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ANSI INCITS TR 21 : 1999

ANSI INCITS TR 21 : 1999

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

INFORMATION TECHNOLOGY - ENHANCED BIOS SERVICES FOR DISK DRIVES

Available format(s)

Hardcopy , PDF

Withdrawn date

07-23-2013

Language(s)

English

Published date

01-01-1999

Publisher

Information Technology Industry Council

Foreword
1 Scope
2 Definitions and abbreviations
  2.1 Enhanced BIOS
  2.2 Enhanced ATA Device
  2.3 Enhanced ATA Channel
  2.4 Conventional vs enhanced
  2.5 Logical Address
  2.6 Physical Address
3 Device Parameter Tables (DPT)
  3.1 Device Parameter Table (DPT) Extensions
  3.2 The 528-megabyte barrier
  3.3 Device capacities greater than 7.9 GB
  3.4 Device Parameter Table (DPT) definitions
  3.5 Device Parameter Table (DPT) Extension
4 BIOS extensions
  4.1 Extended Int 13h calling conventions
  4.2 Int 13h extensions
  4.3 Int 15h removable media eject
5 Compatibility issues
  5.1 Int 41h/46h
  5.2 Disk drive mapping
  5.3 Geometric translations
Tables

Specifies in detail extensions to the BIOS and extensions to the data maintained by the BIOS. The disk-drive industry has increased the capacity and functionality of the ATA-compatible disk drive, finally surpassing the capability of some BIOSs to service these new capabilities.

DocumentType
Standard
Pages
33
PublisherName
Information Technology Industry Council
Status
Withdrawn

ANSI INCITS 347 : 2001 BIOS ENHANCED DISK DRIVE SERVICES (EDD)
ANSI INCITS 361 : 2002 : R2007 : ZIP INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 6 (ATA/ATAPI-6)
ANSI INCITS 340 : 2000 : R2015 INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 5 (ATA/ATAPI-5)
ANSI INCITS 407 : 2005 INFORMATION TECHNOLOGY - BIOS ENHANCED DISK DRIVE SERVICES - 3 (EDD-3)
ANSI INCITS 361 : 2002 : ZIP INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 6 (ATA/ATAPI-6)
ANSI INCITS 363 : 2002 INFORMATION TECHNOLOGY - BIOS ENHANCED DISK DRIVE SERVICES 2 (EDD-2)
ANSI INCITS 340 : 2000 INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 5 (ATA/ATAPI-5)
ANSI INCITS 361 : 2002 : R2012 : ZIP INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 6 (ATA/ATAPI-6)
ANSI INCITS 361 : 2002 INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 6 (ATA/ATAPI-6)
ANSI INCITS 340 : 2000 : R2005 INFORMATION TECHNOLOGY - AT ATTACHMENT WITH PACKET INTERFACE - 5 (ATA/ATAPI-5)
ANSI INCITS 407 : 2005 : R2015 INFORMATION TECHNOLOGY - BIOS ENHANCED DISK DRIVE SERVICES - 3 (EDD-3)

ANSI INCITS 279 : 1996 INFORMATION TECHNOLOGY - AT ATTACHMENT INTERFACE WITH EXTENSIONS (ATA-2)
ANSI INCITS 298 : 1997 INFORMATION TECHNOLOGY - AT ATTACHMENT-3 INTERFACE (ATA-3)
ANSI INCITS 221 : 1994 INFORMATION SYSTEMS - AT ATTACHMENT INTERFACE FOR DISK DRIVES

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