82801AB (ICH0) I/O Controller Hub

Introduction The ICH is a highly integrated multifunctional I/O Controller Hub that provides the interface to the PCI Bus and integrates many of the functions needed in today’s PC platforms. The ICH communicates with the host controller over a dedicated hub interface. There are two versions of th

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Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

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 Controlle

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I/O Controller Hub 3-S (ICH3-S)

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Intel 82801DB I/O Controller Hub 4 (ICH4)

I/O Controller Hub 4 (ICH4) Intel? 82801DB ICH4 Features ■ PCI Bus Interface — Supports PCI Revision 2.2 Specification at 33 MHz — 133 MB/sec maximum throughput — Supports up to six master devices on PCI — One PCI REQ/GNT pair can be given higher arbitration priority (intende

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