Hard Disk Interfaces and Configuration 
Describes the different major interface standards currently used by hard disks (and other devices). Provides sections about the IDE/ATA and SCSI interfaces. This page is from "The PC Guide."
Integrated Drive Electronics / AT Attachment (IDE/ATA) Interface 
Describes IDE/ATA standards and feature sets, transfer modes and protocols, and configuration and cabling. This page is from "The PC Guide."
Hard Disk BIOS and Capacity Factors
Describes issues related to how the BIOS and operating system interact with the hard disk, and BIOS-related issues and problems. Includes a full look at the many capacity limitations inherent in using IDE/ATA interface drives, and other BIOS restrictions on hard disk capacity. This page is from "The PC Guide."
IDE Device Setup / Autodetection
Describes the BIOS settings that control the setup of IDE/ATA devices (particularly hard disk drives). This page is from "The PC Guide".
Integrated Drive Electronics / AT Attachment Interface
Describes IDE/ATA standards and features, transfer modes and protocols, and configuration and cabling. This page is from "The PC Guide."