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Intel® 82801BA ICH-2 and Intel® 82801BAM ICH2-M DatasheetIntel® 82801BA I/O Controller Hub 2 (ICH2) and Intel® 82801BAM I/O Controller Hub 2 Mobile (ICH2-M) Datasheet, October 2000 The Intel® 82801BA ICH2 and Intel® 82801BAM ICH2-M are a highly integrated multifunctional I/O Controller Hubs that provide the interface to the PCI Bus and integrate many of the functions needed in today’s PC platforms. The 82801BA is intended for desktop applications and the 82801BAM is intended for mobile applications. This datasheet provides a detailed description of the 82801BA and 82801BAM functions and capabilities including, signals, registers, on-chip functional units, interfaces, pinout, packaging, electrical characteristics, and testability. Unless otherwise specified, all non-shaded areas describe the functionality of both components. In the non-shaded areas, the term ICH2 refers to both the 82801BA and 82801BAM components. 1.1 About this DocumentThis datasheet is intended for Original Equipment Manufacturers and BIOS vendors creating ICH2-based products. This document assumes a working knowledge of the vocabulary and principles of USB, IDE, AC’97, SMBus, PCI, ACPI, LAN, and LPC. Although some details of these features are described within this document, refer to the individual industry specifications listed in Table 1-1 for the complete details.Read the full Intel® 82801BA ICH-2 and Intel® 82801BAM CH2-M Datasheet.