Microsoft KB Archive/319197

= INFO: Windows Does Not Support 1394 Bridging =

Article ID: 319197

Article Last Modified on 12/1/2007

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APPLIES TO


 * Microsoft Win32 Device Driver Kit for Windows 2000
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Professional x64 Edition
 * Microsoft Windows XP Driver Development Kit
 * Microsoft Windows XP Embedded
 * Microsoft Windows XP Home Edition
 * Microsoft Windows 2000 Standard Edition
 * Microsoft Windows Millennium Edition
 * Microsoft Windows 98 Second Edition
 * Microsoft Windows 98 Standard Edition

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This article was previously published under Q319197



SUMMARY
These Microsoft Windows products do not support 1394 bridging.



MORE INFORMATION
The IEEE 1394 driver stack (for example, the Ohci1394.sys and 1394bus.sys drivers) does not currently support 1394 bridge devices or bridging between multiple 1394 buses.

The IEEE 1394-1995 specification defines that the local bus ID is 0x3FF, therefore, all local bus operations use the bus number 0x3FF.

In a hardware configuration where multiple 1394 buses are joined (also known as bridged), Microsoft does not guarantee that 1394 devices attached to either side of the bridge will behave the same as devices attached on the local 1394 bus. This feature is under review and will be considered for inclusion in a future release.

Keywords: kbinfo KB319197

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