Overview

The ICH2 provides extensive I/O support. Functions and capabilities include:

• PCI Rev 2.2 compliant with support for 33 MHz PCI operations.

• PCI slots (supports up to 6 Req/Gnt pairs)

• ACPI Power Management Logic Support

• Enhanced DMA Controller, Interrupt Controller, and Timer Functions

• Integrated IDE controller supports Ultra ATA100/66/33)

• USB host interface with support for 4 USB ports; 2 host controllers

• Integrated LAN Controller

• System Management Bus (SMBus) with additional support for I2C devices

• AC’97 2.1 Compliant Link for Audio and Telephony codecs (up to 6 channels)

• Low Pin Count (LPC) interface

• Firmware Hub (FWH) interface support

• Alert On LAN* (AOL) and Alert On LAN 2 (AOL2)*