"STOP:0xD1" Error Message When You Start Your Windows XP-Based Computer (316208)


The information in this article applies to:

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
This article was previously published under Q316208

SYMPTOMS

When you start your computer, you may receive the following error message:
STOP:0xD1 (DRIVER_IRQL_NOT_LESS_OR_EQUAL)

CAUSE

This behavior occurs if more then one Mylex RAID controller that is supported by the Dac2w2k.sys driver is installed on the computer. This error could appear either during or after the operating system installation.

RESOLUTION

To resolve this behavior, contact Mylex Corporation for an updated driver (Dac2w2k.sys) that resolves this behavior.

MORE INFORMATION

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.

For information about how to contact Mylex Corporation, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and Software Third-Party Vendor Contact List, A-K

60781 Hardware and Software Third-Party Vendor Contact List, L-P

60782 Hardware and Software Third-Party Vendor Contact List, Q-Z

Modification Type:MinorLast Reviewed:11/5/2003
Keywords:kbenv kberrmsg kbprb KB316208
©2003 Microsoft Corporation. All rights reserved.