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Intel® 631xESB/632xESB I/O Controller Hub Datasheet. This specification is intended for Original Equipment Manufacturers designing and building Intel®
631xESB/632xESB I/O Controller Hub-based products. Functions and capabilities include: • Enterprise South Bridge Interface (ESI) and PCI
Express X8 upstream ports to Memory Controller Hub (MCH) • PCI Express* Specification, Revision 1.0a-compliant • PCI Protocol Addendum and PCI Electrical
and Mechanical Addendum to the PCI Local Bus Specification, Revision 2.0a-compliant • PCI Local Bus Specification, Revision 2.3-compliant with support for 33
MHz PCI operations • ACPI power management logic support • Enhanced DMA controller, interrupt controller, and timer
functions • Integrated serial ATA host controller with independent DMA operation on six ports and AHCI support • Integrated IDE controller supports Ultra
ATA100/66/33 • USB host interface with support for eight USB ports; four UHCI host controllers; one EHCI high-speed USB 2.0 Host controller Intel®
631xESB/632xESB I/O Controller Hub Datasheet 41 Introduction • Dual Gigabit MAC with Kumeran interface to dual-PHY component • PICMG-compliant Serdes
backplane Gigabit Ethernet support • Integrated Board Management Controller with basic ROM firmware, expandability through external flash and RAM memories
• System Management Bus (SMBus) Specification, Version 2.0-compliant with additional support for I2C* devices • Audio interface (AC’97 and Intel® High
Definition Audio) • Low Pin Count (LPC) interface • Firmware Hub (FWH) interface supportThe Intel® 631xESB/632xESB I/O Controller Hub incorporates a
variety of PCI functions that are divided into several logical devices (Bm:D0, B0:D28, B0:D29, B0:D30, B0:D31, Bn:D0, Bp:D0, Bp:D1 and Bp:D3). Provides drawings of the physical dimensions and
characteristics of the 641-mBGA package.
Read the full Intel® 631xESB/632xESB I/O Controller Hub Datasheet.
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