated Pull-up, Pull-down and Series 

Termination resistors on processor interface

 Integrated Pull-down and Series resistors on USB

? Enhanced DMA Controller

 Two cascaded 8237 DMA controllers

 Supports LPC DMA

 

 

 

 

 

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