Microsoft KB Archive/236857

= COM Ports Not Working Using ASUS Motherboard =

Article ID: 236857

Article Last Modified on 2/27/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q236857



SYMPTOMS
After you install Windows 2000, the communications (COM) ports and any devices connected to them do not work. If you check in Device Manager, you may see the COM Ports are missing or displayed with a yellow excalamation mark (!) and a code 10.

If you add the ports manually, you do not correct the issue.



CAUSE
This issue can occur if there is a problem with the BIOS in the computer.



RESOLUTION
To resolve this issue. contact the computer manufacturer regarding a BIOS update. For more information about this issue, please visit the following Asus Web site:

http://www.asus.com.tw

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.



MORE INFORMATION
This is known to occur with the Asus P2B and P2L series motherboards.

NOTE: This may occur on other ACPI-based computers.

Additional query words: P2B P2B-B P2B-F P2B-S P2L-B P2L-M P2L-N P2L97A P2L97-S

Keywords: kb3rdparty kbhardware kbprb KB236857

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