SidSpeed Warning message from FLEX Firewire driver
Content provided by: FlexRadio Systems Engineering
The FLEX Firewire driver, version 3.5.0.7171 and above has a Firewire chipset applet that will identify possible configuration and or Firewire card incompatibilities with the FLEX Firewire driver.
Error Condition:
If you are using Windows XP with Service Pack 3 loaded, you may receive the following warning if you do not have MS Hot Fix # 955408 loaded on your system:
SidSpeed: ** Warning ** SidSpeed registry entry is missing or illegal.
1394 devices may not work, or may have limited channel count.
This is a warning message and will not prevent you from using your Firewire based FlexRadio Systems SDR. It is recommended that you revolve the issue so that you are operating the Firewire host controller at it maximum performance level.
Resolution:
For XP SP3 users, obtain Hot Fix # 955408 from Microsoft and install it on your system as per the Hot Fix instructions. A reboot will be required after the installation of the Hot Fix. http://support.microsoft.com/?kbid=955408
For XP SP2 users, obtain Hot Fix # 885222 from Microsoft and install it on your system as per the Hot Fix instructions. A reboot will be required after the installation of the Hot Fix. http://support.microsoft.com/?kbid=885222
Even though the Hot Fix refers to 1394b adapters, it is applicable to 1394a adapters as well and should be loaded.
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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| System Dependencies | |
| Minimum PowerSDR Version: | N/A |
| Applicable Hardware: | FLEX-5000 and FLEX-3000; |
Content provided by: FlexRadio Systems Engineering
The FLEX Firewire driver, version 3.5.0.7171 and above has a Firewire chipset applet that will identify possible configuration and or Firewire card incompatibilities with the FLEX Firewire driver.
Error Condition:
If you are using Windows XP with Service Pack 3 loaded, you may receive the following warning if you do not have MS Hot Fix # 955408 loaded on your system:
SidSpeed: ** Warning ** SidSpeed registry entry is missing or illegal.
1394 devices may not work, or may have limited channel count.
This is a warning message and will not prevent you from using your Firewire based FlexRadio Systems SDR. It is recommended that you revolve the issue so that you are operating the Firewire host controller at it maximum performance level.
Resolution:
For XP SP3 users, obtain Hot Fix # 955408 from Microsoft and install it on your system as per the Hot Fix instructions. A reboot will be required after the installation of the Hot Fix. http://support.microsoft.com/?kbid=955408
For XP SP2 users, obtain Hot Fix # 885222 from Microsoft and install it on your system as per the Hot Fix instructions. A reboot will be required after the installation of the Hot Fix. http://support.microsoft.com/?kbid=885222
Even though the Hot Fix refers to 1394b adapters, it is applicable to 1394a adapters as well and should be loaded.
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
