Updating the ohci1394.sys Firewire Host Controller System Driver...

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Updating the ohci1394.sys Firewire Host Controller System Driver...


Updating the ohci1394.sys Firewire Host Controller System Driver for Windows XP

  System Dependencies
  Minimum PowerSDR Version:     N/A 
  Applicable Hardware:     N/A 

Content provided by: FlexRadio Systems Engineering

The ohci1394.sys is the Windows XP system device driver for OHCI (open host controller interface) compliant Firewire host controllers. This driver is the software interface between your Firewire hardware and the Windows XP operating system.

Microsoft has issued several updates that can only be installed using their "hotfix" process. Below are the URLs to the Microsoft Knowledge Base articles describing the problem or condition and where to get the updates to resolve the aforementioned issues.

WARNING!! - These updates can result in an unstable or inoperable system. FlexRadio Systems makes no guarantee or takes any responsibility for these hotfixes or any problems that may result if applied.

!!! USE AT YOUR OWN RISK !!!

Performance of 1394 devices may decrease after you install Windows XP Service Pack 2:
http://support.microsoft.com/?kbid=885222 ohci1394.sys version: 5.1.2600.2549


Performance of 800 Mbit, 1394 devices may decrease after you install Windows XP Service Pack 3:
http://support.microsoft.com/?kbid=955408 ohci1394.sys version: 5.1.2600.3311
This particularly important if your device is a 800 Mbit capable device, 400 Mbit speed will default to 100 Mbit instead.



This KB article may reference additional files that are available on the FlexRadio Systems web site Downloads page. Please use the URL(s) below to download the referenced materials.

An Adobe Acrobat Reader may be required to open the file. You can download Adobe Acrobat from here.

KB Source Document(s):

None Referenced



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Last Modified:Sunday, July 24, 2011
Last Modified By: Administrator
Type: FIX
Rated 3 stars based on 1 vote
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