ANSI INCITS 363 : 2002

Foreword
Introduction
1 Scope
2 Normative References
  2.1 Approved References
  2.2 References Under Development
  2.3 Other References
3 Keywords, Definitions, Abbreviations, and Conventions
  3.1 Keywords
  3.2 Definitions and Abbreviations
  3.3 Conventions
4 Overview
5 INT 13h Calling Conventions
  5.1 Data Structure
  5.2 Removable Media
  5.3 INT 13h Interface Subsets
6 INT 13h Function Definitions
  6.1 Check Extensions Present
  6.2 Extended Read
  6.3 Extended Write
  6.4 Verify Sectors
  6.5 Lock/Unlock Media
  6.6 Eject Removable Media
  6.7 Extended Seek
  6.8 Get Device Parameters
  6.9 Get Extended Media Change Status
  6.10 Set Hardware Configuration
  6.11 Send Packet Command
7 INT 15h Removable Media Eject

Specifies in detail BIOS functions and data structures that are used as an abstraction layer to allow higher level applications to access mass storage devices in an interface and command-set independent manner.