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Operating System Information
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Windows 7 (32/64-bit)
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How to Revert the Win7 1394ohci.sys to the Legacy Driver
How to Revert the Win7 1394ohci.sys to the Legacy Driver
How to Revert the Win7 1394ohci.sys to the Legacy Driver
How to Revert the Win7 1394ohci.sys to the Legacy Driver
System Dependencies
Minimum
PowerSDR
Version:
N/A
Applicable Hardware:
N/A
Content provided by:
FlexRadio Systems Engineering
The following instructions describe how to revert to the Vista or legacy 1394 Host controller bus driver. This driver is provided for backwards compatibility for
Firewire
device drivers that are not compliant with the new Windows 7 1394ohci.sys driver architecture.
Step 1.
Opening the Windows 7 Device Manager
Click on the
Start
button. Now, type
devmgmt.msc
in the box with the text "
Search Programs and Files
" and press the
<Enter>
key. This will open the Device Manager.
Step 2.
Expand the IEEE 1394 Bus host controllers object so you can see the installed 1349 host controllers
Step 3.
To do this, locate the
Firewire
(1394) controller in the
Device Manager
tree that you will be using with your FLEX-x000
software defined radio
, right click it, and select
Update Driver Software....
This will open the Update Driver Software window.
Step 4.
Now, select the
Browse my computer for driver software (Locate and install driver software manually.)
option. This will advance you to the next window where you will be prompted to browse for driver software on your computer. Read ahead, because you will not be doing any browsing.
Step 5.
Now, beneath the browsing option select
Let me pick from a list of device drivers on my computer (This list will show installed driver software compatible with the device, and all driver software in the same category as the device.).
This will advance you to the next window where you will be prompted to select the device driver you want to install for this hardware.
Step 6.
Now, select the 1394 OHCI Compliant Host controller with the word
Legacy
appended to it and then click
Next
. This will advance you to the next window where the driver will be installed.
Step 7.
When the installation is complete you will advance to the final window where you are informed that Windows has successfully updated your driver software.
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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Details
Last Modified:
Tuesday, June 29, 2010
Last Modified By:
Administrator
Type:
HOWTO
Rated 3 stars based on 25 votes.
Article has been viewed 61,673 times.
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