This article was previously published under Q269555
This article has been archived. It is offered "as is" and will no longer be updated.
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 theMicrosoft 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.