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T13/2132-D Revision 3 June 23, 2010
vi Working Draft Enhanced Disk Drive - 4 (EDD-4)
Contents
Page
Points of Contact....................................................................................................................................................ii
Document Status ...................................................................................................................................................v
New Capabilities added to EDD-4 .........................................................................................................................v
Contents................................................................................................................................................................vi
Tables ...................................................................................................................................................................ix
Figures ...................................................................................................................................................................x
Foreword...............................................................................................................................................................xi
Introduction ...........................................................................................................................................................xi
1 Scope ................................................................................................................................................................. 1
2 Normative references ......................................................................................................................................... 3
2.1 General ..................................................................................................................................................... 3
2.2 Approved references ................................................................................................................................ 3
2.3 References under development ............................................................................................................... 4
2.4 Other references ....................................................................................................................................... 4
3 Definitions, abbreviations, and conventions ....................................................................................................... 5
3.1 Definitions and abbreviations ................................................................................................................... 5
3.2 Symbols and abbreviations ...................................................................................................................... 6
3.3 Conventions .............................................................................................................................................. 6
3.3.1 Overview ......................................................................................................................................... 6
3.3.2 Precedence ..................................................................................................................................... 7
3.3.3 Lists ................................................................................................................................................. 7
3.3.4 Keywords ........................................................................................................................................ 8
3.3.5 Numbering ....................................................................................................................................... 8
3.3.6 Bit conventions ................................................................................................................................ 9
3.3.7 Number range convention ............................................................................................................... 9
3.3.8 Register and CF Contents ............................................................................................................... 9
3.3.9 Interrupt Services and Functions .................................................................................................... 9
3.3.10 Byte, word, DWord, and QWord Relationships ........................................................................... 10
3.3.11 ATA string convention ................................................................................................................. 10
4 Overview .......................................................................................................................................................... 12
5 <8GB INT 13h Functions (Conventional Functions) ........................................................................................ 13
6 >8GB INT 13h Functions ................................................................................................................................. 15
6.1 Overview ................................................................................................................................................. 15
6.2 Data Structure ........................................................................................................................................ 15
6.3 Removable Media ................................................................................................................................... 17
6.4 ...................................................................................................................... INT 13h Interface Subsets 17
6.4.1 Overview ....................................................................................................................................... 17
6.4.2 Fixed Disk Access Subset ............................................................................................................. 17
6.4.3 Device Locking and Ejecting Subset ............................................................................................. 18
6.4.4 Enhanced Disk Drive (EDD) Support Subset ................................................................................ 18