Microsoft KB Archive/260544

= IEEE 1394 Driver Does Not Function Properly in PAE Environment =

Article ID: 260544

Article Last Modified on 2/28/2007

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q260544





SYMPTOMS
The IEEE 1394 driver (Msdv.sys) in Windows 2000 does not function properly in computer with more than 4 gigabytes (GB) of RAM that have Physical Address Extensions (PAE) enabled.



CAUSE
The Msdv.sys driver is unable to allocate the required memory resources in a PAE environment.



RESOLUTION
Disable PAE, or move the 1394 device to another computer that has less than 4 GB of RAM. To disable PAE:
 * 1) Using Windows Explorer, right-click the C:\Boot.ini file (where C: is the location of your system files), click Properties, click to clear the Read-Only check box if it is selected, and then click OK.
 * 2) Double-click the C:\Boot.ini file to open it with Notepad or the default text editor.
 * 3) Scan the Boot.ini file for the /PAE switch. Remove the switch from the line that is used to boot the computer.
 * 4) Save and then close the Boot.ini file.
 * 5) Restart your computer.



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



MORE INFORMATION
PAE mode allows support for 8 GB of memory in Windows 2000 Advanced Server

Keywords: kbprb KB260544

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