Western Digital T13/2132-D manual Document Status, New Capabilities added to EDD-4

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June 23, 2010

T13/2132-D Revision 3

Document Status

The text which is highlighted in green may affect backward compatibility.

			Revision History
Rev	Date		Description
0	January 21, 2009	1)	Used ACS-2r1 as the template for this first draft.
		2)	Populated this template with d1572r3.doc (EDD-3)
		3)	Used ACSC-2 definitions for byte, word, DWord, and QWord since
			ACS-2 has a complete set of conventions.
		4)	Incorporated Erratum
		5)	Added editors notes where there were issues were found during
			conversion.

1	July 29, 2009	1)	Integrated e08134r1. This changes the definition of the device path.
			Added definitions of both SATA and PATA to definition of terms. Defini-
			tions were taken from ACS-2 verbatim.
		2)	Integrated e09103r1. This obsoletes Read Long, Write Long, Seek,
			Extended Seek, and Recalibrate.
		3)	Integrated e09102r3. This adds a Trusted Computing BIOS function
2	June 22, 2010	1)	Incorporated e09136r0 - EDD-4r1 Updates from 30-Jul telecon and
			19-Aug plenary.
		2)	Performed a spell check
		3)	Normalized periods to followed by 2 spaces.
		4)	Incorporate e09127r3

3	June 23, 2010	1)	Corrected links that were not hot
		2)	Removed cut and paste artifacts from 2 notes in Annex A

New Capabilities added to EDD-4

		Integrated Proposal List
#	Doc	Description
1	e08134r1	Updates SATA path definition

2	e09103r1	Obsoletes Read Long, Write Long, Seek, Extended Seek, and Recalibrate

3	e09102r3	Adds a Trusted Computing INT 13h BIOS function

4	e09127r3	Adds an Annex describing peaceful coexistence of MBR and GPT

Working Draft Enhanced Disk Drive - 4 (EDD-4)

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Contents Revision June 23 Information technology Enhanced Disk Drive 4 EDD-4Working Draft Enhanced Disk Drive 4 EDD-4 Points of ContactT13/2132-D Revision 3June 23 June 23 T13/2132-D Revision DraftT13/2132-D Revision June 23 American National StandardNew Capabilities added to EDD-4 Document StatusContents Working Draft Enhanced Disk Drive 4 EDD-4 Vii Viii Working Draft Enhanced Disk Drive 4 EDD-4 Output Parameters TablesFigures Introduction ForewordXii Working Draft Enhanced Disk Drive 4 EDD-4 American National Standard for Information Technology ScopeBSR Incits ATA8-APT ATA8-AST Approved Ansi References Name Normative references GeneralApproved references References Under Development Name Project Number References under developmentOther references June 23 T13/2132-D Revision Master Boot Record MBR The first LBA on a disk Symbols and abbreviationsConventions Abbreviation MeaningLists Lists overview PrecedenceUnordered lists Ordered listsNumbering T13/2132-D Revision June 23 KeywordsInterrupt Services and Functions Register and CF ContentsNumbering conventions French English This standard Bit conventionsWord at offset n ByteDWord at word offset n QWord at word offset nATA firmware revision example ATA string byte swapping Word Byte Character in stringWord Byte ValueOverview Conventional Register Definitions 8GB INT 13h Functions Conventional FunctionsRegister Description Bit DescriptionConventional Function Definitions Function a Description Data Structure 8GB INT 13h Functions OverviewExtended Function Definitions Function DescriptionT13/2132-D Revision June 23 Device Address Packet Offset Fixed Disk Access Function Code Fixed Disk Access SubsetRemovable Media INT 13h Interface SubsetsEDD Support Function Code Locking and Ejecting Function CodeEnhanced Disk Drive EDD Support Subset ISO 9660 CD Layout Working Draft Enhanced Disk Drive 4 EDD-4 CD/DVD Boot OverviewSystem Area Unused Emulation Process Boot MethodsFloppy Boot No Emulation BootHard Drive Boot Floppy Geometries Type Cylinders Heads SectorsCD/DVD Format Boot Volume Descriptor BVDBoot Volume Descriptor Offset Type Description T13/2132-D Revision June 23 Validation EntrySection Header June 23 T13/2132-D Revision Initial/Default Entry00h Byte Header ID Type Description June 23 T13/2132-D Revision Section EntryT13/2132-D Revision June 23 Section Entry Extension INT 13h Function Definitions Overview Reset Disk Subsystem FN 00h Get Status of Last Operation FN 01h Read Sectors into Memory FN 02h Write Sectors From Memory FN 03h Verify Sectors FN 04h Get Drive Parameters FN 08h Read Buffer FN 0Eh Write Buffer FN 0Fh Value Description Get Disk Type FN 15hSet Media Type FN 18h Park Heads FN 19h Identify Device Information FN 25h Interface Support Bit Map Description Check Extensions Present FN 41hExtended Read FN 42h Extended Write FN 43h Verify Sectors FN 44h Lock/Unlock Media FN 45h Eject Removable Media FN 46h Result Buffer Get Device Parameters FN 48hAscii Interface Path Definitions part 1 Host Bus Type Offset T13/2132-D Revision June 23 Interface PathDevice Path Definition00h ATA Device 01h 02h..FFh Reserved Byte Word DWord QWord Byte Port number Device parameter table extension Offset 7 READ/WRITE Multiple command block count Offset 5 Bios use only Bios use only Offset 6 IRQ numberOffset 0-1 I/O port base Offset 2-3 control port baseBit 7 32-bit transfer mode Offset 10-11 Bios selected hardware specific option flagsBit 8 Atapi device uses command packet interrupt Offset 9 PIO typeJune 23 T13/2132-D Revision Bits 9-10 translation type Bit 13h 48-bit LBA addressing enabledTranslation Type Bits Description Bit 11 Ultra DMAGet Extended Media Change Status FN 49h Initiate Disk Emulation FN 4Ah Value Emulation Working Draft Enhanced Disk Drive 4 EDD-4 Terminate Disk Emulation FN 4Bh Initiate Disk Emulation & Boot FN 4Ch CD Command Packet Return Boot Catalog FN 4DhHardware Configuration Sub-Functions Set Hardware Configuration FN 4EhFormatted Command Packet Offset Type Description Send Packet Command FN 50hFormatted Protocol Specific Data T13/2132-D Revision June 23 Output Parameters Security Protocol Commands FN 51h INT 15h Removable Media Eject Annex a Hybrid MBR boot Hybrid MBR boot overviewGPT support for hybrid MBR boot code Hybrid MBR boot code EAX Hybrid MBR boot code endeavor procedureHybrid VBR boot code