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Support for ATA 100 (Mode 5 ) in Windows 2000


The information in this article applies to:
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server


SYMPTOMS

Windows 2000 does not support ATA 100 (Mode 5) for IDE hard disks. All ATA 100 IDE hard disks that are used with Windows 2000 default to ATA 66 (Mode 4).


RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this fix.

To resolve this problem immediately, download the fix as instructed below or contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp
NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The following file is available for download from the Microsoft Download Center:
[GRAPHIC: Download]Download Q260233_w2k_sp2_x86_en.exe now
For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base:
Q119591 How to Obtain Microsoft Support Files from Online Services
Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file.

The English version of this fix should have the following file attributes or later:
   Date        Time    Version         Size    File name
   --------------------------------------------------------
   04/27/2000  04:05p  5.00.2195.2073  85,232  Atapi.sys
   04/27/2000  04:05p  5.00.2195.2073   4,432  Intelide.sys
   04/27/2000  04:05p  5.00.2195.2073   3,088  Pciide.sys
   04/27/2000  04:05p  5.00.2195.2073  21,936  Pciidex.sys 


STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.


MORE INFORMATION

After you install this hotfix, you may notice an incorrect "PIO" value displayed on the Advanced Settings tab for an IDE device in Device Manager. This does not mean that the device is functioning in "PIO" mode. Windows 2000 is displaying an incorrect value.

For 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:

Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words: ata-100 ata-66

Keywords : kbWin2000PreSP2Fix
Issue type : kbbug
Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000S kbwin2000Ssearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro


Last Reviewed: March 12, 2001
© 2001 Microsoft Corporation. All rights reserved. Terms of Use.


Article ID: Q260233

Last Reviewed:
March 12, 2001

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