SCSI Device May Stop Responding in Windows 2000

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Article ID: 821394 - View products that this article applies to.
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SYMPTOMS

In Windows 2000, when you start a program that uses a small computer system interface (SCSI) peripheral device (for example, a Hewlett Packard ScanJet 5P scanner), the program may stop responding (hang).

CAUSE

This problem may occur when you use a SCSI adapter that contains the Advansys 3550 chipset (Advansys 3550 Ultra Wide SCSI Host Adapter) and you install the driver for the SCSI host adapter (Asc3550.sys) from the Windows 2000 CD-ROM. The Asc3550.sys driver may not correctly report the SCSI request blocks (SRB) status to the class driver.

RESOLUTION

Hotfix Information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version        Size    File name
   ------------------------------------------------------
   15-May-2003  21:00  5.0.2195.6695  14,576  Asc3550.sys

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

If the hotfix that is described in this article does not resolve this problem, contact the vendor of the SCSI device for a driver update. For information about how to contact the vendor, visit the following Microsoft Web site:
http://support.microsoft.com/gp/vendors
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. For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New Naming Schema for Microsoft Windows Hotfix Packages
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.

Properties

Article ID: 821394 - Last Review: June 10, 2008 - Revision: 3.1
APPLIES TO
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server
Keywords: 
kbautohotfix kbhotfixserver kbqfe kbbug kbfix kbqfe kbwin2000presp5fix KB821394

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