Intel AF82801IBM BGA I/O Controller Hub 9 (Intel ICH9) Southbridge

The ICH9 provides extensive I/O support. Functions and capabilities include: • PCI Express* Base Specification, Revision 1.1 support • 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 3.0b • Enhanced DMA controller, interrupt controller, and timer functions • Integrated Serial ATA host controllers with independent DMA operation on up to six ports (Desktop only) or four ports (Mobile only) and AHCI support. • USB host interface with support for up to twelve USB ports; six UHCI host controllers; two EHCI high-speed USB 2.0 Host controllers • Integrated 10/100/1000 Gigabit Ethernet MAC with System Defense • System Management Bus (SMBus) Specification, Version 2.0 with additional support for I2C devices • Supports Intel® High Definition Audio • Supports Intel® Matrix Storage Technology (Intel® ICH9R, ICH9DH, ICH9DO,ICH9M, and ICH9M-E Only) • Supports Intel® Active Management Technology (Digital Office only) • Supports Intel® Virtualization Technology for Directed I/O • Supports Intel® Trusted Execution Technology • Low Pin Count (LPC) interface • Firmware Hub (FWH) interface support • Serial Peripheral Interface (SPI) support • Intel® Quiet System Technology (Desktop Only) • Integrated TPM 1.2 (Mobile Only)