Device Manager Lists ATA-100 Device Incorrectly as Using PIO Instead of UDMA

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Article ID: 269555 - View products that this article applies to.
This article was previously published under Q269555
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Device Manager may list an ATA-100 device incorrectly as using PIO mode instead of UDMA mode. This is a result of adding support for ATA-100 devices as described in the following Microsoft Knowledge Base article:
260233 Support for ATA 100 (Mode 5 ) in Windows 2000


The user interface was not modified to reflect the correct mode.


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:
260910 How to Obtain the Latest Windows 2000 Service Pack


You can safely ignore the incorrect display.


Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.


Article ID: 269555 - Last Review: October 20, 2013 - Revision: 3.2
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
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