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48-Bit LBA Support for ATAPI Disk Drives in Windows 2000
Article ID: 305098 - View products that this article applies to.
This article was previously published under Q305098
NoticeThis article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000)is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy
Windows 2000 Service Pack 2 (SP2) and earlier versions of Windows 2000 do not support 48-bit Logical Block Addressing (LBA) as defined in the ATA/ATAPI 6.0 specification.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910The English-language version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Date Time Version Size File name -------------------------------------------------------- 10/19/2001 01:42 PM 5.0.2195.4529 86,768 Atapi.sys 04/19/2002 05:43 PM 214,938 Update.inf
The following conditions are necessary for the correct functioning of 48-bit LBA ATAPI support:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.Important Although support for 48-bit LBA is included in Windows 2000 Service Pack 3 (SP3) and later, it is still necessary to create the registry change that is described in the "Resolution" section of this article.
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173For additional information about how to install multiple hotfixes with only one reboot, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/265173/EN-US/ )The Datacenter Program and Windows 2000 Datacenter Server Product
296861For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/296861/EN-US/ )How to Install Multiple Windows Updates or Hotfixes with Only One Reboot
(http://support.microsoft.com/kb/249149/EN-US/ )Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
Article ID: 305098 - Last Review: February 22, 2007 - Revision: 7.6