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