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:
(http://support.microsoft.com/kb/260233/EN-US/ )Support for ATA 100 (Mode 5 ) in Windows 2000
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:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.