Reference Guide - Hard Disk Drives  A Brief History of the Hard Disk Drive Construction and Operation of the Hard Disk Drive Hard Disk Geometry and Low-Level Data Structures Hard Disk Performance, Quality and Reliability Hard Disk BIOS and Capacity Factors BIOS and the Hard Disk Role of the BIOS in Hard Disk Access The Int13h Interface Int13h Extensions Direct Disk Access (Bypassing the BIOS) Two and Four Disk BIOS IDE Support IDE/ATA Disk BIOS Settings Hard Disk Size Barriers BIOS Translation Modes Overcoming BIOS Disk Size Barriers Hard Disk Interfaces and Configuration Hard Disk Logical Structures and File Systems Author: Charles M. Kozierok  The BIOS and operating system play an important role in how your hard disk is used. While the BIOS itself has taken more of a "back seat" role to direct access by the operating system over the last few years, it is still there "in the mix" in several ways. This section takes a brief look at the impact of the BIOS on hard disk setup and access. Next: Role of the BIOS in Hard Disk Access

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