Intel® 82801EB (ICH5), 82801ER (ICH5R), 82801DB (ICH4), 82801CA (ICH3), 82801BA (ICH2), 82801AA (ICH), and 82801AB (ICH0) IDE Controller Programmer’s Reference Manual

This document assists Independent Hardware Vendors (IHV) in supporting the feature set of the Intel® 8XX I/O Controller Hub (ICH) IDE Controller. General requirements for developing an IDE mini-port driver that utilizes the IDE Interface are described. The information in this document supplements the information provided in the Intel® 82801EB (ICH5), 82801ER (ICH5R), Intel® 82801DB (ICH4), Intel® 82801CA (ICH3), Intel® 82801BA (ICH2), Intel® 82801AA (ICH), and Intel® 82801AB (ICH0) I/O Controller Hub Datasheets, and is intended for IHVs and Intel customers developing their own driver interface.

Functions that BIOS or Operating Systems must perform to ensure correct and reliable operation of the platform are described. Software specifications for the IDE controller, including register information, are outlined. Details regarding the development of an IDE-based driver that is baseline for a production driver already in the marketplace are provided.

In addition, system software requirements for initializing the ICH5, ICH5R, ICH4, ICH3, ICH2, ICH0 and ICH ATA controllers (also known as bus master IDE controllers) are discussed.

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